diff --git a/stage0/src/Lean/Elab/PreDefinition/Structural/BRecOn.lean b/stage0/src/Lean/Elab/PreDefinition/Structural/BRecOn.lean
index 2fefbb0f3b..307b47a131 100644
--- a/stage0/src/Lean/Elab/PreDefinition/Structural/BRecOn.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/Structural/BRecOn.lean
@@ -3,6 +3,7 @@ Copyright (c) 2021 Microsoft Corporation. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Leonardo de Moura
 -/
+import Lean.Util.HasConstCache
 import Lean.Meta.Match.Match
 import Lean.Elab.RecAppSyntax
 import Lean.Elab.PreDefinition.Basic
@@ -97,7 +98,11 @@ def refinedArgType (matcherApp : MatcherApp) (arg : Expr) : MetaM Bool := do
         return false
 
 private partial def replaceRecApps (recFnName : Name) (recArgInfo : RecArgInfo) (below : Expr) (e : Expr) : M Expr :=
-  let rec loop (below : Expr) (e : Expr) : M Expr := do
+  let containsRecFn (e : Expr) : StateRefT (HasConstCache recFnName) M Bool :=
+    modifyGet (·.contains e)
+  let rec loop (below : Expr) (e : Expr) : StateRefT (HasConstCache recFnName) M Expr := do
+    if !(← containsRecFn e) then
+      return e
     match e with
     | Expr.lam n d b c =>
       withLocalDecl n c.binderInfo (← loop below d) fun x => do
@@ -115,7 +120,7 @@ private partial def replaceRecApps (recFnName : Name) (recArgInfo : RecArgInfo)
         return mkMData d (← loop below b)
     | Expr.proj n i e _  => return mkProj n i (← loop below e)
     | Expr.app _ _ _ =>
-      let processApp (e : Expr) : M Expr :=
+      let processApp (e : Expr) : StateRefT (HasConstCache recFnName) M Expr :=
         e.withApp fun f args => do
           if f.isConstOf recFnName then
             let numFixed  := recArgInfo.fixedParams.size
@@ -175,7 +180,7 @@ private partial def replaceRecApps (recFnName : Name) (recArgInfo : RecArgInfo)
             pure { matcherApp with alts := altsNew }.toExpr
       | none => processApp e
     | e => ensureNoRecFn recFnName e
-  loop below e
+  loop below e |>.run' {}
 
 def mkBRecOn (recFnName : Name) (recArgInfo : RecArgInfo) (value : Expr) : M Expr := do
   trace[Elab.definition.structural] "mkBRecOn: {value}"
diff --git a/stage0/src/Lean/Elab/PreDefinition/Structural/Basic.lean b/stage0/src/Lean/Elab/PreDefinition/Structural/Basic.lean
index 14bbb60b73..ff7f265b0e 100644
--- a/stage0/src/Lean/Elab/PreDefinition/Structural/Basic.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/Structural/Basic.lean
@@ -30,7 +30,7 @@ structure State where
      As a side-effect, this creates matchers. Here we capture all these side-effects, because
      the construction rolls back any changes done to the environment and the side-effects
      need to be replayed. -/
-  addMatchers : Array $ MetaM Unit := #[]
+  addMatchers : Array (MetaM Unit) := #[]
 
 abbrev M := StateRefT State MetaM
 
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
index 1881c7750b..5ef97696f5 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Fix.lean
@@ -3,6 +3,7 @@ Copyright (c) 2021 Microsoft Corporation. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Leonardo de Moura
 -/
+import Lean.Util.HasConstCache
 import Lean.Meta.Match.Match
 import Lean.Meta.Tactic.Simp.Main
 import Lean.Meta.Tactic.Cleanup
@@ -30,9 +31,9 @@ private def mkDecreasingProof (decreasingProp : Expr) (decrTactic? : Option Synt
   instantiateMVars mvar
 
 private partial def replaceRecApps (recFnName : Name) (fixedPrefixSize : Nat) (decrTactic? : Option Syntax) (F : Expr) (e : Expr) : TermElabM Expr :=
-  loop F e
+  loop F e |>.run' {}
 where
-  processRec (F : Expr) (e : Expr) : TermElabM Expr := do
+  processRec (F : Expr) (e : Expr) : StateRefT (HasConstCache recFnName) TermElabM Expr := do
     if e.getAppNumArgs < fixedPrefixSize + 1 then
       loop F (← etaExpand e)
     else
@@ -42,13 +43,18 @@ where
       let r := mkApp r (← mkDecreasingProof decreasingProp decrTactic?)
       return mkAppN r (← args[fixedPrefixSize+1:].toArray.mapM (loop F))
 
-  processApp (F : Expr) (e : Expr) : TermElabM Expr := do
+  processApp (F : Expr) (e : Expr) : StateRefT (HasConstCache recFnName) TermElabM Expr := do
     if e.isAppOf recFnName then
       processRec F e
     else
       e.withApp fun f args => return mkAppN (← loop F f) (← args.mapM (loop F))
 
-  loop (F : Expr) (e : Expr) : TermElabM Expr := do
+  containsRecFn (e : Expr) : StateRefT (HasConstCache recFnName) TermElabM Bool := do
+    modifyGet (·.contains e)
+
+  loop (F : Expr) (e : Expr) : StateRefT (HasConstCache recFnName) TermElabM Expr := do
+    if !(← containsRecFn e) then
+      return e
     match e with
     | Expr.lam n d b c =>
       withLocalDecl n c.binderInfo (← loop F d) fun x => do
diff --git a/stage0/src/Lean/Expr.lean b/stage0/src/Lean/Expr.lean
index 66f8cb479d..2ee984ea98 100644
--- a/stage0/src/Lean/Expr.lean
+++ b/stage0/src/Lean/Expr.lean
@@ -133,9 +133,8 @@ def Expr.mkData
     (hasFVar hasExprMVar hasLevelMVar hasLevelParam : Bool := false) (bi : BinderInfo := BinderInfo.default) (nonDepLet : Bool := false)
     : Expr.Data :=
   let approxDepth : UInt8 := if approxDepth > 255 then 255 else approxDepth.toUInt8
-  if looseBVarRange > Nat.pow 2 16 - 1 then panic! "bound variable index is too big"
-  else
-    let r : UInt64 :=
+  assert! (looseBVarRange ≤ Nat.pow 2 16 - 1)
+  let r : UInt64 :=
       h.toUInt32.toUInt64 +
       hasFVar.toUInt64.shiftLeft 32 +
       hasExprMVar.toUInt64.shiftLeft 33 +
@@ -145,7 +144,11 @@ def Expr.mkData
       bi.toUInt64.shiftLeft 37 +
       approxDepth.toUInt64.shiftLeft 40 +
       looseBVarRange.toUInt64.shiftLeft 48
-    r
+  r
+
+/-- Optimized version of `Expr.mkData` for applications. -/
+@[extern c inline "(((uint64_t)#5) << 48) | (((uint64_t)#4) << 40) | ((((#1 | #2) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)#3))"]
+constant Expr.mkAppData (fData : Data) (aData : Data) (hash : UInt64) (approxDepth : UInt8) (looseBVarRange : UInt16) : Data
 
 @[inline] def Expr.mkDataForBinder (h : UInt64) (looseBVarRange : Nat) (approxDepth : UInt32) (hasFVar hasExprMVar hasLevelMVar hasLevelParam : Bool) (bi : BinderInfo) : Expr.Data :=
   Expr.mkData h looseBVarRange approxDepth hasFVar hasExprMVar hasLevelMVar hasLevelParam bi false
@@ -215,7 +218,8 @@ inductive Expr where
 
 namespace Expr
 
-@[inline] def data : Expr → Data
+@[extern c inline "lean_ctor_get_uint64(#1, lean_ctor_num_objs(#1)*sizeof(void*))"]
+def data : (@& Expr) → Data
   | bvar _ d        => d
   | fvar _ d        => d
   | mvar _ d        => d
@@ -316,14 +320,14 @@ def mkProj (s : Name) (i : Nat) (e : Expr) : Expr :=
       e.looseBVarRange d e.hasFVar e.hasExprMVar e.hasLevelMVar e.hasLevelParam
 
 def mkApp (f a : Expr) : Expr :=
-  let d := (max f.approxDepth a.approxDepth) + 1
-  Expr.app f a <| mkData (mixHash d.toUInt64 <| mixHash (hash f) (hash a))
-    (max f.looseBVarRange a.looseBVarRange)
-    d
-    (f.hasFVar || a.hasFVar)
-    (f.hasExprMVar || a.hasExprMVar)
-    (f.hasLevelMVar || a.hasLevelMVar)
-    (f.hasLevelParam || a.hasLevelParam)
+  let fData := f.data
+  let aData := a.data
+  let depth := (max fData.approxDepth.toUInt16 aData.approxDepth.toUInt16) + 1
+  let depth := if depth > 255 then 255 else depth.toUInt8
+  let range := max fData.looseBVarRange aData.looseBVarRange
+  let hash  := mixHash fData aData
+  assert! (range ≤ (Nat.pow 2 16 - 1).toUInt32)
+  Expr.app f a (mkAppData fData aData hash depth range.toUInt16)
 
 def mkLambda (x : Name) (bi : BinderInfo) (t : Expr) (b : Expr) : Expr :=
   let d := (max t.approxDepth b.approxDepth) + 1
@@ -438,6 +442,9 @@ constant eqv (a : @& Expr) (b : @& Expr) : Bool
 instance : BEq Expr where
   beq := Expr.eqv
 
+protected unsafe def ptrEq (a b : Expr) : Bool :=
+  ptrAddrUnsafe a == ptrAddrUnsafe b
+
 /- Return true iff `a` and `b` are equal.
    Binder names and annotations are taking into account. -/
 @[extern "lean_expr_equal"]
diff --git a/stage0/src/Lean/Util.lean b/stage0/src/Lean/Util.lean
index efa27dd826..e574e39ae6 100644
--- a/stage0/src/Lean/Util.lean
+++ b/stage0/src/Lean/Util.lean
@@ -23,3 +23,4 @@ import Lean.Util.FoldConsts
 import Lean.Util.SCC
 import Lean.Util.OccursCheck
 import Lean.Util.Paths
+import Lean.Util.HasConstCache
diff --git a/stage0/src/Lean/Util/HasConstCache.lean b/stage0/src/Lean/Util/HasConstCache.lean
new file mode 100644
index 0000000000..0f52ecc8a8
--- /dev/null
+++ b/stage0/src/Lean/Util/HasConstCache.lean
@@ -0,0 +1,37 @@
+/-
+Copyright (c) 2022 Microsoft Corporation. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Leonardo de Moura
+-/
+import Lean.Expr
+
+namespace Lean
+
+structure HasConstCache (declName : Name) where
+  cache : Std.HashMapImp Expr Bool := Std.mkHashMapImp
+
+unsafe def HasConstCache.containsUnsafe (e : Expr) : StateM (HasConstCache declName) Bool := do
+  if let some r := (← get).cache.find? (beq := ⟨Expr.ptrEq⟩) e then
+    return r
+  else
+    match e with
+    | .const n ..        => return n == declName
+    | .app f a _         => cache e (← containsUnsafe f <||> containsUnsafe a)
+    | .lam _ d b _       => cache e (← containsUnsafe d <||> containsUnsafe b)
+    | .forallE _ d b _   => cache e (← containsUnsafe d <||> containsUnsafe b)
+    | .letE _ t v b _    => cache e (← containsUnsafe t <||> containsUnsafe v <||> containsUnsafe b)
+    | .mdata  _ b _      => cache e (← containsUnsafe b)
+    | .proj  _ _ b _     => cache e (← containsUnsafe b)
+    | _                  => return false
+where
+  cache (e : Expr) (r : Bool) : StateM (HasConstCache declName) Bool := do
+    modify fun ⟨cache⟩ => ⟨cache.insert (beq := ⟨Expr.ptrEq⟩) e r |>.1⟩
+    return r
+
+/--
+  Return true iff `e` contains the constant `declName`.
+  Remark: the results for visited expressions are stored in the state cache. -/
+@[implementedBy HasConstCache.containsUnsafe]
+constant HasConstCache.contains (e : Expr) : StateM (HasConstCache declName) Bool
+
+end Lean
diff --git a/stage0/src/Std/Data/HashMap.lean b/stage0/src/Std/Data/HashMap.lean
index f08ab6e12f..160223408d 100644
--- a/stage0/src/Std/Data/HashMap.lean
+++ b/stage0/src/Std/Data/HashMap.lean
@@ -64,7 +64,7 @@ def findEntry? [BEq α] [Hashable α] (m : HashMapImp α β) (a : α) : Option (
     let ⟨i, h⟩ := mkIdx buckets.property (hash a |>.toUSize)
     (buckets.val.uget i h).findEntry? a
 
-def find? [BEq α] [Hashable α] (m : HashMapImp α β) (a : α) : Option β :=
+def find? [beq : BEq α] [Hashable α] (m : HashMapImp α β) (a : α) : Option β :=
   match m with
   | ⟨_, buckets⟩ =>
     let ⟨i, h⟩ := mkIdx buckets.property (hash a |>.toUSize)
@@ -94,7 +94,7 @@ def expand [Hashable α] (size : Nat) (buckets : HashMapBucket α β) : HashMapI
   { size    := size,
     buckets := moveEntries 0 buckets.val new_buckets }
 
-@[inline] def insert [BEq α] [Hashable α] (m : HashMapImp α β) (a : α) (b : β) : HashMapImp α β × Bool :=
+@[inline] def insert [beq : BEq α] [Hashable α] (m : HashMapImp α β) (a : α) (b : β) : HashMapImp α β × Bool :=
   match m with
   | ⟨size, buckets⟩ =>
     let ⟨i, h⟩ := mkIdx buckets.property (hash a |>.toUSize)
diff --git a/stage0/stdlib/Lean/Data/Lsp/Internal.c b/stage0/stdlib/Lean/Data/Lsp/Internal.c
index b354f0f27e..61fda87f9c 100644
--- a/stage0/stdlib/Lean/Data/Lsp/Internal.c
+++ b/stage0/stdlib/Lean/Data/Lsp/Internal.c
@@ -21,7 +21,7 @@ lean_object* l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(lean_obje
 LEAN_EXPORT lean_object* l_Std_HashMapImp_expand___at_Lean_Lsp_instFromJsonModuleRefs___spec__3(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_foldM___at_Lean_Lsp_instFromJsonModuleRefs___spec__8(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Lsp_instToJsonRefInfo___spec__2(size_t, size_t, lean_object*);
 LEAN_EXPORT uint64_t l___private_Lean_Data_Lsp_Internal_0__Lean_Lsp_hashRefIdent____x40_Lean_Data_Lsp_Internal___hyg_106_(lean_object*);
@@ -219,7 +219,7 @@ else
 lean_object* x_6; uint64_t x_7; uint64_t x_8; uint64_t x_9; 
 x_6 = lean_ctor_get(x_1, 0);
 x_7 = 1;
-x_8 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_6);
+x_8 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_6);
 x_9 = lean_uint64_mix_hash(x_7, x_8);
 return x_9;
 }
diff --git a/stage0/stdlib/Lean/Declaration.c b/stage0/stdlib/Lean/Declaration.c
index 41c262e56c..786827a05f 100644
--- a/stage0/stdlib/Lean/Declaration.c
+++ b/stage0/stdlib/Lean/Declaration.c
@@ -38,6 +38,7 @@ LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Declaration_forExprM___spec__2(
 LEAN_EXPORT lean_object* lean_mk_reducibility_hints_regular(uint32_t);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Declaration_forExprM___spec__2___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Declaration_forExprM___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT uint8_t lean_opaque_val_is_unsafe(lean_object*);
 static lean_object* l___private_Lean_Declaration_0__Lean_reprDefinitionSafety____x40_Lean_Declaration___hyg_277____closed__6;
 LEAN_EXPORT uint8_t l_Lean_ConstantInfo_isInductive(lean_object*);
@@ -94,7 +95,6 @@ LEAN_EXPORT lean_object* l_Lean_DefinitionSafety_toCtorIdx___boxed(lean_object*)
 LEAN_EXPORT lean_object* l_Lean_DefinitionSafety_toCtorIdx(uint8_t);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Declaration_forExprM___spec__3(lean_object*);
 static lean_object* l_Lean_instInhabitedConstructor___closed__1;
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ConstantInfo_toConstantVal(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_ReducibilityHints_isRegular(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Declaration_forExprM___spec__2___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
@@ -2619,7 +2619,7 @@ default:
 {
 lean_object* x_6; lean_object* x_7; 
 x_6 = l_Lean_ConstantInfo_value_x21___closed__4;
-x_7 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_6);
+x_7 = l_panic___at_Lean_mkApp___spec__1(x_6);
 return x_7;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Match.c b/stage0/stdlib/Lean/Elab/Match.c
index dcc987bfff..1a4ae42f88 100644
--- a/stage0/stdlib/Lean/Elab/Match.c
+++ b/stage0/stdlib/Lean/Elab/Match.c
@@ -15094,7 +15094,6 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
 x_40 = !lean_is_exclusive(x_18);
@@ -15678,19 +15677,16 @@ x_133 = lean_unsigned_to_nat(1u);
 x_134 = lean_nat_sub(x_132, x_133);
 x_135 = lean_nat_sub(x_134, x_133);
 lean_dec(x_134);
-lean_inc(x_1);
 x_136 = l_Lean_Expr_getRevArg_x21(x_1, x_135);
 x_137 = lean_unsigned_to_nat(2u);
 x_138 = lean_nat_sub(x_132, x_137);
 x_139 = lean_nat_sub(x_138, x_133);
 lean_dec(x_138);
-lean_inc(x_1);
 x_140 = l_Lean_Expr_getRevArg_x21(x_1, x_139);
 x_141 = lean_unsigned_to_nat(3u);
 x_142 = lean_nat_sub(x_132, x_141);
 x_143 = lean_nat_sub(x_142, x_133);
 lean_dec(x_142);
-lean_inc(x_1);
 x_144 = l_Lean_Expr_getRevArg_x21(x_1, x_143);
 x_153 = l_Lean_Expr_isFVar(x_136);
 if (x_153 == 0)
@@ -15727,6 +15723,7 @@ lean_object* x_157; lean_object* x_158;
 x_157 = lean_box(0);
 x_158 = l_Lean_Elab_Term_ToDepElimPattern_normalize___lambda__2(x_136, x_140, x_144, x_1, x_132, x_157, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_132);
+lean_dec(x_1);
 return x_158;
 }
 }
@@ -15897,6 +15894,7 @@ lean_object* x_16;
 x_16 = l_Lean_Elab_Term_ToDepElimPattern_normalize___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
 return x_16;
 }
 }
@@ -16100,7 +16098,6 @@ x_9 = lean_nat_sub(x_7, x_8);
 x_10 = lean_unsigned_to_nat(1u);
 x_11 = lean_nat_sub(x_9, x_10);
 lean_dec(x_9);
-lean_inc(x_1);
 x_12 = l_Lean_Expr_getRevArg_x21(x_1, x_11);
 x_13 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_unpackMatchTypePatterns(x_12);
 x_14 = !lean_is_exclusive(x_13);
@@ -16114,6 +16111,7 @@ lean_dec(x_7);
 x_18 = lean_nat_sub(x_17, x_10);
 lean_dec(x_17);
 x_19 = l_Lean_Expr_getRevArg_x21(x_1, x_18);
+lean_dec(x_1);
 x_20 = lean_array_push(x_15, x_19);
 lean_ctor_set(x_13, 1, x_20);
 return x_13;
@@ -16132,6 +16130,7 @@ lean_dec(x_7);
 x_25 = lean_nat_sub(x_24, x_10);
 lean_dec(x_24);
 x_26 = l_Lean_Expr_getRevArg_x21(x_1, x_25);
+lean_dec(x_1);
 x_27 = lean_array_push(x_22, x_26);
 x_28 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_28, 0, x_21);
@@ -16772,7 +16771,6 @@ x_76 = lean_nat_sub(x_74, x_75);
 x_77 = lean_unsigned_to_nat(1u);
 x_78 = lean_nat_sub(x_76, x_77);
 lean_dec(x_76);
-lean_inc(x_1);
 x_79 = l_Lean_Expr_getRevArg_x21(x_1, x_78);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -16792,13 +16790,13 @@ x_84 = lean_unsigned_to_nat(3u);
 x_85 = lean_nat_sub(x_74, x_84);
 x_86 = lean_nat_sub(x_85, x_77);
 lean_dec(x_85);
-lean_inc(x_1);
 x_87 = l_Lean_Expr_getRevArg_x21(x_1, x_86);
 x_88 = lean_nat_sub(x_74, x_77);
 lean_dec(x_74);
 x_89 = lean_nat_sub(x_88, x_77);
 lean_dec(x_88);
 x_90 = l_Lean_Expr_getRevArg_x21(x_1, x_89);
+lean_dec(x_1);
 if (lean_obj_tag(x_90) == 1)
 {
 if (lean_obj_tag(x_87) == 1)
@@ -16865,13 +16863,13 @@ x_100 = lean_unsigned_to_nat(3u);
 x_101 = lean_nat_sub(x_74, x_100);
 x_102 = lean_nat_sub(x_101, x_77);
 lean_dec(x_101);
-lean_inc(x_1);
 x_103 = l_Lean_Expr_getRevArg_x21(x_1, x_102);
 x_104 = lean_nat_sub(x_74, x_77);
 lean_dec(x_74);
 x_105 = lean_nat_sub(x_104, x_77);
 lean_dec(x_104);
 x_106 = l_Lean_Expr_getRevArg_x21(x_1, x_105);
+lean_dec(x_1);
 if (lean_obj_tag(x_106) == 1)
 {
 if (lean_obj_tag(x_103) == 1)
@@ -21480,6 +21478,7 @@ x_23 = lean_unsigned_to_nat(1u);
 x_24 = lean_nat_sub(x_22, x_23);
 lean_dec(x_22);
 x_25 = l_Lean_Expr_getRevArg_x21(x_14, x_24);
+lean_dec(x_14);
 x_1 = x_25;
 x_2 = x_11;
 x_7 = x_15;
@@ -21540,6 +21539,7 @@ x_38 = lean_unsigned_to_nat(1u);
 x_39 = lean_nat_sub(x_37, x_38);
 lean_dec(x_37);
 x_40 = l_Lean_Expr_getRevArg_x21(x_27, x_39);
+lean_dec(x_27);
 x_1 = x_40;
 x_2 = x_11;
 x_7 = x_28;
diff --git a/stage0/stdlib/Lean/Elab/MutualDef.c b/stage0/stdlib/Lean/Elab/MutualDef.c
index d19f000507..cccb5f4320 100644
--- a/stage0/stdlib/Lean/Elab/MutualDef.c
+++ b/stage0/stdlib/Lean/Elab/MutualDef.c
@@ -556,6 +556,7 @@ lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Elab_Command_expandDeclId___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_typeHasRecFun(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
+lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkClosureForAux___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_elabMutualDef___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_eraseAuxDiscr(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -603,7 +604,6 @@ lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Intro_0__Lea
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___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_throwErrorAt___at_Lean_Elab_Term_Quotation_getAntiquotationIds___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_typeHasRecFun___spec__1___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_processDefDeriving___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_registerFailedToInferDefTypeInfo___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosureFor___spec__1(lean_object*, size_t, size_t, lean_object*);
@@ -16808,7 +16808,7 @@ lean_closure_set(x_13, 0, x_1);
 lean_closure_set(x_13, 1, x_2);
 lean_closure_set(x_13, 2, x_10);
 lean_closure_set(x_13, 3, x_11);
-x_14 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg), 9, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg), 9, 2);
 lean_closure_set(x_14, 0, x_12);
 lean_closure_set(x_14, 1, x_13);
 x_15 = l_Lean_Meta_withLCtx___at_Lean_Elab_Term_mvarsToParams___spec__1___rarg(x_10, x_11, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
index c50201a923..f614a20a0d 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Elab.PreDefinition.Structural.BRecOn
-// Imports: Init Lean.Meta.Match.Match Lean.Elab.RecAppSyntax Lean.Elab.PreDefinition.Basic Lean.Elab.PreDefinition.Structural.Basic
+// Imports: Init Lean.Util.HasConstCache Lean.Meta.Match.Match Lean.Elab.RecAppSyntax Lean.Elab.PreDefinition.Basic Lean.Elab.PreDefinition.Structural.Basic
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -15,77 +15,95 @@ extern "C" {
 #endif
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__3;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__1___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__1;
 lean_object* l_Lean_stringToMessageData(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__7;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__8;
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__2;
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__7;
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_MatcherApp_addArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkAppM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18(lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_getRecAppSyntax_x3f(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___boxed(lean_object**);
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__3___closed__1;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 uint8_t l_Lean_Elab_Structural_recArgHasLooseBVarsAt(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19(lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4;
+static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2;
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__3___boxed(lean_object**);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__3;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___boxed(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__3___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_replaceFVars(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -93,12 +111,10 @@ extern lean_object* l_Lean_binductionOnSuffix;
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__6___closed__1;
 extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__5;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__10___closed__3;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___closed__1;
@@ -107,11 +123,11 @@ uint8_t l_Array_contains___at___private_Lean_Meta_RecursorInfo_0__Lean_Meta_getM
 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1;
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3;
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Meta_Eqns_0__Lean_Meta_mkSimpleEqThm___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__3;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
@@ -120,141 +136,173 @@ static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__7___closed__2;
 lean_object* l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__1;
-static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4;
 lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__5;
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__4;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__6;
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___boxed(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_headBeta(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___rarg___closed__2;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___rarg___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed(lean_object*);
 lean_object* l_Lean_Meta_decLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27(lean_object*, lean_object*);
 lean_object* l_Nat_repr(lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__10;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__12;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__7___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__2;
 lean_object* lean_array_to_list(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24(lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__6___boxed(lean_object**);
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4;
 extern lean_object* l_Lean_instInhabitedExpr;
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__6___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mapErrorImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23(lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(lean_object*);
 size_t lean_usize_of_nat(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1;
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_addTraceOptions(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___rarg___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20(lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2;
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2;
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__10___closed__2;
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3;
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__4;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__8;
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__11;
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__10___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__4;
+static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1;
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___rarg___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__9;
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3;
 lean_object* l_Lean_Meta_MatcherApp_toExpr(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5;
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___boxed(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__9;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__7;
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___boxed(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_withBelowDict___spec__1___rarg___closed__2;
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__5___closed__1;
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__2(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9___boxed(lean_object**);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toArrayAux___rarg(lean_object*, lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2;
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___boxed(lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__9___closed__2;
@@ -262,46 +310,59 @@ static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgT
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_reduceMatcher_x3f___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__10___closed__1;
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___closed__2;
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_arity(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
 lean_object* lean_mk_array(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__5___closed__2;
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__11;
 static lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__9___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4;
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentD(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___spec__1(lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6;
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_brecOnSuffix;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4___boxed(lean_object**);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18(lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___boxed(lean_object**);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(lean_object*);
 lean_object* l_Lean_Elab_Structural_RecArgInfo_recArgPos(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___boxed(lean_object*);
 uint8_t lean_level_eq(lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2;
 lean_object* l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_mkBRecOn___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_refinedArgType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__13;
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__1;
@@ -309,7 +370,6 @@ static lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lea
 lean_object* l_Lean_Meta_check(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Structural_refinedArgType___spec__1___lambda__2___closed__6;
 uint8_t lean_string_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_throwToBelowFailed___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
@@ -2631,606 +2691,601 @@ lean_dec(x_2);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
+lean_object* x_9; uint8_t x_10; 
+x_9 = lean_st_ref_get(x_7, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = lean_ctor_get(x_8, 0);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_11, x_1);
-lean_ctor_set(x_8, 0, x_12);
-return x_8;
-}
-else
-{
-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_8, 0);
-x_14 = lean_ctor_get(x_8, 1);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_8);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_15, x_1);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_14);
-return x_17;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_Expr_getAppFn(x_1);
-if (lean_obj_tag(x_8) == 4)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-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_9);
-x_11 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(x_9, x_2, x_3, x_4, x_5, x_6, x_7);
+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_11, 0);
 lean_inc(x_12);
-if (lean_obj_tag(x_12) == 0)
-{
-uint8_t x_13; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_1);
-x_13 = !lean_is_exclusive(x_11);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_ctor_get(x_11, 0);
-lean_dec(x_14);
-x_15 = lean_box(0);
-lean_ctor_set(x_11, 0, x_15);
-return x_11;
+lean_dec(x_11);
+x_13 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_12, x_1);
+lean_ctor_set(x_9, 0, x_13);
+return x_9;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_11, 1);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_9, 0);
+x_15 = lean_ctor_get(x_9, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_9);
+x_16 = lean_ctor_get(x_14, 0);
 lean_inc(x_16);
-lean_dec(x_11);
-x_17 = lean_box(0);
+lean_dec(x_14);
+x_17 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_16, x_1);
 x_18 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_16);
+lean_ctor_set(x_18, 1, x_15);
 return x_18;
 }
 }
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Expr_getAppFn(x_2);
+if (lean_obj_tag(x_10) == 4)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+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);
+lean_inc(x_11);
+x_13 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_2);
+x_15 = !lean_is_exclusive(x_13);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = lean_ctor_get(x_13, 0);
+lean_dec(x_16);
+x_17 = lean_box(0);
+lean_ctor_set(x_13, 0, x_17);
+return x_13;
+}
 else
 {
-uint8_t x_19; 
-x_19 = !lean_is_exclusive(x_11);
-if (x_19 == 0)
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_13, 1);
+lean_inc(x_18);
+lean_dec(x_13);
+x_19 = lean_box(0);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+return x_20;
+}
+}
+else
 {
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_11, 0);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_12);
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_13);
 if (x_21 == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_22 = lean_ctor_get(x_12, 0);
-x_23 = lean_unsigned_to_nat(0u);
-x_24 = l_Lean_Expr_getAppNumArgsAux(x_1, x_23);
-x_25 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_24);
-x_26 = lean_mk_array(x_24, x_25);
-x_27 = lean_unsigned_to_nat(1u);
-x_28 = lean_nat_sub(x_24, x_27);
-lean_dec(x_24);
-x_29 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_26, x_28);
-x_30 = lean_array_get_size(x_29);
-x_31 = l_Lean_Meta_Match_MatcherInfo_arity(x_22);
-x_32 = lean_nat_dec_lt(x_30, x_31);
-lean_dec(x_31);
-if (x_32 == 0)
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_13, 0);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_14);
+if (x_23 == 0)
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_33 = l_List_redLength___rarg(x_10);
-x_34 = lean_mk_empty_array_with_capacity(x_33);
+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; uint8_t x_34; 
+x_24 = lean_ctor_get(x_14, 0);
+x_25 = lean_unsigned_to_nat(0u);
+x_26 = l_Lean_Expr_getAppNumArgsAux(x_2, x_25);
+x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_26);
+x_28 = lean_mk_array(x_26, x_27);
+x_29 = lean_unsigned_to_nat(1u);
+x_30 = lean_nat_sub(x_26, x_29);
+lean_dec(x_26);
+x_31 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_28, x_30);
+x_32 = lean_array_get_size(x_31);
+x_33 = l_Lean_Meta_Match_MatcherInfo_arity(x_24);
+x_34 = lean_nat_dec_lt(x_32, x_33);
 lean_dec(x_33);
-x_35 = l_List_toArrayAux___rarg(x_10, x_34);
-x_36 = lean_ctor_get(x_22, 3);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_22, 0);
-lean_inc(x_37);
-lean_inc(x_37);
-lean_inc(x_29);
-x_38 = l_Array_extract___rarg(x_29, x_23, x_37);
-x_39 = l_Lean_instInhabitedExpr;
-x_40 = lean_array_get(x_39, x_29, x_37);
-x_41 = lean_nat_add(x_37, x_27);
-lean_dec(x_37);
-x_42 = lean_ctor_get(x_22, 1);
-lean_inc(x_42);
-x_43 = lean_nat_add(x_41, x_42);
-lean_dec(x_42);
-lean_inc(x_43);
-lean_inc(x_29);
-x_44 = l_Array_toSubarray___rarg(x_29, x_41, x_43);
-x_45 = l_Array_ofSubarray___rarg(x_44);
-x_46 = lean_ctor_get(x_22, 2);
-lean_inc(x_46);
-x_47 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_22);
-lean_dec(x_22);
-x_48 = lean_nat_add(x_43, x_47);
-lean_dec(x_47);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_35 = l_List_redLength___rarg(x_12);
+x_36 = lean_mk_empty_array_with_capacity(x_35);
+lean_dec(x_35);
+x_37 = l_List_toArrayAux___rarg(x_12, x_36);
+x_38 = lean_ctor_get(x_24, 3);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_24, 0);
+lean_inc(x_39);
+lean_inc(x_39);
+lean_inc(x_31);
+x_40 = l_Array_extract___rarg(x_31, x_25, x_39);
+x_41 = l_Lean_instInhabitedExpr;
+x_42 = lean_array_get(x_41, x_31, x_39);
+x_43 = lean_nat_add(x_39, x_29);
+lean_dec(x_39);
+x_44 = lean_ctor_get(x_24, 1);
+lean_inc(x_44);
+x_45 = lean_nat_add(x_43, x_44);
+lean_dec(x_44);
+lean_inc(x_45);
+lean_inc(x_31);
+x_46 = l_Array_toSubarray___rarg(x_31, x_43, x_45);
+x_47 = l_Array_ofSubarray___rarg(x_46);
+x_48 = lean_ctor_get(x_24, 2);
 lean_inc(x_48);
-lean_inc(x_29);
-x_49 = l_Array_toSubarray___rarg(x_29, x_43, x_48);
-x_50 = l_Array_ofSubarray___rarg(x_49);
-x_51 = l_Array_toSubarray___rarg(x_29, x_48, x_30);
+x_49 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_24);
+lean_dec(x_24);
+x_50 = lean_nat_add(x_45, x_49);
+lean_dec(x_49);
+lean_inc(x_50);
+lean_inc(x_31);
+x_51 = l_Array_toSubarray___rarg(x_31, x_45, x_50);
 x_52 = l_Array_ofSubarray___rarg(x_51);
-x_53 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_53, 0, x_9);
-lean_ctor_set(x_53, 1, x_35);
-lean_ctor_set(x_53, 2, x_36);
-lean_ctor_set(x_53, 3, x_38);
-lean_ctor_set(x_53, 4, x_40);
-lean_ctor_set(x_53, 5, x_45);
-lean_ctor_set(x_53, 6, x_46);
-lean_ctor_set(x_53, 7, x_50);
-lean_ctor_set(x_53, 8, x_52);
-lean_ctor_set(x_12, 0, x_53);
-return x_11;
+x_53 = l_Array_toSubarray___rarg(x_31, x_50, x_32);
+x_54 = l_Array_ofSubarray___rarg(x_53);
+x_55 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_55, 0, x_11);
+lean_ctor_set(x_55, 1, x_37);
+lean_ctor_set(x_55, 2, x_38);
+lean_ctor_set(x_55, 3, x_40);
+lean_ctor_set(x_55, 4, x_42);
+lean_ctor_set(x_55, 5, x_47);
+lean_ctor_set(x_55, 6, x_48);
+lean_ctor_set(x_55, 7, x_52);
+lean_ctor_set(x_55, 8, x_54);
+lean_ctor_set(x_14, 0, x_55);
+return x_13;
 }
 else
 {
-lean_object* x_54; 
-lean_dec(x_30);
-lean_dec(x_29);
-lean_free_object(x_12);
-lean_dec(x_22);
-lean_dec(x_10);
-lean_dec(x_9);
-x_54 = lean_box(0);
-lean_ctor_set(x_11, 0, x_54);
-return x_11;
-}
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
-x_55 = lean_ctor_get(x_12, 0);
-lean_inc(x_55);
+lean_object* x_56; 
+lean_dec(x_32);
+lean_dec(x_31);
+lean_free_object(x_14);
+lean_dec(x_24);
 lean_dec(x_12);
-x_56 = lean_unsigned_to_nat(0u);
-x_57 = l_Lean_Expr_getAppNumArgsAux(x_1, x_56);
-x_58 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_57);
-x_59 = lean_mk_array(x_57, x_58);
-x_60 = lean_unsigned_to_nat(1u);
-x_61 = lean_nat_sub(x_57, x_60);
-lean_dec(x_57);
-x_62 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_59, x_61);
-x_63 = lean_array_get_size(x_62);
-x_64 = l_Lean_Meta_Match_MatcherInfo_arity(x_55);
-x_65 = lean_nat_dec_lt(x_63, x_64);
-lean_dec(x_64);
-if (x_65 == 0)
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_66 = l_List_redLength___rarg(x_10);
-x_67 = lean_mk_empty_array_with_capacity(x_66);
-lean_dec(x_66);
-x_68 = l_List_toArrayAux___rarg(x_10, x_67);
-x_69 = lean_ctor_get(x_55, 3);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_55, 0);
-lean_inc(x_70);
-lean_inc(x_70);
-lean_inc(x_62);
-x_71 = l_Array_extract___rarg(x_62, x_56, x_70);
-x_72 = l_Lean_instInhabitedExpr;
-x_73 = lean_array_get(x_72, x_62, x_70);
-x_74 = lean_nat_add(x_70, x_60);
-lean_dec(x_70);
-x_75 = lean_ctor_get(x_55, 1);
-lean_inc(x_75);
-x_76 = lean_nat_add(x_74, x_75);
-lean_dec(x_75);
-lean_inc(x_76);
-lean_inc(x_62);
-x_77 = l_Array_toSubarray___rarg(x_62, x_74, x_76);
-x_78 = l_Array_ofSubarray___rarg(x_77);
-x_79 = lean_ctor_get(x_55, 2);
-lean_inc(x_79);
-x_80 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_55);
-lean_dec(x_55);
-x_81 = lean_nat_add(x_76, x_80);
-lean_dec(x_80);
-lean_inc(x_81);
-lean_inc(x_62);
-x_82 = l_Array_toSubarray___rarg(x_62, x_76, x_81);
-x_83 = l_Array_ofSubarray___rarg(x_82);
-x_84 = l_Array_toSubarray___rarg(x_62, x_81, x_63);
-x_85 = l_Array_ofSubarray___rarg(x_84);
-x_86 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_86, 0, x_9);
-lean_ctor_set(x_86, 1, x_68);
-lean_ctor_set(x_86, 2, x_69);
-lean_ctor_set(x_86, 3, x_71);
-lean_ctor_set(x_86, 4, x_73);
-lean_ctor_set(x_86, 5, x_78);
-lean_ctor_set(x_86, 6, x_79);
-lean_ctor_set(x_86, 7, x_83);
-lean_ctor_set(x_86, 8, x_85);
-x_87 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_11, 0, x_87);
-return x_11;
-}
-else
-{
-lean_object* x_88; 
-lean_dec(x_63);
-lean_dec(x_62);
-lean_dec(x_55);
-lean_dec(x_10);
-lean_dec(x_9);
-x_88 = lean_box(0);
-lean_ctor_set(x_11, 0, x_88);
-return x_11;
-}
-}
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
-x_89 = lean_ctor_get(x_11, 1);
-lean_inc(x_89);
 lean_dec(x_11);
-x_90 = lean_ctor_get(x_12, 0);
-lean_inc(x_90);
-if (lean_is_exclusive(x_12)) {
- lean_ctor_release(x_12, 0);
- x_91 = x_12;
-} else {
- lean_dec_ref(x_12);
- x_91 = lean_box(0);
+x_56 = lean_box(0);
+lean_ctor_set(x_13, 0, x_56);
+return x_13;
 }
-x_92 = lean_unsigned_to_nat(0u);
-x_93 = l_Lean_Expr_getAppNumArgsAux(x_1, x_92);
-x_94 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_93);
-x_95 = lean_mk_array(x_93, x_94);
-x_96 = lean_unsigned_to_nat(1u);
-x_97 = lean_nat_sub(x_93, x_96);
-lean_dec(x_93);
-x_98 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_95, x_97);
-x_99 = lean_array_get_size(x_98);
-x_100 = l_Lean_Meta_Match_MatcherInfo_arity(x_90);
-x_101 = lean_nat_dec_lt(x_99, x_100);
-lean_dec(x_100);
-if (x_101 == 0)
-{
-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; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
-x_102 = l_List_redLength___rarg(x_10);
-x_103 = lean_mk_empty_array_with_capacity(x_102);
-lean_dec(x_102);
-x_104 = l_List_toArrayAux___rarg(x_10, x_103);
-x_105 = lean_ctor_get(x_90, 3);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_90, 0);
-lean_inc(x_106);
-lean_inc(x_106);
-lean_inc(x_98);
-x_107 = l_Array_extract___rarg(x_98, x_92, x_106);
-x_108 = l_Lean_instInhabitedExpr;
-x_109 = lean_array_get(x_108, x_98, x_106);
-x_110 = lean_nat_add(x_106, x_96);
-lean_dec(x_106);
-x_111 = lean_ctor_get(x_90, 1);
-lean_inc(x_111);
-x_112 = lean_nat_add(x_110, x_111);
-lean_dec(x_111);
-lean_inc(x_112);
-lean_inc(x_98);
-x_113 = l_Array_toSubarray___rarg(x_98, x_110, x_112);
-x_114 = l_Array_ofSubarray___rarg(x_113);
-x_115 = lean_ctor_get(x_90, 2);
-lean_inc(x_115);
-x_116 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_90);
-lean_dec(x_90);
-x_117 = lean_nat_add(x_112, x_116);
-lean_dec(x_116);
-lean_inc(x_117);
-lean_inc(x_98);
-x_118 = l_Array_toSubarray___rarg(x_98, x_112, x_117);
-x_119 = l_Array_ofSubarray___rarg(x_118);
-x_120 = l_Array_toSubarray___rarg(x_98, x_117, x_99);
-x_121 = l_Array_ofSubarray___rarg(x_120);
-x_122 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_122, 0, x_9);
-lean_ctor_set(x_122, 1, x_104);
-lean_ctor_set(x_122, 2, x_105);
-lean_ctor_set(x_122, 3, x_107);
-lean_ctor_set(x_122, 4, x_109);
-lean_ctor_set(x_122, 5, x_114);
-lean_ctor_set(x_122, 6, x_115);
-lean_ctor_set(x_122, 7, x_119);
-lean_ctor_set(x_122, 8, x_121);
-if (lean_is_scalar(x_91)) {
- x_123 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_123 = x_91;
-}
-lean_ctor_set(x_123, 0, x_122);
-x_124 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_124, 0, x_123);
-lean_ctor_set(x_124, 1, x_89);
-return x_124;
 }
 else
 {
-lean_object* x_125; lean_object* x_126; 
-lean_dec(x_99);
-lean_dec(x_98);
-lean_dec(x_91);
-lean_dec(x_90);
-lean_dec(x_10);
-lean_dec(x_9);
-x_125 = lean_box(0);
+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; uint8_t x_67; 
+x_57 = lean_ctor_get(x_14, 0);
+lean_inc(x_57);
+lean_dec(x_14);
+x_58 = lean_unsigned_to_nat(0u);
+x_59 = l_Lean_Expr_getAppNumArgsAux(x_2, x_58);
+x_60 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_59);
+x_61 = lean_mk_array(x_59, x_60);
+x_62 = lean_unsigned_to_nat(1u);
+x_63 = lean_nat_sub(x_59, x_62);
+lean_dec(x_59);
+x_64 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_61, x_63);
+x_65 = lean_array_get_size(x_64);
+x_66 = l_Lean_Meta_Match_MatcherInfo_arity(x_57);
+x_67 = lean_nat_dec_lt(x_65, x_66);
+lean_dec(x_66);
+if (x_67 == 0)
+{
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_68 = l_List_redLength___rarg(x_12);
+x_69 = lean_mk_empty_array_with_capacity(x_68);
+lean_dec(x_68);
+x_70 = l_List_toArrayAux___rarg(x_12, x_69);
+x_71 = lean_ctor_get(x_57, 3);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_57, 0);
+lean_inc(x_72);
+lean_inc(x_72);
+lean_inc(x_64);
+x_73 = l_Array_extract___rarg(x_64, x_58, x_72);
+x_74 = l_Lean_instInhabitedExpr;
+x_75 = lean_array_get(x_74, x_64, x_72);
+x_76 = lean_nat_add(x_72, x_62);
+lean_dec(x_72);
+x_77 = lean_ctor_get(x_57, 1);
+lean_inc(x_77);
+x_78 = lean_nat_add(x_76, x_77);
+lean_dec(x_77);
+lean_inc(x_78);
+lean_inc(x_64);
+x_79 = l_Array_toSubarray___rarg(x_64, x_76, x_78);
+x_80 = l_Array_ofSubarray___rarg(x_79);
+x_81 = lean_ctor_get(x_57, 2);
+lean_inc(x_81);
+x_82 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_57);
+lean_dec(x_57);
+x_83 = lean_nat_add(x_78, x_82);
+lean_dec(x_82);
+lean_inc(x_83);
+lean_inc(x_64);
+x_84 = l_Array_toSubarray___rarg(x_64, x_78, x_83);
+x_85 = l_Array_ofSubarray___rarg(x_84);
+x_86 = l_Array_toSubarray___rarg(x_64, x_83, x_65);
+x_87 = l_Array_ofSubarray___rarg(x_86);
+x_88 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_88, 0, x_11);
+lean_ctor_set(x_88, 1, x_70);
+lean_ctor_set(x_88, 2, x_71);
+lean_ctor_set(x_88, 3, x_73);
+lean_ctor_set(x_88, 4, x_75);
+lean_ctor_set(x_88, 5, x_80);
+lean_ctor_set(x_88, 6, x_81);
+lean_ctor_set(x_88, 7, x_85);
+lean_ctor_set(x_88, 8, x_87);
+x_89 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_13, 0, x_89);
+return x_13;
+}
+else
+{
+lean_object* x_90; 
+lean_dec(x_65);
+lean_dec(x_64);
+lean_dec(x_57);
+lean_dec(x_12);
+lean_dec(x_11);
+x_90 = lean_box(0);
+lean_ctor_set(x_13, 0, x_90);
+return x_13;
+}
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_91 = lean_ctor_get(x_13, 1);
+lean_inc(x_91);
+lean_dec(x_13);
+x_92 = lean_ctor_get(x_14, 0);
+lean_inc(x_92);
+if (lean_is_exclusive(x_14)) {
+ lean_ctor_release(x_14, 0);
+ x_93 = x_14;
+} else {
+ lean_dec_ref(x_14);
+ x_93 = lean_box(0);
+}
+x_94 = lean_unsigned_to_nat(0u);
+x_95 = l_Lean_Expr_getAppNumArgsAux(x_2, x_94);
+x_96 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_95);
+x_97 = lean_mk_array(x_95, x_96);
+x_98 = lean_unsigned_to_nat(1u);
+x_99 = lean_nat_sub(x_95, x_98);
+lean_dec(x_95);
+x_100 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_97, x_99);
+x_101 = lean_array_get_size(x_100);
+x_102 = l_Lean_Meta_Match_MatcherInfo_arity(x_92);
+x_103 = lean_nat_dec_lt(x_101, x_102);
+lean_dec(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_104 = l_List_redLength___rarg(x_12);
+x_105 = lean_mk_empty_array_with_capacity(x_104);
+lean_dec(x_104);
+x_106 = l_List_toArrayAux___rarg(x_12, x_105);
+x_107 = lean_ctor_get(x_92, 3);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_92, 0);
+lean_inc(x_108);
+lean_inc(x_108);
+lean_inc(x_100);
+x_109 = l_Array_extract___rarg(x_100, x_94, x_108);
+x_110 = l_Lean_instInhabitedExpr;
+x_111 = lean_array_get(x_110, x_100, x_108);
+x_112 = lean_nat_add(x_108, x_98);
+lean_dec(x_108);
+x_113 = lean_ctor_get(x_92, 1);
+lean_inc(x_113);
+x_114 = lean_nat_add(x_112, x_113);
+lean_dec(x_113);
+lean_inc(x_114);
+lean_inc(x_100);
+x_115 = l_Array_toSubarray___rarg(x_100, x_112, x_114);
+x_116 = l_Array_ofSubarray___rarg(x_115);
+x_117 = lean_ctor_get(x_92, 2);
+lean_inc(x_117);
+x_118 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_92);
+lean_dec(x_92);
+x_119 = lean_nat_add(x_114, x_118);
+lean_dec(x_118);
+lean_inc(x_119);
+lean_inc(x_100);
+x_120 = l_Array_toSubarray___rarg(x_100, x_114, x_119);
+x_121 = l_Array_ofSubarray___rarg(x_120);
+x_122 = l_Array_toSubarray___rarg(x_100, x_119, x_101);
+x_123 = l_Array_ofSubarray___rarg(x_122);
+x_124 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_124, 0, x_11);
+lean_ctor_set(x_124, 1, x_106);
+lean_ctor_set(x_124, 2, x_107);
+lean_ctor_set(x_124, 3, x_109);
+lean_ctor_set(x_124, 4, x_111);
+lean_ctor_set(x_124, 5, x_116);
+lean_ctor_set(x_124, 6, x_117);
+lean_ctor_set(x_124, 7, x_121);
+lean_ctor_set(x_124, 8, x_123);
+if (lean_is_scalar(x_93)) {
+ x_125 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_125 = x_93;
+}
+lean_ctor_set(x_125, 0, x_124);
 x_126 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_89);
+lean_ctor_set(x_126, 1, x_91);
 return x_126;
 }
-}
-}
-}
 else
 {
 lean_object* x_127; lean_object* x_128; 
-lean_dec(x_8);
-lean_dec(x_1);
+lean_dec(x_101);
+lean_dec(x_100);
+lean_dec(x_93);
+lean_dec(x_92);
+lean_dec(x_12);
+lean_dec(x_11);
 x_127 = lean_box(0);
 x_128 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_128, 0, x_127);
-lean_ctor_set(x_128, 1, x_7);
+lean_ctor_set(x_128, 1, x_91);
 return x_128;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+lean_dec(x_2);
+x_129 = lean_box(0);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_9);
+return x_130;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-uint8_t x_13; 
-x_13 = lean_usize_dec_lt(x_5, x_4);
-if (x_13 == 0)
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
 {
-lean_object* x_14; 
+lean_object* x_16; 
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_6);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_array_uget(x_6, x_5);
-x_16 = lean_unsigned_to_nat(0u);
-x_17 = lean_array_uset(x_6, x_5, x_16);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
+lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_15, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_18) == 0)
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_19; lean_object* x_20; size_t x_21; size_t x_22; lean_object* x_23; 
-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 = 1;
-x_22 = lean_usize_add(x_5, x_21);
-x_23 = lean_array_uset(x_17, x_5, x_19);
-x_5 = x_22;
-x_6 = x_23;
-x_12 = x_20;
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+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 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
 goto _start;
 }
 else
 {
-uint8_t x_25; 
-lean_dec(x_17);
+uint8_t x_27; 
+lean_dec(x_19);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_25 = !lean_is_exclusive(x_18);
-if (x_25 == 0)
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
 {
-return x_18;
+return x_20;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_18, 0);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(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);
-return x_28;
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+x_30 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+return x_30;
 }
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
 _start:
 {
-uint8_t x_17; 
-x_17 = lean_nat_dec_le(x_8, x_7);
-if (x_17 == 0)
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_8, x_7);
+if (x_18 == 0)
 {
-lean_object* x_18; uint8_t x_19; 
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_nat_dec_eq(x_6, x_18);
-if (x_19 == 0)
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_nat_dec_eq(x_6, x_19);
+if (x_20 == 0)
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_unsigned_to_nat(1u);
-x_21 = lean_nat_sub(x_6, x_20);
+lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_sub(x_6, x_21);
 lean_dec(x_6);
-x_22 = lean_nat_dec_eq(x_4, x_7);
-if (x_22 == 0)
+x_23 = lean_nat_dec_eq(x_4, x_7);
+if (x_23 == 0)
 {
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_2, 3);
-lean_inc(x_23);
-x_24 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_23, x_7);
-lean_dec(x_23);
-if (x_24 == 0)
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_2, 3);
+lean_inc(x_24);
+x_25 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_24, x_7);
+lean_dec(x_24);
+if (x_25 == 0)
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = l_Lean_instInhabitedExpr;
-x_26 = lean_array_get(x_25, x_5, x_7);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = l_Lean_instInhabitedExpr;
+x_27 = lean_array_get(x_26, x_5, x_7);
+lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
-lean_inc(x_11);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_26, x_11, x_12, x_13, x_14, x_15, x_16);
-if (lean_obj_tag(x_27) == 0)
+x_28 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(x_1, x_2, x_3, x_27, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_28) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_27, 1);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
-lean_dec(x_27);
-x_30 = lean_array_push(x_10, x_28);
-x_31 = lean_nat_add(x_7, x_9);
+x_30 = lean_ctor_get(x_28, 1);
+lean_inc(x_30);
+lean_dec(x_28);
+x_31 = lean_array_push(x_10, x_29);
+x_32 = lean_nat_add(x_7, x_9);
 lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_31;
-x_10 = x_30;
-x_16 = x_29;
+x_6 = x_22;
+x_7 = x_32;
+x_10 = x_31;
+x_17 = x_30;
 goto _start;
 }
 else
 {
-uint8_t x_33; 
-lean_dec(x_21);
+uint8_t x_34; 
+lean_dec(x_22);
+lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
-lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_7);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_33 = !lean_is_exclusive(x_27);
-if (x_33 == 0)
+x_34 = !lean_is_exclusive(x_28);
+if (x_34 == 0)
 {
-return x_27;
+return x_28;
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_27, 0);
-x_35 = lean_ctor_get(x_27, 1);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_28, 0);
+x_36 = lean_ctor_get(x_28, 1);
+lean_inc(x_36);
 lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_27);
-x_36 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_36, 0, x_34);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
+lean_dec(x_28);
+x_37 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
 }
 }
 }
 else
 {
-lean_object* x_37; 
-x_37 = lean_nat_add(x_7, x_9);
+lean_object* x_38; 
+x_38 = lean_nat_add(x_7, x_9);
 lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_37;
+x_6 = x_22;
+x_7 = x_38;
 goto _start;
 }
 }
 else
 {
-lean_object* x_39; 
-x_39 = lean_nat_add(x_7, x_9);
+lean_object* x_40; 
+x_40 = lean_nat_add(x_7, x_9);
 lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_39;
+x_6 = x_22;
+x_7 = x_40;
 goto _start;
 }
 }
 else
 {
-lean_object* x_41; 
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_10);
-lean_ctor_set(x_41, 1, x_16);
-return x_41;
-}
-}
-else
-{
 lean_object* x_42; 
+lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
-lean_dec(x_11);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
@@ -3238,87 +3293,122 @@ lean_dec(x_2);
 lean_dec(x_1);
 x_42 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_42, 0, x_10);
-lean_ctor_set(x_42, 1, x_16);
+lean_ctor_set(x_42, 1, x_17);
 return x_42;
 }
 }
+else
+{
+lean_object* x_43; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_10);
+lean_ctor_set(x_43, 1, x_17);
+return x_43;
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_8 = lean_ctor_get(x_5, 3);
-x_9 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
 {
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_9, 0);
-lean_inc(x_8);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_8);
-lean_ctor_set(x_12, 1, x_11);
-lean_ctor_set_tag(x_9, 1);
-lean_ctor_set(x_9, 0, x_12);
-return x_9;
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_13 = lean_ctor_get(x_9, 0);
-x_14 = lean_ctor_get(x_9, 1);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
 lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_9);
-lean_inc(x_8);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_8);
-lean_ctor_set(x_15, 1, x_13);
-x_16 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
 lean_ctor_set(x_16, 1, x_14);
-return x_16;
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(lean_object* x_1) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_8 = lean_ctor_get(x_5, 3);
-x_9 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
 {
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_9, 0);
-lean_inc(x_8);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_8);
-lean_ctor_set(x_12, 1, x_11);
-lean_ctor_set_tag(x_9, 1);
-lean_ctor_set(x_9, 0, x_12);
-return x_9;
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_13 = lean_ctor_get(x_9, 0);
-x_14 = lean_ctor_get(x_9, 1);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
 lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_9);
-lean_inc(x_8);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_8);
-lean_ctor_set(x_15, 1, x_13);
-x_16 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
 lean_ctor_set(x_16, 1, x_14);
-return x_16;
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg___boxed), 8, 0);
+return x_2;
+}
+}
 static lean_object* _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1() {
 _start:
 {
@@ -3328,68 +3418,68 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_14 = lean_array_get_size(x_1);
-x_15 = l_Array_extract___rarg(x_1, x_2, x_14);
-x_16 = lean_array_get_size(x_15);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
-lean_inc(x_16);
-x_20 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(x_3, x_4, x_5, x_6, x_15, x_16, x_17, x_16, x_18, x_19, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_15 = lean_array_get_size(x_1);
+x_16 = l_Array_extract___rarg(x_1, x_2, x_15);
+x_17 = lean_array_get_size(x_16);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
+lean_inc(x_17);
+x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(x_3, x_4, x_5, x_6, x_16, x_17, x_18, x_17, x_19, x_20, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_17);
 lean_dec(x_16);
-lean_dec(x_15);
-if (lean_obj_tag(x_20) == 0)
+if (lean_obj_tag(x_21) == 0)
 {
-uint8_t x_21; 
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_20, 0);
-x_23 = l_Lean_mkAppN(x_7, x_22);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+x_24 = l_Lean_mkAppN(x_7, x_23);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_20, 0);
-x_25 = lean_ctor_get(x_20, 1);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_21, 0);
+x_26 = lean_ctor_get(x_21, 1);
+lean_inc(x_26);
 lean_inc(x_25);
-lean_inc(x_24);
-lean_dec(x_20);
-x_26 = l_Lean_mkAppN(x_7, x_24);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_25);
-return x_27;
+lean_dec(x_21);
+x_27 = l_Lean_mkAppN(x_7, x_25);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+return x_28;
 }
 }
 else
 {
-uint8_t x_28; 
+uint8_t x_29; 
 lean_dec(x_7);
-x_28 = !lean_is_exclusive(x_20);
-if (x_28 == 0)
+x_29 = !lean_is_exclusive(x_21);
+if (x_29 == 0)
 {
-return x_20;
+return x_21;
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_20, 0);
-x_30 = lean_ctor_get(x_20, 1);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_21, 0);
+x_31 = lean_ctor_get(x_21, 1);
+lean_inc(x_31);
 lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_20);
-x_31 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_31, 0, x_29);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
+lean_dec(x_21);
+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;
 }
 }
 }
@@ -3411,133 +3501,137 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
 _start:
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-lean_dec(x_9);
-x_16 = l_Lean_instInhabitedExpr;
-x_17 = lean_array_get(x_16, x_1, x_2);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_10);
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = lean_array_get(x_18, x_1, x_2);
 lean_dec(x_2);
+lean_inc(x_16);
+lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_5);
+lean_inc(x_6);
 lean_inc(x_4);
 lean_inc(x_3);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_17, x_10, x_11, x_12, x_13, x_14, x_15);
-if (lean_obj_tag(x_18) == 0)
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_6, x_19, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-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_4, 6);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
-x_22 = lean_array_get_size(x_21);
-lean_dec(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_4, 6);
+lean_inc(x_23);
+x_24 = lean_array_get_size(x_23);
+lean_dec(x_23);
+lean_inc(x_16);
+lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_5);
-x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_5, x_22, x_19, x_11, x_12, x_13, x_14, x_20);
-if (lean_obj_tag(x_23) == 0)
+lean_inc(x_6);
+x_25 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_6, x_24, x_21, x_13, x_14, x_15, x_16, x_22);
+if (lean_obj_tag(x_25) == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(x_1, x_6, x_3, x_4, x_5, x_7, x_24, x_10, x_11, x_12, x_13, x_14, x_25);
-lean_dec(x_7);
-return x_26;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_27 = lean_ctor_get(x_23, 1);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_dec(x_9);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
-lean_dec(x_23);
-x_28 = l_Lean_indentExpr(x_8);
-x_29 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-x_31 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(x_32, x_10, x_11, x_12, x_13, x_14, x_27);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(x_1, x_7, x_3, x_4, x_6, x_8, x_26, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
 lean_dec(x_11);
-lean_dec(x_10);
-x_34 = !lean_is_exclusive(x_33);
-if (x_34 == 0)
-{
-return x_33;
+lean_dec(x_8);
+return x_28;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_33, 0);
-x_36 = lean_ctor_get(x_33, 1);
-lean_inc(x_36);
-lean_inc(x_35);
-lean_dec(x_33);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
+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_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_38 = !lean_is_exclusive(x_18);
-if (x_38 == 0)
+x_29 = lean_ctor_get(x_25, 1);
+lean_inc(x_29);
+lean_dec(x_25);
+x_30 = l_Lean_indentExpr(x_9);
+x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_30);
+x_33 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg(x_34, x_11, x_12, x_13, x_14, x_15, x_16, x_29);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
 {
-return x_18;
+return x_35;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_18, 0);
-x_40 = lean_ctor_get(x_18, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_18);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_35, 0);
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_35);
+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
+{
+uint8_t x_40; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_20);
+if (x_40 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_20, 0);
+x_42 = lean_ctor_get(x_20, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_20);
+x_43 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
 }
 }
 }
@@ -3559,597 +3653,389 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-if (lean_obj_tag(x_5) == 5)
+if (lean_obj_tag(x_6) == 5)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_5, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_5, 1);
-lean_inc(x_15);
-lean_dec(x_5);
-x_16 = lean_array_set(x_6, x_7, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_7, x_17);
-lean_dec(x_7);
-x_5 = x_14;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_6, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_6, 1);
+lean_inc(x_17);
+lean_dec(x_6);
+x_18 = lean_array_set(x_7, x_8, x_17);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_8, x_19);
+lean_dec(x_8);
 x_6 = x_16;
 x_7 = x_18;
+x_8 = x_20;
 goto _start;
 }
 else
 {
-uint8_t x_20; 
-lean_dec(x_7);
-x_20 = l_Lean_Expr_isConstOf(x_5, x_1);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-lean_dec(x_4);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_5, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_6);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_25, x_26, x_6, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
-}
-}
-}
-else
-{
-uint8_t x_39; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
+uint8_t x_22; 
 lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-lean_dec(x_5);
-x_43 = lean_ctor_get(x_2, 0);
-lean_inc(x_43);
-x_44 = lean_array_get_size(x_43);
-lean_dec(x_43);
-x_45 = lean_ctor_get(x_2, 2);
-lean_inc(x_45);
-x_46 = lean_nat_add(x_44, x_45);
-x_47 = lean_array_get_size(x_6);
-x_48 = lean_nat_dec_le(x_47, x_46);
-lean_dec(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_box(0);
-x_50 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(x_6, x_46, x_1, x_2, x_3, x_44, x_45, x_4, x_49, x_8, x_9, x_10, x_11, x_12, x_13);
-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; uint8_t x_57; 
-lean_dec(x_46);
-lean_dec(x_45);
-lean_dec(x_44);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_51 = l_Lean_indentExpr(x_4);
-x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
-x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-x_54 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_55, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
-{
-return x_56;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-x_59 = lean_ctor_get(x_56, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_56);
-x_60 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-uint8_t x_13; 
-x_13 = lean_usize_dec_lt(x_5, x_4);
-if (x_13 == 0)
-{
-lean_object* x_14; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_6);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_array_uget(x_6, x_5);
-x_16 = lean_unsigned_to_nat(0u);
-x_17 = lean_array_uset(x_6, x_5, x_16);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_15, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; lean_object* x_20; size_t x_21; size_t x_22; lean_object* x_23; 
-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 = 1;
-x_22 = lean_usize_add(x_5, x_21);
-x_23 = lean_array_uset(x_17, x_5, x_19);
-x_5 = x_22;
-x_6 = x_23;
-x_12 = x_20;
-goto _start;
-}
-else
-{
-uint8_t x_25; 
-lean_dec(x_17);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_25 = !lean_is_exclusive(x_18);
-if (x_25 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_18, 0);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(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);
-return x_28;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
-_start:
-{
-uint8_t x_17; 
-x_17 = lean_nat_dec_le(x_8, x_7);
-if (x_17 == 0)
-{
-lean_object* x_18; uint8_t x_19; 
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_nat_dec_eq(x_6, x_18);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_unsigned_to_nat(1u);
-x_21 = lean_nat_sub(x_6, x_20);
-lean_dec(x_6);
-x_22 = lean_nat_dec_eq(x_4, x_7);
+x_22 = l_Lean_Expr_isConstOf(x_6, x_1);
 if (x_22 == 0)
 {
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_2, 3);
-lean_inc(x_23);
-x_24 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_23, x_7);
-lean_dec(x_23);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = l_Lean_instInhabitedExpr;
-x_26 = lean_array_get(x_25, x_5, x_7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_26, x_11, x_12, x_13, x_14, x_15, x_16);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-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 = lean_array_push(x_10, x_28);
-x_31 = lean_nat_add(x_7, x_9);
-lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_31;
-x_10 = x_30;
-x_16 = x_29;
-goto _start;
-}
-else
-{
-uint8_t x_33; 
-lean_dec(x_21);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_33 = !lean_is_exclusive(x_27);
-if (x_33 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_27, 0);
-x_35 = lean_ctor_get(x_27, 1);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_27);
-x_36 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_36, 0, x_34);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
-}
-}
-}
-else
-{
-lean_object* x_37; 
-x_37 = lean_nat_add(x_7, x_9);
-lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_37;
-goto _start;
-}
-}
-else
-{
-lean_object* x_39; 
-x_39 = lean_nat_add(x_7, x_9);
-lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_39;
-goto _start;
-}
-}
-else
-{
-lean_object* x_41; 
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_10);
-lean_ctor_set(x_41, 1, x_16);
-return x_41;
-}
-}
-else
-{
-lean_object* x_42; 
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_10);
-lean_ctor_set(x_42, 1, x_16);
-return x_42;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 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_array_get_size(x_1);
-x_15 = l_Array_extract___rarg(x_1, x_2, x_14);
-x_16 = lean_array_get_size(x_15);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
-lean_inc(x_16);
-x_20 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9(x_3, x_4, x_5, x_6, x_15, x_16, x_17, x_16, x_18, x_19, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_16);
-lean_dec(x_15);
-if (lean_obj_tag(x_20) == 0)
-{
-uint8_t x_21; 
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_20, 0);
-x_23 = l_Lean_mkAppN(x_7, x_22);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_20, 0);
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_dec(x_20);
-x_26 = l_Lean_mkAppN(x_7, x_24);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_25);
-return x_27;
-}
-}
-else
-{
-uint8_t x_28; 
-lean_dec(x_7);
-x_28 = !lean_is_exclusive(x_20);
-if (x_28 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_20, 0);
-x_30 = lean_ctor_get(x_20, 1);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_20);
-x_31 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_31, 0, x_29);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-lean_dec(x_9);
-x_16 = l_Lean_instInhabitedExpr;
-x_17 = lean_array_get(x_16, x_1, x_2);
-lean_dec(x_2);
+lean_object* x_23; 
+lean_dec(x_5);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_5);
+lean_inc(x_9);
 lean_inc(x_4);
 lean_inc(x_3);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_17, x_10, x_11, x_12, x_13, x_14, x_15);
-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; 
-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_4, 6);
-lean_inc(x_21);
-x_22 = lean_array_get_size(x_21);
-lean_dec(x_21);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_5);
-x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_5, x_22, x_19, x_11, x_12, x_13, x_14, x_20);
+lean_inc(x_2);
+lean_inc(x_1);
+x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_6, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
 lean_inc(x_25);
 lean_dec(x_23);
-x_26 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1(x_1, x_6, x_3, x_4, x_5, x_7, x_24, x_10, x_11, x_12, x_13, x_14, x_25);
-lean_dec(x_7);
-return x_26;
+x_26 = lean_array_get_size(x_7);
+x_27 = lean_usize_of_nat(x_26);
+lean_dec(x_26);
+x_28 = 0;
+x_29 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_4, x_27, x_28, x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+if (lean_obj_tag(x_29) == 0)
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_29, 0);
+x_32 = l_Lean_mkAppN(x_24, x_31);
+lean_ctor_set(x_29, 0, x_32);
+return x_29;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_dec(x_23);
-x_28 = l_Lean_indentExpr(x_8);
-x_29 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-x_31 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(x_32, x_10, x_11, x_12, x_13, x_14, x_27);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_29);
+x_35 = l_Lean_mkAppN(x_24, x_33);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+return x_36;
+}
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_24);
+x_37 = !lean_is_exclusive(x_29);
+if (x_37 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_29, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_29);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-x_34 = !lean_is_exclusive(x_33);
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = !lean_is_exclusive(x_23);
+if (x_41 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_23, 0);
+x_43 = lean_ctor_get(x_23, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_23);
+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
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+lean_dec(x_6);
+x_45 = lean_ctor_get(x_2, 0);
+lean_inc(x_45);
+x_46 = lean_array_get_size(x_45);
+lean_dec(x_45);
+x_47 = lean_ctor_get(x_2, 2);
+lean_inc(x_47);
+x_48 = lean_nat_add(x_46, x_47);
+x_49 = lean_array_get_size(x_7);
+x_50 = lean_nat_dec_le(x_49, x_48);
+lean_dec(x_49);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_box(0);
+x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(x_7, x_48, x_1, x_2, x_3, x_4, x_46, x_47, x_5, x_51, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_52;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+lean_dec(x_48);
+lean_dec(x_47);
+lean_dec(x_46);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_53 = l_Lean_indentExpr(x_5);
+x_54 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_53);
+x_56 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_57 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+x_58 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg(x_57, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+return x_58;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_58, 0);
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+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 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+x_30 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+return x_30;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
+_start:
+{
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_8, x_7);
+if (x_18 == 0)
+{
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_nat_dec_eq(x_6, x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_sub(x_6, x_21);
+lean_dec(x_6);
+x_23 = lean_nat_dec_eq(x_4, x_7);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_2, 3);
+lean_inc(x_24);
+x_25 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_24, x_7);
+lean_dec(x_24);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = l_Lean_instInhabitedExpr;
+x_27 = lean_array_get(x_26, x_5, x_7);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_28 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(x_1, x_2, x_3, x_27, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_28) == 0)
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_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_array_push(x_10, x_29);
+x_32 = lean_nat_add(x_7, x_9);
+lean_dec(x_7);
+x_6 = x_22;
+x_7 = x_32;
+x_10 = x_31;
+x_17 = x_30;
+goto _start;
+}
+else
+{
+uint8_t x_34; 
+lean_dec(x_22);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_34 = !lean_is_exclusive(x_28);
 if (x_34 == 0)
 {
-return x_33;
+return x_28;
 }
 else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_33, 0);
-x_36 = lean_ctor_get(x_33, 1);
+x_35 = lean_ctor_get(x_28, 0);
+x_36 = lean_ctor_get(x_28, 1);
 lean_inc(x_36);
 lean_inc(x_35);
-lean_dec(x_33);
+lean_dec(x_28);
 x_37 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
@@ -4159,465 +4045,32 @@ return x_37;
 }
 else
 {
-uint8_t x_38; 
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_8);
+lean_object* x_38; 
+x_38 = lean_nat_add(x_7, x_9);
 lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_38 = !lean_is_exclusive(x_18);
-if (x_38 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_18, 0);
-x_40 = lean_ctor_get(x_18, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_18);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(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:
-{
-if (lean_obj_tag(x_5) == 5)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_5, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_5, 1);
-lean_inc(x_15);
-lean_dec(x_5);
-x_16 = lean_array_set(x_6, x_7, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_7, x_17);
-lean_dec(x_7);
-x_5 = x_14;
-x_6 = x_16;
-x_7 = x_18;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_7);
-x_20 = l_Lean_Expr_isConstOf(x_5, x_1);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-lean_dec(x_4);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_5, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_6);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_25, x_26, x_6, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
-}
-}
-}
-else
-{
-uint8_t x_39; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-lean_dec(x_5);
-x_43 = lean_ctor_get(x_2, 0);
-lean_inc(x_43);
-x_44 = lean_array_get_size(x_43);
-lean_dec(x_43);
-x_45 = lean_ctor_get(x_2, 2);
-lean_inc(x_45);
-x_46 = lean_nat_add(x_44, x_45);
-x_47 = lean_array_get_size(x_6);
-x_48 = lean_nat_dec_le(x_47, x_46);
-lean_dec(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_box(0);
-x_50 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__2(x_6, x_46, x_1, x_2, x_3, x_44, x_45, x_4, x_49, x_8, x_9, x_10, x_11, x_12, x_13);
-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; uint8_t x_57; 
-lean_dec(x_46);
-lean_dec(x_45);
-lean_dec(x_44);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_51 = l_Lean_indentExpr(x_4);
-x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
-x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-x_54 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_55, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
-{
-return x_56;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-x_59 = lean_ctor_get(x_56, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_56);
-x_60 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-uint8_t x_13; 
-x_13 = lean_usize_dec_lt(x_5, x_4);
-if (x_13 == 0)
-{
-lean_object* x_14; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_6);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_array_uget(x_6, x_5);
-x_16 = lean_unsigned_to_nat(0u);
-x_17 = lean_array_uset(x_6, x_5, x_16);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_15, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; lean_object* x_20; size_t x_21; size_t x_22; lean_object* x_23; 
-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 = 1;
-x_22 = lean_usize_add(x_5, x_21);
-x_23 = lean_array_uset(x_17, x_5, x_19);
-x_5 = x_22;
-x_6 = x_23;
-x_12 = x_20;
-goto _start;
-}
-else
-{
-uint8_t x_25; 
-lean_dec(x_17);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_25 = !lean_is_exclusive(x_18);
-if (x_25 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_18, 0);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(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);
-return x_28;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_14, lean_object* x_15, lean_object* x_16) {
-_start:
-{
-uint8_t x_17; 
-x_17 = lean_nat_dec_le(x_8, x_7);
-if (x_17 == 0)
-{
-lean_object* x_18; uint8_t x_19; 
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_nat_dec_eq(x_6, x_18);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_unsigned_to_nat(1u);
-x_21 = lean_nat_sub(x_6, x_20);
-lean_dec(x_6);
-x_22 = lean_nat_dec_eq(x_4, x_7);
-if (x_22 == 0)
-{
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_2, 3);
-lean_inc(x_23);
-x_24 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_23, x_7);
-lean_dec(x_23);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = l_Lean_instInhabitedExpr;
-x_26 = lean_array_get(x_25, x_5, x_7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_26, x_11, x_12, x_13, x_14, x_15, x_16);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-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 = lean_array_push(x_10, x_28);
-x_31 = lean_nat_add(x_7, x_9);
-lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_31;
-x_10 = x_30;
-x_16 = x_29;
-goto _start;
-}
-else
-{
-uint8_t x_33; 
-lean_dec(x_21);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_33 = !lean_is_exclusive(x_27);
-if (x_33 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_27, 0);
-x_35 = lean_ctor_get(x_27, 1);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_27);
-x_36 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_36, 0, x_34);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
-}
-}
-}
-else
-{
-lean_object* x_37; 
-x_37 = lean_nat_add(x_7, x_9);
-lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_37;
+x_6 = x_22;
+x_7 = x_38;
 goto _start;
 }
 }
 else
 {
-lean_object* x_39; 
-x_39 = lean_nat_add(x_7, x_9);
+lean_object* x_40; 
+x_40 = lean_nat_add(x_7, x_9);
 lean_dec(x_7);
-x_6 = x_21;
-x_7 = x_39;
+x_6 = x_22;
+x_7 = x_40;
 goto _start;
 }
 }
 else
 {
-lean_object* x_41; 
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_10);
-lean_ctor_set(x_41, 1, x_16);
-return x_41;
-}
-}
-else
-{
 lean_object* x_42; 
+lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
-lean_dec(x_11);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
@@ -4625,165 +4078,706 @@ lean_dec(x_2);
 lean_dec(x_1);
 x_42 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_42, 0, x_10);
-lean_ctor_set(x_42, 1, x_16);
+lean_ctor_set(x_42, 1, x_17);
 return x_42;
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
+else
 {
-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_array_get_size(x_1);
-x_15 = l_Array_extract___rarg(x_1, x_2, x_14);
-x_16 = lean_array_get_size(x_15);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
-lean_inc(x_16);
-x_20 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12(x_3, x_4, x_5, x_6, x_15, x_16, x_17, x_16, x_18, x_19, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_object* x_43; 
 lean_dec(x_16);
 lean_dec(x_15);
-if (lean_obj_tag(x_20) == 0)
-{
-uint8_t x_21; 
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_20, 0);
-x_23 = l_Lean_mkAppN(x_7, x_22);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_20, 0);
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_dec(x_20);
-x_26 = l_Lean_mkAppN(x_7, x_24);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_25);
-return x_27;
-}
-}
-else
-{
-uint8_t x_28; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_7);
-x_28 = !lean_is_exclusive(x_20);
-if (x_28 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_20, 0);
-x_30 = lean_ctor_get(x_20, 1);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_20);
-x_31 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_31, 0, x_29);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_10);
+lean_ctor_set(x_43, 1, x_17);
+return x_43;
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-lean_dec(x_9);
-x_16 = l_Lean_instInhabitedExpr;
-x_17 = lean_array_get(x_16, x_1, x_2);
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_15 = lean_array_get_size(x_1);
+x_16 = l_Array_extract___rarg(x_1, x_2, x_15);
+x_17 = lean_array_get_size(x_16);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
+lean_inc(x_17);
+x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9(x_3, x_4, x_5, x_6, x_16, x_17, x_18, x_17, x_19, x_20, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_17);
+lean_dec(x_16);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+x_24 = l_Lean_mkAppN(x_7, x_23);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_21, 0);
+x_26 = lean_ctor_get(x_21, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_21);
+x_27 = l_Lean_mkAppN(x_7, x_25);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+return x_28;
+}
+}
+else
+{
+uint8_t x_29; 
+lean_dec(x_7);
+x_29 = !lean_is_exclusive(x_21);
+if (x_29 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_21, 0);
+x_31 = lean_ctor_get(x_21, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_21);
+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_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
+_start:
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_10);
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = lean_array_get(x_18, x_1, x_2);
 lean_dec(x_2);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_6);
+lean_inc(x_4);
+lean_inc(x_3);
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_6, x_19, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+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_4, 6);
+lean_inc(x_23);
+x_24 = lean_array_get_size(x_23);
+lean_dec(x_23);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_6);
+x_25 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_6, x_24, x_21, x_13, x_14, x_15, x_16, x_22);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_dec(x_9);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1(x_1, x_7, x_3, x_4, x_6, x_8, x_26, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
+lean_dec(x_11);
+lean_dec(x_8);
+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; uint8_t x_36; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_29 = lean_ctor_get(x_25, 1);
+lean_inc(x_29);
+lean_dec(x_25);
+x_30 = l_Lean_indentExpr(x_9);
+x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_30);
+x_33 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg(x_34, x_11, x_12, x_13, x_14, x_15, x_16, x_29);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_35, 0);
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_35);
+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
+{
+uint8_t x_40; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_20);
+if (x_40 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_20, 0);
+x_42 = lean_ctor_get(x_20, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_20);
+x_43 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_14, lean_object* x_15) {
+_start:
+{
+if (lean_obj_tag(x_6) == 5)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_6, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_6, 1);
+lean_inc(x_17);
+lean_dec(x_6);
+x_18 = lean_array_set(x_7, x_8, x_17);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_8, x_19);
+lean_dec(x_8);
+x_6 = x_16;
+x_7 = x_18;
+x_8 = x_20;
+goto _start;
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_8);
+x_22 = l_Lean_Expr_isConstOf(x_6, x_1);
+if (x_22 == 0)
+{
+lean_object* x_23; 
+lean_dec(x_5);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_5);
+lean_inc(x_9);
 lean_inc(x_4);
 lean_inc(x_3);
-x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_17, x_10, x_11, x_12, x_13, x_14, x_15);
-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; 
-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_4, 6);
-lean_inc(x_21);
-x_22 = lean_array_get_size(x_21);
-lean_dec(x_21);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_5);
-x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_5, x_22, x_19, x_11, x_12, x_13, x_14, x_20);
+lean_inc(x_2);
+lean_inc(x_1);
+x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_6, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
 lean_inc(x_25);
 lean_dec(x_23);
-x_26 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1(x_1, x_6, x_3, x_4, x_5, x_7, x_24, x_10, x_11, x_12, x_13, x_14, x_25);
-lean_dec(x_7);
-return x_26;
+x_26 = lean_array_get_size(x_7);
+x_27 = lean_usize_of_nat(x_26);
+lean_dec(x_26);
+x_28 = 0;
+x_29 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_4, x_27, x_28, x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+if (lean_obj_tag(x_29) == 0)
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_29, 0);
+x_32 = l_Lean_mkAppN(x_24, x_31);
+lean_ctor_set(x_29, 0, x_32);
+return x_29;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_dec(x_23);
-x_28 = l_Lean_indentExpr(x_8);
-x_29 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-x_31 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(x_32, x_10, x_11, x_12, x_13, x_14, x_27);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_29);
+x_35 = l_Lean_mkAppN(x_24, x_33);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+return x_36;
+}
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_24);
+x_37 = !lean_is_exclusive(x_29);
+if (x_37 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_29, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_29);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-x_34 = !lean_is_exclusive(x_33);
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = !lean_is_exclusive(x_23);
+if (x_41 == 0)
+{
+return x_23;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_23, 0);
+x_43 = lean_ctor_get(x_23, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_23);
+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
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+lean_dec(x_6);
+x_45 = lean_ctor_get(x_2, 0);
+lean_inc(x_45);
+x_46 = lean_array_get_size(x_45);
+lean_dec(x_45);
+x_47 = lean_ctor_get(x_2, 2);
+lean_inc(x_47);
+x_48 = lean_nat_add(x_46, x_47);
+x_49 = lean_array_get_size(x_7);
+x_50 = lean_nat_dec_le(x_49, x_48);
+lean_dec(x_49);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_box(0);
+x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2(x_7, x_48, x_1, x_2, x_3, x_4, x_46, x_47, x_5, x_51, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_52;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+lean_dec(x_48);
+lean_dec(x_47);
+lean_dec(x_46);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_53 = l_Lean_indentExpr(x_5);
+x_54 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_53);
+x_56 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_57 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+x_58 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg(x_57, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+return x_58;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_58, 0);
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; 
+x_15 = lean_usize_dec_lt(x_6, x_5);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_array_uget(x_7, x_6);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
+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 = 1;
+x_24 = lean_usize_add(x_6, x_23);
+x_25 = lean_array_uset(x_19, x_6, x_21);
+x_6 = x_24;
+x_7 = x_25;
+x_14 = x_22;
+goto _start;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_19);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+x_29 = lean_ctor_get(x_20, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_20);
+x_30 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+return x_30;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
+_start:
+{
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_8, x_7);
+if (x_18 == 0)
+{
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_nat_dec_eq(x_6, x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_sub(x_6, x_21);
+lean_dec(x_6);
+x_23 = lean_nat_dec_eq(x_4, x_7);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_2, 3);
+lean_inc(x_24);
+x_25 = l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(x_24, x_7);
+lean_dec(x_24);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = l_Lean_instInhabitedExpr;
+x_27 = lean_array_get(x_26, x_5, x_7);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_28 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(x_1, x_2, x_3, x_27, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_28) == 0)
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_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_array_push(x_10, x_29);
+x_32 = lean_nat_add(x_7, x_9);
+lean_dec(x_7);
+x_6 = x_22;
+x_7 = x_32;
+x_10 = x_31;
+x_17 = x_30;
+goto _start;
+}
+else
+{
+uint8_t x_34; 
+lean_dec(x_22);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_10);
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_34 = !lean_is_exclusive(x_28);
 if (x_34 == 0)
 {
-return x_33;
+return x_28;
 }
 else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_33, 0);
-x_36 = lean_ctor_get(x_33, 1);
+x_35 = lean_ctor_get(x_28, 0);
+x_36 = lean_ctor_get(x_28, 1);
 lean_inc(x_36);
 lean_inc(x_35);
-lean_dec(x_33);
+lean_dec(x_28);
 x_37 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
@@ -4793,244 +4787,612 @@ return x_37;
 }
 else
 {
-uint8_t x_38; 
+lean_object* x_38; 
+x_38 = lean_nat_add(x_7, x_9);
+lean_dec(x_7);
+x_6 = x_22;
+x_7 = x_38;
+goto _start;
+}
+}
+else
+{
+lean_object* x_40; 
+x_40 = lean_nat_add(x_7, x_9);
+lean_dec(x_7);
+x_6 = x_22;
+x_7 = x_40;
+goto _start;
+}
+}
+else
+{
+lean_object* x_42; 
+lean_dec(x_16);
+lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_38 = !lean_is_exclusive(x_18);
-if (x_38 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_18, 0);
-x_40 = lean_ctor_get(x_18, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_18);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(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:
-{
-if (lean_obj_tag(x_5) == 5)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_5, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_5, 1);
-lean_inc(x_15);
-lean_dec(x_5);
-x_16 = lean_array_set(x_6, x_7, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_sub(x_7, x_17);
-lean_dec(x_7);
-x_5 = x_14;
-x_6 = x_16;
-x_7 = x_18;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_7);
-x_20 = l_Lean_Expr_isConstOf(x_5, x_1);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-lean_dec(x_4);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_5, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_6);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(x_1, x_2, x_3, x_25, x_26, x_6, x_8, x_9, x_10, x_11, x_12, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
-}
-}
-}
-else
-{
-uint8_t x_39; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_10);
+lean_ctor_set(x_42, 1, x_17);
+return x_42;
+}
+}
+else
+{
+lean_object* x_43; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_10);
+lean_ctor_set(x_43, 1, x_17);
+return x_43;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_15 = lean_array_get_size(x_1);
+x_16 = l_Array_extract___rarg(x_1, x_2, x_15);
+x_17 = lean_array_get_size(x_16);
+x_18 = lean_unsigned_to_nat(0u);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
+lean_inc(x_17);
+x_21 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_3, x_4, x_5, x_6, x_16, x_17, x_18, x_17, x_19, x_20, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_17);
+lean_dec(x_16);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+x_24 = l_Lean_mkAppN(x_7, x_23);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_25 = lean_ctor_get(x_21, 0);
+x_26 = lean_ctor_get(x_21, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_21);
+x_27 = l_Lean_mkAppN(x_7, x_25);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+return x_28;
+}
+}
+else
+{
+uint8_t x_29; 
+lean_dec(x_7);
+x_29 = !lean_is_exclusive(x_21);
+if (x_29 == 0)
 {
 return x_21;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_21, 0);
+x_31 = lean_ctor_get(x_21, 1);
+lean_inc(x_31);
+lean_inc(x_30);
 lean_dec(x_21);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
+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;
 }
 }
 }
-else
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
+_start:
 {
-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_dec(x_5);
-x_43 = lean_ctor_get(x_2, 0);
-lean_inc(x_43);
-x_44 = lean_array_get_size(x_43);
-lean_dec(x_43);
-x_45 = lean_ctor_get(x_2, 2);
-lean_inc(x_45);
-x_46 = lean_nat_add(x_44, x_45);
-x_47 = lean_array_get_size(x_6);
-x_48 = lean_nat_dec_le(x_47, x_46);
-lean_dec(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_box(0);
-x_50 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__2(x_6, x_46, x_1, x_2, x_3, x_44, x_45, x_4, x_49, x_8, x_9, x_10, x_11, x_12, x_13);
-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; uint8_t x_57; 
-lean_dec(x_46);
-lean_dec(x_45);
-lean_dec(x_44);
-lean_dec(x_6);
-lean_dec(x_3);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_dec(x_10);
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = lean_array_get(x_18, x_1, x_2);
 lean_dec(x_2);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_6);
+lean_inc(x_4);
+lean_inc(x_3);
+x_20 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_6, x_19, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+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_4, 6);
+lean_inc(x_23);
+x_24 = lean_array_get_size(x_23);
+lean_dec(x_23);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_6);
+x_25 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelow(x_6, x_24, x_21, x_13, x_14, x_15, x_16, x_22);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_dec(x_9);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(x_1, x_7, x_3, x_4, x_6, x_8, x_26, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
+lean_dec(x_11);
+lean_dec(x_8);
+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; uint8_t x_36; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
-x_51 = l_Lean_indentExpr(x_4);
-x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
-x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-x_54 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_55, x_8, x_9, x_10, x_11, x_12, x_13);
+x_29 = lean_ctor_get(x_25, 1);
+lean_inc(x_29);
+lean_dec(x_25);
+x_30 = l_Lean_indentExpr(x_9);
+x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___closed__2;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_30);
+x_33 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg(x_34, x_11, x_12, x_13, x_14, x_15, x_16, x_29);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_35, 0);
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_35);
+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
+{
+uint8_t x_40; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_20);
+if (x_40 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_20, 0);
+x_42 = lean_ctor_get(x_20, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_20);
+x_43 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+if (lean_obj_tag(x_6) == 5)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_6, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_6, 1);
+lean_inc(x_17);
+lean_dec(x_6);
+x_18 = lean_array_set(x_7, x_8, x_17);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_8, x_19);
+lean_dec(x_8);
+x_6 = x_16;
+x_7 = x_18;
+x_8 = x_20;
+goto _start;
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_8);
+x_22 = l_Lean_Expr_isConstOf(x_6, x_1);
+if (x_22 == 0)
+{
+lean_object* x_23; 
+lean_dec(x_5);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_23 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_6, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+x_26 = lean_array_get_size(x_7);
+x_27 = lean_usize_of_nat(x_26);
+lean_dec(x_26);
+x_28 = 0;
+x_29 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_4, x_27, x_28, x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+if (lean_obj_tag(x_29) == 0)
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_29, 0);
+x_32 = l_Lean_mkAppN(x_24, x_31);
+lean_ctor_set(x_29, 0, x_32);
+return x_29;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_29, 0);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_29);
+x_35 = l_Lean_mkAppN(x_24, x_33);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+return x_36;
+}
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_24);
+x_37 = !lean_is_exclusive(x_29);
+if (x_37 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_29, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_29);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
+lean_dec(x_14);
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-lean_dec(x_8);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = !lean_is_exclusive(x_23);
+if (x_41 == 0)
 {
-return x_56;
+return x_23;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-x_59 = lean_ctor_get(x_56, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_56);
-x_60 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_23, 0);
+x_43 = lean_ctor_get(x_23, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_23);
+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
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+lean_dec(x_6);
+x_45 = lean_ctor_get(x_2, 0);
+lean_inc(x_45);
+x_46 = lean_array_get_size(x_45);
+lean_dec(x_45);
+x_47 = lean_ctor_get(x_2, 2);
+lean_inc(x_47);
+x_48 = lean_nat_add(x_46, x_47);
+x_49 = lean_array_get_size(x_7);
+x_50 = lean_nat_dec_le(x_49, x_48);
+lean_dec(x_49);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; 
+x_51 = lean_box(0);
+x_52 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(x_7, x_48, x_1, x_2, x_3, x_4, x_46, x_47, x_5, x_51, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_52;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+lean_dec(x_48);
+lean_dec(x_47);
+lean_dec(x_46);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_53 = l_Lean_indentExpr(x_5);
+x_54 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2;
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_53);
+x_56 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_57 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+x_58 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(x_57, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+return x_58;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_58, 0);
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
 }
 }
 }
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_9 = lean_ctor_get(x_6, 3);
+x_10 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_4, x_5, x_6, x_7, x_8);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_9);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_9);
+lean_ctor_set(x_13, 1, x_12);
+lean_ctor_set_tag(x_10, 1);
+lean_ctor_set(x_10, 0, x_13);
+return x_10;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_14 = lean_ctor_get(x_10, 0);
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_10);
+lean_inc(x_9);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_9);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -5038,17 +5400,17 @@ x_1 = lean_mk_string("_traceMsg");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2() {
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1;
+x_2 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3() {
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -5056,16 +5418,16 @@ x_1 = lean_mk_string("[");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4() {
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3;
+x_1 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__5() {
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -5073,16 +5435,3352 @@ x_1 = lean_mk_string("] ");
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6() {
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__5;
+x_1 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_10 = lean_ctor_get(x_7, 3);
+x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_5, x_6, x_7, x_8, x_9);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_12);
+x_15 = lean_st_ref_take(x_8, x_13);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_16, 3);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = !lean_is_exclusive(x_16);
+if (x_19 == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_16, 3);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_17);
+if (x_21 == 0)
+{
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+x_22 = lean_ctor_get(x_17, 0);
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+x_24 = l_Lean_Name_append(x_1, x_23);
+x_25 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_25, 0, x_1);
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+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
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+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
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+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_14);
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+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_33, 0, x_24);
+lean_ctor_set(x_33, 1, x_32);
+lean_inc(x_10);
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+lean_ctor_set(x_34, 1, x_33);
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+lean_ctor_set(x_17, 0, x_35);
+x_36 = lean_st_ref_set(x_8, x_16, x_18);
+x_37 = !lean_is_exclusive(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_36, 0);
+lean_dec(x_38);
+x_39 = lean_box(0);
+lean_ctor_set(x_36, 0, x_39);
+return x_36;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_36, 1);
+lean_inc(x_40);
+lean_dec(x_36);
+x_41 = lean_box(0);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_40);
+return x_42;
+}
+}
+else
+{
+uint8_t x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_43 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
+x_44 = lean_ctor_get(x_17, 0);
+lean_inc(x_44);
+lean_dec(x_17);
+x_45 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
+x_46 = l_Lean_Name_append(x_1, x_45);
+x_47 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_47, 0, x_1);
+x_48 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4;
+x_49 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_49, 0, x_48);
+lean_ctor_set(x_49, 1, x_47);
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+x_51 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+x_52 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_14);
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+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_55, 0, x_46);
+lean_ctor_set(x_55, 1, x_54);
+lean_inc(x_10);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_10);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = l_Std_PersistentArray_push___rarg(x_44, x_56);
+x_58 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set_uint8(x_58, sizeof(void*)*1, x_43);
+lean_ctor_set(x_16, 3, x_58);
+x_59 = lean_st_ref_set(x_8, x_16, x_18);
+x_60 = lean_ctor_get(x_59, 1);
+lean_inc(x_60);
+if (lean_is_exclusive(x_59)) {
+ lean_ctor_release(x_59, 0);
+ lean_ctor_release(x_59, 1);
+ x_61 = x_59;
+} else {
+ lean_dec_ref(x_59);
+ x_61 = lean_box(0);
+}
+x_62 = lean_box(0);
+if (lean_is_scalar(x_61)) {
+ x_63 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_63 = x_61;
+}
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_60);
+return x_63;
+}
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 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_64 = lean_ctor_get(x_16, 0);
+x_65 = lean_ctor_get(x_16, 1);
+x_66 = lean_ctor_get(x_16, 2);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_dec(x_16);
+x_67 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
+x_68 = lean_ctor_get(x_17, 0);
+lean_inc(x_68);
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ x_69 = x_17;
+} else {
+ lean_dec_ref(x_17);
+ x_69 = lean_box(0);
+}
+x_70 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
+x_71 = l_Lean_Name_append(x_1, x_70);
+x_72 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_72, 0, x_1);
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+x_74 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_72);
+x_75 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6;
+x_76 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_76, 0, x_74);
+lean_ctor_set(x_76, 1, x_75);
+x_77 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_14);
+x_78 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_79 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_79, 0, x_77);
+lean_ctor_set(x_79, 1, x_78);
+x_80 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_80, 0, x_71);
+lean_ctor_set(x_80, 1, x_79);
+lean_inc(x_10);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_10);
+lean_ctor_set(x_81, 1, x_80);
+x_82 = l_Std_PersistentArray_push___rarg(x_68, x_81);
+if (lean_is_scalar(x_69)) {
+ x_83 = lean_alloc_ctor(0, 1, 1);
+} else {
+ x_83 = x_69;
+}
+lean_ctor_set(x_83, 0, x_82);
+lean_ctor_set_uint8(x_83, sizeof(void*)*1, x_67);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_64);
+lean_ctor_set(x_84, 1, x_65);
+lean_ctor_set(x_84, 2, x_66);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_8, x_84, x_18);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = lean_box(0);
+if (lean_is_scalar(x_87)) {
+ x_89 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_89 = x_87;
+}
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_86);
+return x_89;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___boxed), 9, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_ctor_get(x_6, 0);
+x_10 = l_Lean_checkTraceOption(x_9, x_1);
+x_11 = lean_box(x_10);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = lean_apply_9(x_1, x_4, x_5, x_2, x_3, x_6, x_7, x_8, x_9, x_10);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; uint8_t x_11; lean_object* x_12; 
+x_10 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg___lambda__1), 10, 3);
+lean_closure_set(x_10, 0, x_2);
+lean_closure_set(x_10, 1, x_3);
+lean_closure_set(x_10, 2, x_4);
+x_11 = 0;
+x_12 = l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(x_1, x_11, x_10, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_12) == 0)
+{
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_12, 1);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_dec(x_12);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_14);
+lean_ctor_set(x_16, 1, x_15);
+return x_16;
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_12);
+if (x_17 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_12, 0);
+x_19 = lean_ctor_get(x_12, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_12);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg), 9, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_sub(x_1, x_15);
+x_17 = l_Lean_instInhabitedExpr;
+x_18 = lean_array_get(x_17, x_2, x_16);
+lean_dec(x_16);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_19 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_5, x_18, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; uint8_t x_22; uint8_t x_23; uint8_t x_24; lean_object* x_25; 
+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 = 0;
+x_23 = 1;
+x_24 = 1;
+x_25 = l_Lean_Meta_mkLambdaFVars(x_2, x_20, x_22, x_23, x_24, x_10, x_11, x_12, x_13, x_21);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_25;
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_2);
+x_26 = !lean_is_exclusive(x_19);
+if (x_26 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_19, 0);
+x_28 = lean_ctor_get(x_19, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(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);
+return x_29;
+}
+}
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("unexpected matcher application alternative");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("\nat application");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+lean_object* x_17; uint8_t x_18; 
+lean_dec(x_9);
+x_17 = lean_array_get_size(x_2);
+x_18 = lean_nat_dec_le(x_1, x_17);
+lean_dec(x_17);
+if (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; uint8_t x_29; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_19 = l_Lean_indentExpr(x_7);
+x_20 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2;
+x_21 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+x_22 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4;
+x_23 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+x_24 = l_Lean_indentExpr(x_8);
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+x_26 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(x_27, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = lean_ctor_get(x_28, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_28);
+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;
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+lean_dec(x_8);
+lean_dec(x_7);
+x_33 = lean_box(0);
+x_34 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_33, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+return x_34;
+}
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("altNumParams: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(", xs: ");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+uint8_t x_17; lean_object* x_18; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_40 = lean_st_ref_get(x_15, x_16);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_41, 3);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_ctor_get_uint8(x_42, sizeof(void*)*1);
+lean_dec(x_42);
+if (x_43 == 0)
+{
+lean_object* x_44; uint8_t x_45; 
+x_44 = lean_ctor_get(x_40, 1);
+lean_inc(x_44);
+lean_dec(x_40);
+x_45 = 0;
+x_17 = x_45;
+x_18 = x_44;
+goto block_39;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+x_46 = lean_ctor_get(x_40, 1);
+lean_inc(x_46);
+lean_dec(x_40);
+lean_inc(x_7);
+x_47 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg(x_7, x_10, x_11, x_12, x_13, x_14, x_15, x_46);
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = lean_unbox(x_48);
+lean_dec(x_48);
+x_17 = x_50;
+x_18 = x_49;
+goto block_39;
+}
+block_39:
+{
+if (x_17 == 0)
+{
+lean_object* x_19; lean_object* x_20; 
+lean_dec(x_7);
+x_19 = lean_box(0);
+x_20 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2(x_1, x_8, x_2, x_3, x_4, x_9, x_5, x_6, x_19, x_10, x_11, x_12, x_13, x_14, x_15, x_18);
+lean_dec(x_1);
+return x_20;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_inc(x_1);
+x_21 = l_Nat_repr(x_1);
+x_22 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_22, 0, x_21);
+x_23 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2;
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+x_26 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+lean_inc(x_8);
+x_28 = lean_array_to_list(lean_box(0), x_8);
+x_29 = lean_box(0);
+x_30 = l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(x_28, x_29);
+x_31 = l_Lean_MessageData_ofList(x_30);
+lean_dec(x_30);
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_27);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(x_7, x_34, x_10, x_11, x_12, x_13, x_14, x_15, x_18);
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2(x_1, x_8, x_2, x_3, x_4, x_9, x_5, x_6, x_36, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
+lean_dec(x_1);
+return x_38;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_7, x_6);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_8);
+lean_ctor_set(x_17, 1, x_15);
+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; 
+x_18 = lean_array_uget(x_8, x_7);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_array_uset(x_8, x_7, x_19);
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_21);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_23 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3), 16, 7);
+lean_closure_set(x_23, 0, x_22);
+lean_closure_set(x_23, 1, x_1);
+lean_closure_set(x_23, 2, x_2);
+lean_closure_set(x_23, 3, x_3);
+lean_closure_set(x_23, 4, x_21);
+lean_closure_set(x_23, 5, x_4);
+lean_closure_set(x_23, 6, x_5);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_24 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___rarg(x_21, x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_24) == 0)
+{
+lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
+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 = 1;
+x_28 = lean_usize_add(x_7, x_27);
+x_29 = lean_array_uset(x_20, x_7, x_25);
+x_7 = x_28;
+x_8 = x_29;
+x_15 = x_26;
+goto _start;
+}
+else
+{
+uint8_t x_31; 
+lean_dec(x_20);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_31 = !lean_is_exclusive(x_24);
+if (x_31 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_24, 0);
+x_33 = lean_ctor_get(x_24, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_24);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_10 = lean_ctor_get(x_7, 3);
+x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_5, x_6, x_7, x_8, x_9);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_12);
+x_15 = lean_st_ref_take(x_8, x_13);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_16, 3);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = !lean_is_exclusive(x_16);
+if (x_19 == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_16, 3);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_17);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_22 = lean_ctor_get(x_17, 0);
+x_23 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
+x_24 = l_Lean_Name_append(x_1, x_23);
+x_25 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_25, 0, x_1);
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+lean_ctor_set(x_36, 0, x_39);
+return x_36;
+}
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+}
+}
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+lean_inc(x_60);
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+ lean_ctor_release(x_59, 0);
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+} else {
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+}
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+} else {
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+}
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+}
+}
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+{
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+lean_inc(x_65);
+lean_inc(x_64);
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+lean_inc(x_68);
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+ lean_ctor_release(x_17, 0);
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+} else {
+ lean_dec_ref(x_17);
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+}
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+} else {
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+}
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+x_85 = lean_st_ref_set(x_8, x_84, x_18);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = lean_box(0);
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+ x_89 = lean_alloc_ctor(0, 2, 0);
+} else {
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+}
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_86);
+return x_89;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
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+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_ctor_get(x_6, 0);
+x_10 = l_Lean_checkTraceOption(x_9, x_1);
+x_11 = lean_box(x_10);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = lean_apply_8(x_1, x_4, x_2, x_3, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
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+{
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+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+return x_13;
+}
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+{
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+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_13);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+else
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_13);
+if (x_18 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 0);
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_13);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___boxed), 11, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
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+x_12 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___lambda__1), 9, 3);
+lean_closure_set(x_12, 0, x_4);
+lean_closure_set(x_12, 1, x_5);
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+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+return x_13;
+}
+else
+{
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+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_13);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+else
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_13);
+if (x_18 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 0);
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_13);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg___boxed), 11, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
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+x_12 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___lambda__1), 9, 3);
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+lean_closure_set(x_12, 1, x_5);
+lean_closure_set(x_12, 2, x_6);
+x_13 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(x_1, x_2, x_3, x_12, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_13);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+else
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_13);
+if (x_18 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 0);
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_13);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___rarg), 11, 0);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("failed to add `below` argument to 'matcher' application");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_2 = l_Lean_indentD(x_1);
+x_3 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3;
+x_4 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_4, 0, x_3);
+lean_ctor_set(x_4, 1, x_2);
+return x_4;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1), 1, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+lean_dec(x_8);
+lean_inc(x_2);
+x_16 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
+lean_closure_set(x_16, 0, x_1);
+lean_closure_set(x_16, 1, x_2);
+x_17 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1;
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_18 = l_Lean_Meta_mapErrorImp___rarg(x_16, x_17, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_2);
+lean_inc(x_19);
+x_21 = l_Lean_Elab_Structural_refinedArgType(x_19, x_2, x_11, x_12, x_13, x_14, x_20);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+x_23 = lean_unbox(x_22);
+lean_dec(x_22);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+lean_dec(x_19);
+lean_dec(x_7);
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+lean_dec(x_21);
+x_25 = lean_unsigned_to_nat(0u);
+x_26 = l_Lean_Expr_getAppNumArgsAux(x_3, x_25);
+x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_26);
+x_28 = lean_mk_array(x_26, x_27);
+x_29 = lean_unsigned_to_nat(1u);
+x_30 = lean_nat_sub(x_26, x_29);
+lean_dec(x_26);
+lean_inc(x_3);
+x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(x_4, x_5, x_6, x_2, x_3, x_3, x_28, x_30, x_9, x_10, x_11, x_12, x_13, x_14, x_24);
+return x_31;
+}
+else
+{
+lean_object* x_32; uint8_t x_33; 
+lean_dec(x_2);
+x_32 = lean_ctor_get(x_21, 1);
+lean_inc(x_32);
+lean_dec(x_21);
+x_33 = !lean_is_exclusive(x_19);
+if (x_33 == 0)
+{
+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; size_t x_45; size_t x_46; lean_object* x_47; 
+x_34 = lean_ctor_get(x_19, 0);
+x_35 = lean_ctor_get(x_19, 1);
+x_36 = lean_ctor_get(x_19, 2);
+x_37 = lean_ctor_get(x_19, 3);
+x_38 = lean_ctor_get(x_19, 4);
+x_39 = lean_ctor_get(x_19, 5);
+x_40 = lean_ctor_get(x_19, 6);
+x_41 = lean_ctor_get(x_19, 7);
+x_42 = lean_ctor_get(x_19, 8);
+x_43 = l_Array_zip___rarg(x_41, x_40);
+lean_dec(x_41);
+x_44 = lean_array_get_size(x_43);
+x_45 = lean_usize_of_nat(x_44);
+lean_dec(x_44);
+x_46 = 0;
+x_47 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22(x_4, x_5, x_6, x_3, x_7, x_45, x_46, x_43, x_9, x_10, x_11, x_12, x_13, x_14, x_32);
+if (lean_obj_tag(x_47) == 0)
+{
+uint8_t x_48; 
+x_48 = !lean_is_exclusive(x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = lean_ctor_get(x_47, 0);
+lean_ctor_set(x_19, 7, x_49);
+x_50 = l_Lean_Meta_MatcherApp_toExpr(x_19);
+lean_ctor_set(x_47, 0, x_50);
+return x_47;
+}
+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_inc(x_52);
+lean_inc(x_51);
+lean_dec(x_47);
+lean_ctor_set(x_19, 7, x_51);
+x_53 = l_Lean_Meta_MatcherApp_toExpr(x_19);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
+}
+}
+else
+{
+uint8_t x_55; 
+lean_free_object(x_19);
+lean_dec(x_42);
+lean_dec(x_40);
+lean_dec(x_39);
+lean_dec(x_38);
+lean_dec(x_37);
+lean_dec(x_36);
+lean_dec(x_35);
+lean_dec(x_34);
+x_55 = !lean_is_exclusive(x_47);
+if (x_55 == 0)
+{
+return x_47;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_47, 0);
+x_57 = lean_ctor_get(x_47, 1);
+lean_inc(x_57);
+lean_inc(x_56);
+lean_dec(x_47);
+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; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; size_t x_70; size_t x_71; lean_object* x_72; 
+x_59 = lean_ctor_get(x_19, 0);
+x_60 = lean_ctor_get(x_19, 1);
+x_61 = lean_ctor_get(x_19, 2);
+x_62 = lean_ctor_get(x_19, 3);
+x_63 = lean_ctor_get(x_19, 4);
+x_64 = lean_ctor_get(x_19, 5);
+x_65 = lean_ctor_get(x_19, 6);
+x_66 = lean_ctor_get(x_19, 7);
+x_67 = lean_ctor_get(x_19, 8);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_19);
+x_68 = l_Array_zip___rarg(x_66, x_65);
+lean_dec(x_66);
+x_69 = lean_array_get_size(x_68);
+x_70 = lean_usize_of_nat(x_69);
+lean_dec(x_69);
+x_71 = 0;
+x_72 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22(x_4, x_5, x_6, x_3, x_7, x_70, x_71, x_68, x_9, x_10, x_11, x_12, x_13, x_14, x_32);
+if (lean_obj_tag(x_72) == 0)
+{
+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_73 = lean_ctor_get(x_72, 0);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_72, 1);
+lean_inc(x_74);
+if (lean_is_exclusive(x_72)) {
+ lean_ctor_release(x_72, 0);
+ lean_ctor_release(x_72, 1);
+ x_75 = x_72;
+} else {
+ lean_dec_ref(x_72);
+ x_75 = lean_box(0);
+}
+x_76 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_76, 0, x_59);
+lean_ctor_set(x_76, 1, x_60);
+lean_ctor_set(x_76, 2, x_61);
+lean_ctor_set(x_76, 3, x_62);
+lean_ctor_set(x_76, 4, x_63);
+lean_ctor_set(x_76, 5, x_64);
+lean_ctor_set(x_76, 6, x_65);
+lean_ctor_set(x_76, 7, x_73);
+lean_ctor_set(x_76, 8, x_67);
+x_77 = l_Lean_Meta_MatcherApp_toExpr(x_76);
+if (lean_is_scalar(x_75)) {
+ x_78 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_78 = x_75;
+}
+lean_ctor_set(x_78, 0, x_77);
+lean_ctor_set(x_78, 1, x_74);
+return x_78;
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+lean_dec(x_67);
+lean_dec(x_65);
+lean_dec(x_64);
+lean_dec(x_63);
+lean_dec(x_62);
+lean_dec(x_61);
+lean_dec(x_60);
+lean_dec(x_59);
+x_79 = lean_ctor_get(x_72, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_72, 1);
+lean_inc(x_80);
+if (lean_is_exclusive(x_72)) {
+ lean_ctor_release(x_72, 0);
+ lean_ctor_release(x_72, 1);
+ x_81 = x_72;
+} else {
+ lean_dec_ref(x_72);
+ 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;
+}
+}
+}
+}
+else
+{
+uint8_t x_83; 
+lean_dec(x_19);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_83 = !lean_is_exclusive(x_21);
+if (x_83 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+x_84 = lean_ctor_get(x_21, 0);
+x_85 = lean_ctor_get(x_21, 1);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_21);
+x_86 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_86, 0, x_84);
+lean_ctor_set(x_86, 1, x_85);
+return x_86;
+}
+}
+}
+else
+{
+uint8_t x_87; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_87 = !lean_is_exclusive(x_18);
+if (x_87 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_18, 0);
+x_89 = lean_ctor_get(x_18, 1);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_18);
+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;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_15 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = 1;
+x_22 = 1;
+x_23 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_21, x_22, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+return x_23;
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_6);
+x_24 = !lean_is_exclusive(x_15);
+if (x_24 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_15, 0);
+x_26 = lean_ctor_get(x_15, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_15);
+x_27 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_15 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = 1;
+x_22 = 1;
+x_23 = l_Lean_Meta_mkForallFVars(x_19, x_16, x_20, x_21, x_22, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+return x_23;
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_6);
+x_24 = !lean_is_exclusive(x_15);
+if (x_24 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_15, 0);
+x_26 = lean_ctor_get(x_15, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_15);
+x_27 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_15 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
+x_19 = lean_array_push(x_18, x_6);
+x_20 = 0;
+x_21 = 1;
+x_22 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_20, x_21, x_9, x_10, x_11, x_12, x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+return x_22;
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_6);
+x_23 = !lean_is_exclusive(x_15);
+if (x_23 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_15, 0);
+x_25 = lean_ctor_get(x_15, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_15);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("below before matcherApp.addArg: ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(" : ");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_dec(x_6);
+switch (lean_obj_tag(x_1)) {
+case 5:
+{
+lean_object* x_14; lean_object* x_15; 
+lean_inc(x_1);
+x_14 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(x_2, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = lean_unsigned_to_nat(0u);
+x_18 = l_Lean_Expr_getAppNumArgsAux(x_1, x_17);
+x_19 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_18);
+x_20 = lean_mk_array(x_18, x_19);
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_sub(x_18, x_21);
+lean_dec(x_18);
+lean_inc(x_1);
+x_23 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(x_2, x_3, x_4, x_5, x_1, x_1, x_20, x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+return x_23;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_24 = lean_ctor_get(x_14, 1);
+lean_inc(x_24);
+lean_dec(x_14);
+x_25 = lean_ctor_get(x_15, 0);
+lean_inc(x_25);
+lean_dec(x_15);
+x_26 = l_Lean_Elab_Structural_RecArgInfo_recArgPos(x_3);
+lean_inc(x_1);
+lean_inc(x_2);
+x_27 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_2, x_26, x_1);
+if (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_dec(x_25);
+x_28 = lean_unsigned_to_nat(0u);
+x_29 = l_Lean_Expr_getAppNumArgsAux(x_1, x_28);
+x_30 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
+lean_inc(x_29);
+x_31 = lean_mk_array(x_29, x_30);
+x_32 = lean_unsigned_to_nat(1u);
+x_33 = lean_nat_sub(x_29, x_32);
+lean_dec(x_29);
+lean_inc(x_1);
+x_34 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12(x_2, x_3, x_4, x_5, x_1, x_1, x_31, x_33, x_7, x_8, x_9, x_10, x_11, x_12, x_24);
+return x_34;
+}
+else
+{
+lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_35 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__6;
+x_61 = lean_st_ref_get(x_12, x_24);
+x_62 = lean_ctor_get(x_61, 0);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_62, 3);
+lean_inc(x_63);
+lean_dec(x_62);
+x_64 = lean_ctor_get_uint8(x_63, sizeof(void*)*1);
+lean_dec(x_63);
+if (x_64 == 0)
+{
+lean_object* x_65; uint8_t x_66; 
+x_65 = lean_ctor_get(x_61, 1);
+lean_inc(x_65);
+lean_dec(x_61);
+x_66 = 0;
+x_36 = x_66;
+x_37 = x_65;
+goto block_60;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; 
+x_67 = lean_ctor_get(x_61, 1);
+lean_inc(x_67);
+lean_dec(x_61);
+x_68 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg(x_35, x_7, x_8, x_9, x_10, x_11, x_12, x_67);
+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 = lean_unbox(x_69);
+lean_dec(x_69);
+x_36 = x_71;
+x_37 = x_70;
+goto block_60;
+}
+block_60:
+{
+if (x_36 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_box(0);
+x_39 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(x_25, x_5, x_1, x_2, x_3, x_4, x_35, x_38, x_7, x_8, x_9, x_10, x_11, x_12, x_37);
+return x_39;
+}
+else
+{
+lean_object* x_40; 
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_5);
+x_40 = lean_infer_type(x_5, x_9, x_10, x_11, x_12, x_37);
+if (lean_obj_tag(x_40) == 0)
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+lean_dec(x_40);
+lean_inc(x_5);
+x_43 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_43, 0, x_5);
+x_44 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2;
+x_45 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_43);
+x_46 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4;
+x_47 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+x_48 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_48, 0, x_41);
+x_49 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
+x_50 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
+x_51 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+x_52 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg(x_35, x_51, x_7, x_8, x_9, x_10, x_11, x_12, x_42);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(x_25, x_5, x_1, x_2, x_3, x_4, x_35, x_53, x_7, x_8, x_9, x_10, x_11, x_12, x_54);
+return x_55;
+}
+else
+{
+uint8_t x_56; 
+lean_dec(x_25);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_56 = !lean_is_exclusive(x_40);
+if (x_56 == 0)
+{
+return x_40;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_40, 0);
+x_58 = lean_ctor_get(x_40, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_40);
+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;
+}
+}
+}
+}
+}
+}
+}
+case 6:
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; uint64_t x_75; lean_object* x_76; 
+x_72 = lean_ctor_get(x_1, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_1, 1);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_1, 2);
+lean_inc(x_74);
+x_75 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_76 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_73, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_76) == 0)
+{
+lean_object* x_77; lean_object* x_78; uint8_t x_79; lean_object* x_80; lean_object* x_81; 
+x_77 = lean_ctor_get(x_76, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = (uint8_t)((x_75 << 24) >> 61);
+x_80 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed), 13, 5);
+lean_closure_set(x_80, 0, x_74);
+lean_closure_set(x_80, 1, x_2);
+lean_closure_set(x_80, 2, x_3);
+lean_closure_set(x_80, 3, x_4);
+lean_closure_set(x_80, 4, x_5);
+x_81 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg(x_72, x_79, x_77, x_80, x_7, x_8, x_9, x_10, x_11, x_12, x_78);
+return x_81;
+}
+else
+{
+uint8_t x_82; 
+lean_dec(x_74);
+lean_dec(x_72);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_82 = !lean_is_exclusive(x_76);
+if (x_82 == 0)
+{
+return x_76;
+}
+else
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_76, 0);
+x_84 = lean_ctor_get(x_76, 1);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_dec(x_76);
+x_85 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_85, 0, x_83);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
+}
+}
+}
+case 7:
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; uint64_t x_89; lean_object* x_90; 
+x_86 = lean_ctor_get(x_1, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_1, 1);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_1, 2);
+lean_inc(x_88);
+x_89 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_90 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_87, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_90) == 0)
+{
+lean_object* x_91; lean_object* x_92; uint8_t x_93; lean_object* x_94; lean_object* x_95; 
+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);
+x_93 = (uint8_t)((x_89 << 24) >> 61);
+x_94 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed), 13, 5);
+lean_closure_set(x_94, 0, x_88);
+lean_closure_set(x_94, 1, x_2);
+lean_closure_set(x_94, 2, x_3);
+lean_closure_set(x_94, 3, x_4);
+lean_closure_set(x_94, 4, x_5);
+x_95 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg(x_86, x_93, x_91, x_94, x_7, x_8, x_9, x_10, x_11, x_12, x_92);
+return x_95;
+}
+else
+{
+uint8_t x_96; 
+lean_dec(x_88);
+lean_dec(x_86);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_96 = !lean_is_exclusive(x_90);
+if (x_96 == 0)
+{
+return x_90;
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_97 = lean_ctor_get(x_90, 0);
+x_98 = lean_ctor_get(x_90, 1);
+lean_inc(x_98);
+lean_inc(x_97);
+lean_dec(x_90);
+x_99 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_99, 0, x_97);
+lean_ctor_set(x_99, 1, x_98);
+return x_99;
+}
+}
+}
+case 8:
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_100 = lean_ctor_get(x_1, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_1, 1);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_1, 2);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_1, 3);
+lean_inc(x_103);
+lean_dec(x_1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_104 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_101, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_104) == 0)
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_105 = lean_ctor_get(x_104, 0);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_104, 1);
+lean_inc(x_106);
+lean_dec(x_104);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_107 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_102, x_7, x_8, x_9, x_10, x_11, x_12, x_106);
+if (lean_obj_tag(x_107) == 0)
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_108 = lean_ctor_get(x_107, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_107, 1);
+lean_inc(x_109);
+lean_dec(x_107);
+x_110 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed), 13, 5);
+lean_closure_set(x_110, 0, x_103);
+lean_closure_set(x_110, 1, x_2);
+lean_closure_set(x_110, 2, x_3);
+lean_closure_set(x_110, 3, x_4);
+lean_closure_set(x_110, 4, x_5);
+x_111 = l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___rarg(x_100, x_105, x_108, x_110, x_7, x_8, x_9, x_10, x_11, x_12, x_109);
+return x_111;
+}
+else
+{
+uint8_t x_112; 
+lean_dec(x_105);
+lean_dec(x_103);
+lean_dec(x_100);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_112 = !lean_is_exclusive(x_107);
+if (x_112 == 0)
+{
+return x_107;
+}
+else
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_113 = lean_ctor_get(x_107, 0);
+x_114 = lean_ctor_get(x_107, 1);
+lean_inc(x_114);
+lean_inc(x_113);
+lean_dec(x_107);
+x_115 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_115, 0, x_113);
+lean_ctor_set(x_115, 1, x_114);
+return x_115;
+}
+}
+}
+else
+{
+uint8_t x_116; 
+lean_dec(x_103);
+lean_dec(x_102);
+lean_dec(x_100);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_116 = !lean_is_exclusive(x_104);
+if (x_116 == 0)
+{
+return x_104;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+x_117 = lean_ctor_get(x_104, 0);
+x_118 = lean_ctor_get(x_104, 1);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_104);
+x_119 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_119, 0, x_117);
+lean_ctor_set(x_119, 1, x_118);
+return x_119;
+}
+}
+}
+case 10:
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_120 = lean_ctor_get(x_1, 0);
+lean_inc(x_120);
+x_121 = lean_ctor_get(x_1, 1);
+lean_inc(x_121);
+x_122 = l_Lean_getRecAppSyntax_x3f(x_1);
+lean_dec(x_1);
+if (lean_obj_tag(x_122) == 0)
+{
+lean_object* x_123; 
+x_123 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_121, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_123) == 0)
+{
+uint8_t x_124; 
+x_124 = !lean_is_exclusive(x_123);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; 
+x_125 = lean_ctor_get(x_123, 0);
+x_126 = l_Lean_mkMData(x_120, x_125);
+lean_ctor_set(x_123, 0, x_126);
+return x_123;
+}
+else
+{
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_127 = lean_ctor_get(x_123, 0);
+x_128 = lean_ctor_get(x_123, 1);
+lean_inc(x_128);
+lean_inc(x_127);
+lean_dec(x_123);
+x_129 = l_Lean_mkMData(x_120, x_127);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_128);
+return x_130;
+}
+}
+else
+{
+uint8_t x_131; 
+lean_dec(x_120);
+x_131 = !lean_is_exclusive(x_123);
+if (x_131 == 0)
+{
+return x_123;
+}
+else
+{
+lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+x_132 = lean_ctor_get(x_123, 0);
+x_133 = lean_ctor_get(x_123, 1);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_dec(x_123);
+x_134 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+return x_134;
+}
+}
+}
+else
+{
+lean_object* x_135; 
+lean_dec(x_122);
+lean_dec(x_120);
+x_135 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_121, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_135;
+}
+}
+case 11:
+{
+lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_136 = lean_ctor_get(x_1, 0);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_1, 1);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_1, 2);
+lean_inc(x_138);
+lean_dec(x_1);
+x_139 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_138, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_139) == 0)
+{
+uint8_t x_140; 
+x_140 = !lean_is_exclusive(x_139);
+if (x_140 == 0)
+{
+lean_object* x_141; lean_object* x_142; 
+x_141 = lean_ctor_get(x_139, 0);
+x_142 = l_Lean_mkProj(x_136, x_137, x_141);
+lean_ctor_set(x_139, 0, x_142);
+return x_139;
+}
+else
+{
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+x_143 = lean_ctor_get(x_139, 0);
+x_144 = lean_ctor_get(x_139, 1);
+lean_inc(x_144);
+lean_inc(x_143);
+lean_dec(x_139);
+x_145 = l_Lean_mkProj(x_136, x_137, x_143);
+x_146 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_146, 0, x_145);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
+}
+}
+else
+{
+uint8_t x_147; 
+lean_dec(x_137);
+lean_dec(x_136);
+x_147 = !lean_is_exclusive(x_139);
+if (x_147 == 0)
+{
+return x_139;
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+x_148 = lean_ctor_get(x_139, 0);
+x_149 = lean_ctor_get(x_139, 1);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_150 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_150, 0, x_148);
+lean_ctor_set(x_150, 1, x_149);
+return x_150;
+}
+}
+}
+default: 
+{
+lean_object* x_151; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_151 = l_Lean_Elab_ensureNoRecFn(x_2, x_1, x_9, x_10, x_11, x_12, x_13);
+return x_151;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(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; 
+lean_inc(x_3);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_13 = lean_apply_8(x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; uint8_t x_15; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_unbox(x_14);
+lean_dec(x_14);
+if (x_15 == 0)
+{
+uint8_t x_16; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_16 = !lean_is_exclusive(x_13);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+x_17 = lean_ctor_get(x_13, 0);
+lean_dec(x_17);
+lean_ctor_set(x_13, 0, x_5);
+return x_13;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; 
+x_18 = lean_ctor_get(x_13, 1);
+lean_inc(x_18);
+lean_dec(x_13);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_5);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+lean_dec(x_13);
+x_21 = lean_box(0);
+x_22 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6(x_5, x_1, x_2, x_3, x_4, x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_20);
+return x_22;
+}
+}
+else
+{
+uint8_t x_23; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_23 = !lean_is_exclusive(x_13);
+if (x_23 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_13, 0);
+x_25 = lean_ctor_get(x_13, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_13);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_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_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_take(x_3, x_11);
+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 = l_Lean_HasConstCache_containsUnsafe(x_1, x_2, x_13);
+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_st_ref_set(x_3, x_17, x_14);
+x_19 = !lean_is_exclusive(x_18);
+if (x_19 == 0)
+{
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_18, 0);
+lean_dec(x_20);
+lean_ctor_set(x_18, 0, x_16);
+return x_18;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_18, 1);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_16);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = l_Std_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+lean_inc(x_1);
+x_11 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1___boxed), 9, 1);
+lean_closure_set(x_11, 0, x_1);
+x_12 = lean_st_ref_get(x_9, x_10);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1;
+x_15 = lean_st_mk_ref(x_14, x_13);
+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);
+lean_inc(x_9);
+lean_inc(x_16);
+x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_11, x_3, x_4, x_16, x_5, x_6, x_7, x_8, x_9, x_17);
+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; uint8_t x_24; 
+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_st_ref_get(x_9, x_20);
+lean_dec(x_9);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_st_ref_get(x_16, x_22);
+lean_dec(x_16);
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
+{
+lean_object* x_25; 
+x_25 = lean_ctor_get(x_23, 0);
+lean_dec(x_25);
+lean_ctor_set(x_23, 0, x_19);
+return x_23;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; 
+x_26 = lean_ctor_get(x_23, 1);
+lean_inc(x_26);
+lean_dec(x_23);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_19);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
+}
+}
+else
+{
+uint8_t x_28; 
+lean_dec(x_16);
+lean_dec(x_9);
+x_28 = !lean_is_exclusive(x_18);
+if (x_28 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_18, 0);
+x_30 = lean_ctor_get(x_18, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_18);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_8);
+lean_dec(x_6);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__9___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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, x_13, x_14, x_15, x_16, x_17);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_8);
+lean_dec(x_6);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+size_t x_15; size_t x_16; lean_object* x_17; 
+x_15 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_8);
+lean_dec(x_6);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___boxed(lean_object** _args) {
+lean_object* x_1 = _args[0];
+lean_object* x_2 = _args[1];
+lean_object* x_3 = _args[2];
+lean_object* x_4 = _args[3];
+lean_object* x_5 = _args[4];
+lean_object* x_6 = _args[5];
+lean_object* x_7 = _args[6];
+lean_object* x_8 = _args[7];
+lean_object* x_9 = _args[8];
+lean_object* x_10 = _args[9];
+lean_object* x_11 = _args[10];
+lean_object* x_12 = _args[11];
+lean_object* x_13 = _args[12];
+lean_object* x_14 = _args[13];
+lean_object* x_15 = _args[14];
+lean_object* x_16 = _args[15];
+lean_object* x_17 = _args[16];
+_start:
+{
+lean_object* x_18; 
+x_18 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__20(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__21(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_7);
+lean_dec(x_1);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+lean_object* x_17; 
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_1);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_17 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22(x_1, x_2, x_3, x_4, x_5, x_16, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__23(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__24(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+uint8_t x_12; lean_object* x_13; 
+x_12 = lean_unbox(x_2);
+lean_dec(x_2);
+x_13 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___rarg(x_1, x_12, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__25(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+uint8_t x_12; lean_object* x_13; 
+x_12 = lean_unbox(x_2);
+lean_dec(x_2);
+x_13 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___rarg(x_1, x_12, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__26(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__27(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(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_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(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_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(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_1);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = lean_apply_8(x_1, x_3, x_4, x_2, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; 
+x_10 = lean_alloc_closure((void*)(l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg___lambda__1), 9, 2);
+lean_closure_set(x_10, 0, x_3);
+lean_closure_set(x_10, 1, x_4);
+x_11 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAux___rarg(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_11, 1);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_11);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_13);
+lean_ctor_set(x_15, 1, x_14);
+return x_15;
+}
+}
+else
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_11);
+if (x_16 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_11, 0);
+x_18 = lean_ctor_get(x_11, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_11);
+x_19 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg), 9, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 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; uint8_t x_18; 
@@ -5113,15 +8811,15 @@ if (x_20 == 0)
 {
 lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
 x_21 = lean_ctor_get(x_16, 0);
-x_22 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2;
+x_22 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
 x_23 = l_Lean_Name_append(x_1, x_22);
 x_24 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_24, 0, x_1);
-x_25 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4;
+x_25 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4;
 x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_25);
 lean_ctor_set(x_26, 1, x_24);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6;
+x_27 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6;
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
@@ -5172,15 +8870,15 @@ x_42 = lean_ctor_get_uint8(x_16, sizeof(void*)*1);
 x_43 = lean_ctor_get(x_16, 0);
 lean_inc(x_43);
 lean_dec(x_16);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2;
+x_44 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
 x_45 = l_Lean_Name_append(x_1, x_44);
 x_46 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_46, 0, x_1);
-x_47 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4;
+x_47 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4;
 x_48 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
 lean_ctor_set(x_48, 1, x_46);
-x_49 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6;
+x_49 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6;
 x_50 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
@@ -5245,15 +8943,15 @@ if (lean_is_exclusive(x_16)) {
  lean_dec_ref(x_16);
  x_68 = lean_box(0);
 }
-x_69 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2;
+x_69 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2;
 x_70 = l_Lean_Name_append(x_1, x_69);
 x_71 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_71, 0, x_1);
-x_72 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4;
+x_72 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4;
 x_73 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_73, 0, x_72);
 lean_ctor_set(x_73, 1, x_71);
-x_74 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6;
+x_74 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6;
 x_75 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_75, 0, x_73);
 lean_ctor_set(x_75, 1, x_74);
@@ -5307,7 +9005,7 @@ return x_88;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___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; lean_object* x_10; lean_object* x_11; 
@@ -5320,2090 +9018,7 @@ lean_ctor_set(x_11, 1, x_7);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = lean_apply_8(x_1, x_3, x_4, x_2, x_5, x_6, x_7, x_8, x_9);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; uint8_t x_10; lean_object* x_11; 
-x_9 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___lambda__1), 9, 2);
-lean_closure_set(x_9, 0, x_2);
-lean_closure_set(x_9, 1, x_3);
-x_10 = 0;
-x_11 = l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(x_1, x_10, x_9, x_4, x_5, x_6, x_7, x_8);
-if (lean_obj_tag(x_11) == 0)
-{
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_13);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-}
-else
-{
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_11);
-if (x_16 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_11);
-x_19 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_19, 0, x_17);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg), 8, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_13 = lean_unsigned_to_nat(1u);
-x_14 = lean_nat_sub(x_1, x_13);
-x_15 = l_Lean_instInhabitedExpr;
-x_16 = lean_array_get(x_15, x_2, x_14);
-lean_dec(x_14);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_17 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_3, x_4, x_16, x_5, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
-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 = 0;
-x_21 = 1;
-x_22 = 1;
-x_23 = l_Lean_Meta_mkLambdaFVars(x_2, x_18, x_20, x_21, x_22, x_8, x_9, x_10, x_11, x_19);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-return x_23;
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_2);
-x_24 = !lean_is_exclusive(x_17);
-if (x_24 == 0)
-{
-return x_17;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-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_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-return x_27;
-}
-}
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("unexpected matcher application alternative");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("\nat application");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-lean_object* x_15; uint8_t x_16; 
-lean_dec(x_8);
-x_15 = lean_array_get_size(x_2);
-x_16 = lean_nat_dec_le(x_1, x_15);
-lean_dec(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_17 = l_Lean_indentExpr(x_6);
-x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2;
-x_19 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
-x_20 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4;
-x_21 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_21, 0, x_19);
-lean_ctor_set(x_21, 1, x_20);
-x_22 = l_Lean_indentExpr(x_7);
-x_23 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-x_24 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_25 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-x_26 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_25, x_9, x_10, x_11, x_12, x_13, x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-x_27 = !lean_is_exclusive(x_26);
-if (x_27 == 0)
-{
-return x_26;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_26, 0);
-x_29 = lean_ctor_get(x_26, 1);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_26);
-x_30 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-else
-{
-lean_object* x_31; lean_object* x_32; 
-lean_dec(x_7);
-lean_dec(x_6);
-x_31 = lean_box(0);
-x_32 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(x_1, x_2, x_3, x_4, x_5, x_31, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_32;
-}
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("altNumParams: ");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string(", xs: ");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-uint8_t x_15; lean_object* x_16; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_38 = lean_st_ref_get(x_13, x_14);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_39, 3);
-lean_inc(x_40);
-lean_dec(x_39);
-x_41 = lean_ctor_get_uint8(x_40, sizeof(void*)*1);
-lean_dec(x_40);
-if (x_41 == 0)
-{
-lean_object* x_42; uint8_t x_43; 
-x_42 = lean_ctor_get(x_38, 1);
-lean_inc(x_42);
-lean_dec(x_38);
-x_43 = 0;
-x_15 = x_43;
-x_16 = x_42;
-goto block_37;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-x_44 = lean_ctor_get(x_38, 1);
-lean_inc(x_44);
-lean_dec(x_38);
-lean_inc(x_6);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_6, x_9, x_10, x_11, x_12, x_13, x_44);
-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 = lean_unbox(x_46);
-lean_dec(x_46);
-x_15 = x_48;
-x_16 = x_47;
-goto block_37;
-}
-block_37:
-{
-if (x_15 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-lean_dec(x_6);
-x_17 = lean_box(0);
-x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(x_1, x_7, x_2, x_3, x_8, x_4, x_5, x_17, x_9, x_10, x_11, x_12, x_13, x_16);
-lean_dec(x_1);
-return x_18;
-}
-else
-{
-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; 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_inc(x_1);
-x_19 = l_Nat_repr(x_1);
-x_20 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-x_21 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_21, 0, x_20);
-x_22 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2;
-x_23 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_21);
-x_24 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4;
-x_25 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-lean_inc(x_7);
-x_26 = lean_array_to_list(lean_box(0), x_7);
-x_27 = lean_box(0);
-x_28 = l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(x_26, x_27);
-x_29 = l_Lean_MessageData_ofList(x_28);
-lean_dec(x_28);
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_25);
-lean_ctor_set(x_30, 1, x_29);
-x_31 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_6, x_32, x_9, x_10, x_11, x_12, x_13, x_16);
-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_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(x_1, x_7, x_2, x_3, x_8, x_4, x_5, x_34, x_9, x_10, x_11, x_12, x_13, x_35);
-lean_dec(x_1);
-return x_36;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-uint8_t x_14; 
-x_14 = lean_usize_dec_lt(x_6, x_5);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_7);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-else
-{
-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_16 = lean_array_uget(x_7, x_6);
-x_17 = lean_unsigned_to_nat(0u);
-x_18 = lean_array_uset(x_7, x_6, x_17);
-x_19 = lean_ctor_get(x_16, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_16, 1);
-lean_inc(x_20);
-lean_dec(x_16);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_19);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3), 14, 6);
-lean_closure_set(x_21, 0, x_20);
-lean_closure_set(x_21, 1, x_1);
-lean_closure_set(x_21, 2, x_2);
-lean_closure_set(x_21, 3, x_19);
-lean_closure_set(x_21, 4, x_3);
-lean_closure_set(x_21, 5, x_4);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_22 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(x_19, x_21, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_22) == 0)
-{
-lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = 1;
-x_26 = lean_usize_add(x_6, x_25);
-x_27 = lean_array_uset(x_18, x_6, x_23);
-x_6 = x_26;
-x_7 = x_27;
-x_13 = x_24;
-goto _start;
-}
-else
-{
-uint8_t x_29; 
-lean_dec(x_18);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = !lean_is_exclusive(x_22);
-if (x_29 == 0)
-{
-return x_22;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_22, 0);
-x_31 = lean_ctor_get(x_22, 1);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_dec(x_22);
-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_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = lean_apply_7(x_1, x_3, x_2, x_4, x_5, x_6, x_7, x_8);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___lambda__1), 8, 2);
-lean_closure_set(x_11, 0, x_4);
-lean_closure_set(x_11, 1, x_5);
-x_12 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_11, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_12) == 0)
-{
-uint8_t x_13; 
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_ctor_get(x_12, 1);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_dec(x_12);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_14);
-lean_ctor_set(x_16, 1, x_15);
-return x_16;
-}
-}
-else
-{
-uint8_t x_17; 
-x_17 = !lean_is_exclusive(x_12);
-if (x_17 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_12, 0);
-x_19 = lean_ctor_get(x_12, 1);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_12);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_18);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed), 10, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___lambda__1), 8, 2);
-lean_closure_set(x_11, 0, x_4);
-lean_closure_set(x_11, 1, x_5);
-x_12 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(x_1, x_2, x_3, x_11, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_12) == 0)
-{
-uint8_t x_13; 
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_ctor_get(x_12, 1);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_dec(x_12);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_14);
-lean_ctor_set(x_16, 1, x_15);
-return x_16;
-}
-}
-else
-{
-uint8_t x_17; 
-x_17 = !lean_is_exclusive(x_12);
-if (x_17 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_12, 0);
-x_19 = lean_ctor_get(x_12, 1);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_12);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_18);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg), 10, 0);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("failed to add `below` argument to 'matcher' application");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_indentD(x_1);
-x_3 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3;
-x_4 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_4, 0, x_3);
-lean_ctor_set(x_4, 1, x_2);
-return x_4;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1), 1, 0);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_7);
-lean_inc(x_2);
-x_14 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
-lean_closure_set(x_14, 0, x_1);
-lean_closure_set(x_14, 1, x_2);
-x_15 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1;
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_16 = l_Lean_Meta_mapErrorImp___rarg(x_14, x_15, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-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);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_2);
-lean_inc(x_17);
-x_19 = l_Lean_Elab_Structural_refinedArgType(x_17, x_2, x_9, x_10, x_11, x_12, x_18);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_unbox(x_20);
-lean_dec(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-lean_dec(x_17);
-lean_dec(x_6);
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_unsigned_to_nat(0u);
-x_24 = l_Lean_Expr_getAppNumArgsAux(x_3, x_23);
-x_25 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_24);
-x_26 = lean_mk_array(x_24, x_25);
-x_27 = lean_unsigned_to_nat(1u);
-x_28 = lean_nat_sub(x_24, x_27);
-lean_dec(x_24);
-lean_inc(x_3);
-x_29 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13(x_4, x_5, x_2, x_3, x_3, x_26, x_28, x_8, x_9, x_10, x_11, x_12, x_22);
-return x_29;
-}
-else
-{
-lean_object* x_30; uint8_t x_31; 
-lean_dec(x_2);
-x_30 = lean_ctor_get(x_19, 1);
-lean_inc(x_30);
-lean_dec(x_19);
-x_31 = !lean_is_exclusive(x_17);
-if (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; size_t x_43; size_t x_44; lean_object* x_45; 
-x_32 = lean_ctor_get(x_17, 0);
-x_33 = lean_ctor_get(x_17, 1);
-x_34 = lean_ctor_get(x_17, 2);
-x_35 = lean_ctor_get(x_17, 3);
-x_36 = lean_ctor_get(x_17, 4);
-x_37 = lean_ctor_get(x_17, 5);
-x_38 = lean_ctor_get(x_17, 6);
-x_39 = lean_ctor_get(x_17, 7);
-x_40 = lean_ctor_get(x_17, 8);
-x_41 = l_Array_zip___rarg(x_39, x_38);
-lean_dec(x_39);
-x_42 = lean_array_get_size(x_41);
-x_43 = lean_usize_of_nat(x_42);
-lean_dec(x_42);
-x_44 = 0;
-x_45 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(x_4, x_5, x_3, x_6, x_43, x_44, x_41, x_8, x_9, x_10, x_11, x_12, x_30);
-if (lean_obj_tag(x_45) == 0)
-{
-uint8_t x_46; 
-x_46 = !lean_is_exclusive(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_45, 0);
-lean_ctor_set(x_17, 7, x_47);
-x_48 = l_Lean_Meta_MatcherApp_toExpr(x_17);
-lean_ctor_set(x_45, 0, x_48);
-return x_45;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_49 = lean_ctor_get(x_45, 0);
-x_50 = lean_ctor_get(x_45, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_45);
-lean_ctor_set(x_17, 7, x_49);
-x_51 = l_Lean_Meta_MatcherApp_toExpr(x_17);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
-}
-else
-{
-uint8_t x_53; 
-lean_free_object(x_17);
-lean_dec(x_40);
-lean_dec(x_38);
-lean_dec(x_37);
-lean_dec(x_36);
-lean_dec(x_35);
-lean_dec(x_34);
-lean_dec(x_33);
-lean_dec(x_32);
-x_53 = !lean_is_exclusive(x_45);
-if (x_53 == 0)
-{
-return x_45;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_45, 0);
-x_55 = lean_ctor_get(x_45, 1);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_dec(x_45);
-x_56 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_56, 0, x_54);
-lean_ctor_set(x_56, 1, x_55);
-return x_56;
-}
-}
-}
-else
-{
-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; size_t x_68; size_t x_69; lean_object* x_70; 
-x_57 = lean_ctor_get(x_17, 0);
-x_58 = lean_ctor_get(x_17, 1);
-x_59 = lean_ctor_get(x_17, 2);
-x_60 = lean_ctor_get(x_17, 3);
-x_61 = lean_ctor_get(x_17, 4);
-x_62 = lean_ctor_get(x_17, 5);
-x_63 = lean_ctor_get(x_17, 6);
-x_64 = lean_ctor_get(x_17, 7);
-x_65 = lean_ctor_get(x_17, 8);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_17);
-x_66 = l_Array_zip___rarg(x_64, x_63);
-lean_dec(x_64);
-x_67 = lean_array_get_size(x_66);
-x_68 = lean_usize_of_nat(x_67);
-lean_dec(x_67);
-x_69 = 0;
-x_70 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(x_4, x_5, x_3, x_6, x_68, x_69, x_66, x_8, x_9, x_10, x_11, x_12, x_30);
-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; 
-x_71 = lean_ctor_get(x_70, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_70, 1);
-lean_inc(x_72);
-if (lean_is_exclusive(x_70)) {
- lean_ctor_release(x_70, 0);
- lean_ctor_release(x_70, 1);
- x_73 = x_70;
-} else {
- lean_dec_ref(x_70);
- x_73 = lean_box(0);
-}
-x_74 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_74, 0, x_57);
-lean_ctor_set(x_74, 1, x_58);
-lean_ctor_set(x_74, 2, x_59);
-lean_ctor_set(x_74, 3, x_60);
-lean_ctor_set(x_74, 4, x_61);
-lean_ctor_set(x_74, 5, x_62);
-lean_ctor_set(x_74, 6, x_63);
-lean_ctor_set(x_74, 7, x_71);
-lean_ctor_set(x_74, 8, x_65);
-x_75 = l_Lean_Meta_MatcherApp_toExpr(x_74);
-if (lean_is_scalar(x_73)) {
- x_76 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_76 = x_73;
-}
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_72);
-return x_76;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-lean_dec(x_65);
-lean_dec(x_63);
-lean_dec(x_62);
-lean_dec(x_61);
-lean_dec(x_60);
-lean_dec(x_59);
-lean_dec(x_58);
-lean_dec(x_57);
-x_77 = lean_ctor_get(x_70, 0);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_70, 1);
-lean_inc(x_78);
-if (lean_is_exclusive(x_70)) {
- lean_ctor_release(x_70, 0);
- lean_ctor_release(x_70, 1);
- x_79 = x_70;
-} else {
- lean_dec_ref(x_70);
- x_79 = lean_box(0);
-}
-if (lean_is_scalar(x_79)) {
- x_80 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_80 = x_79;
-}
-lean_ctor_set(x_80, 0, x_77);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
-}
-}
-}
-}
-else
-{
-uint8_t x_81; 
-lean_dec(x_17);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_81 = !lean_is_exclusive(x_19);
-if (x_81 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_19, 0);
-x_83 = lean_ctor_get(x_19, 1);
-lean_inc(x_83);
-lean_inc(x_82);
-lean_dec(x_19);
-x_84 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-return x_84;
-}
-}
-}
-else
-{
-uint8_t x_85; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_85 = !lean_is_exclusive(x_16);
-if (x_85 == 0)
-{
-return x_16;
-}
-else
-{
-lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get(x_16, 0);
-x_87 = lean_ctor_get(x_16, 1);
-lean_inc(x_87);
-lean_inc(x_86);
-lean_dec(x_16);
-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;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; lean_object* x_13; 
-x_12 = lean_expr_instantiate1(x_1, x_5);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_13 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_12, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; uint8_t x_19; uint8_t x_20; lean_object* x_21; 
-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 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
-x_17 = lean_array_push(x_16, x_5);
-x_18 = 0;
-x_19 = 1;
-x_20 = 1;
-x_21 = l_Lean_Meta_mkLambdaFVars(x_17, x_14, x_18, x_19, x_20, x_7, x_8, x_9, x_10, x_15);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-return x_21;
-}
-else
-{
-uint8_t x_22; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-x_22 = !lean_is_exclusive(x_13);
-if (x_22 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_13, 0);
-x_24 = lean_ctor_get(x_13, 1);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_dec(x_13);
-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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; lean_object* x_13; 
-x_12 = lean_expr_instantiate1(x_1, x_5);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_13 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_12, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; uint8_t x_19; uint8_t x_20; lean_object* x_21; 
-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 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
-x_17 = lean_array_push(x_16, x_5);
-x_18 = 0;
-x_19 = 1;
-x_20 = 1;
-x_21 = l_Lean_Meta_mkForallFVars(x_17, x_14, x_18, x_19, x_20, x_7, x_8, x_9, x_10, x_15);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-return x_21;
-}
-else
-{
-uint8_t x_22; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-x_22 = !lean_is_exclusive(x_13);
-if (x_22 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_13, 0);
-x_24 = lean_ctor_get(x_13, 1);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_dec(x_13);
-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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; lean_object* x_13; 
-x_12 = lean_expr_instantiate1(x_1, x_5);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_13 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_2, x_3, x_4, x_12, x_6, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; uint8_t x_19; lean_object* x_20; 
-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 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__5___closed__6;
-x_17 = lean_array_push(x_16, x_5);
-x_18 = 0;
-x_19 = 1;
-x_20 = l_Lean_Meta_mkLambdaFVars(x_17, x_14, x_18, x_18, x_19, x_7, x_8, x_9, x_10, x_15);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-return x_20;
-}
-else
-{
-uint8_t x_21; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-x_21 = !lean_is_exclusive(x_13);
-if (x_21 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_13, 0);
-x_23 = lean_ctor_get(x_13, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_13);
-x_24 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
-}
-}
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("below before matcherApp.addArg: ");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string(" : ");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-switch (lean_obj_tag(x_4)) {
-case 5:
-{
-lean_object* x_11; lean_object* x_12; 
-lean_inc(x_4);
-x_11 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-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; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = l_Lean_Expr_getAppNumArgsAux(x_4, x_14);
-x_16 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_15);
-x_17 = lean_mk_array(x_15, x_16);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = lean_nat_sub(x_15, x_18);
-lean_dec(x_15);
-lean_inc(x_4);
-x_20 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7(x_1, x_2, x_3, x_4, x_4, x_17, x_19, x_5, x_6, x_7, x_8, x_9, x_13);
-return x_20;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_21 = lean_ctor_get(x_11, 1);
-lean_inc(x_21);
-lean_dec(x_11);
-x_22 = lean_ctor_get(x_12, 0);
-lean_inc(x_22);
-lean_dec(x_12);
-x_23 = l_Lean_Elab_Structural_RecArgInfo_recArgPos(x_2);
-lean_inc(x_4);
-lean_inc(x_1);
-x_24 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_1, x_23, x_4);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-lean_dec(x_22);
-x_25 = lean_unsigned_to_nat(0u);
-x_26 = l_Lean_Expr_getAppNumArgsAux(x_4, x_25);
-x_27 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___lambda__4___closed__1;
-lean_inc(x_26);
-x_28 = lean_mk_array(x_26, x_27);
-x_29 = lean_unsigned_to_nat(1u);
-x_30 = lean_nat_sub(x_26, x_29);
-lean_dec(x_26);
-lean_inc(x_4);
-x_31 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10(x_1, x_2, x_3, x_4, x_4, x_28, x_30, x_5, x_6, x_7, x_8, x_9, x_21);
-return x_31;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-x_32 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__6;
-x_58 = lean_st_ref_get(x_9, x_21);
-x_59 = lean_ctor_get(x_58, 0);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_59, 3);
-lean_inc(x_60);
-lean_dec(x_59);
-x_61 = lean_ctor_get_uint8(x_60, sizeof(void*)*1);
-lean_dec(x_60);
-if (x_61 == 0)
-{
-lean_object* x_62; uint8_t x_63; 
-x_62 = lean_ctor_get(x_58, 1);
-lean_inc(x_62);
-lean_dec(x_58);
-x_63 = 0;
-x_33 = x_63;
-x_34 = x_62;
-goto block_57;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
-x_64 = lean_ctor_get(x_58, 1);
-lean_inc(x_64);
-lean_dec(x_58);
-x_65 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_32, x_5, x_6, x_7, x_8, x_9, 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_unbox(x_66);
-lean_dec(x_66);
-x_33 = x_68;
-x_34 = x_67;
-goto block_57;
-}
-block_57:
-{
-if (x_33 == 0)
-{
-lean_object* x_35; lean_object* x_36; 
-x_35 = lean_box(0);
-x_36 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(x_22, x_3, x_4, x_1, x_2, x_32, x_35, x_5, x_6, x_7, x_8, x_9, x_34);
-return x_36;
-}
-else
-{
-lean_object* x_37; 
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_3);
-x_37 = lean_infer_type(x_3, x_6, x_7, x_8, x_9, x_34);
-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; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_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);
-lean_inc(x_3);
-x_40 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_40, 0, x_3);
-x_41 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2;
-x_42 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_40);
-x_43 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4;
-x_44 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_43);
-x_45 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_45, 0, x_38);
-x_46 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_46, 0, x_44);
-lean_ctor_set(x_46, 1, x_45);
-x_47 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_toBelowAux___closed__12;
-x_48 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_48, 0, x_46);
-lean_ctor_set(x_48, 1, x_47);
-x_49 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_32, x_48, x_5, x_6, x_7, x_8, x_9, x_39);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2(x_22, x_3, x_4, x_1, x_2, x_32, x_50, x_5, x_6, x_7, x_8, x_9, x_51);
-return x_52;
-}
-else
-{
-uint8_t x_53; 
-lean_dec(x_22);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_53 = !lean_is_exclusive(x_37);
-if (x_53 == 0)
-{
-return x_37;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_37, 0);
-x_55 = lean_ctor_get(x_37, 1);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_dec(x_37);
-x_56 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_56, 0, x_54);
-lean_ctor_set(x_56, 1, x_55);
-return x_56;
-}
-}
-}
-}
-}
-}
-}
-case 6:
-{
-lean_object* x_69; lean_object* x_70; lean_object* x_71; uint64_t x_72; lean_object* x_73; 
-x_69 = lean_ctor_get(x_4, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_4, 1);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_4, 2);
-lean_inc(x_71);
-x_72 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
-lean_dec(x_4);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_73 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_70, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_73) == 0)
-{
-lean_object* x_74; lean_object* x_75; uint8_t x_76; lean_object* x_77; lean_object* x_78; 
-x_74 = lean_ctor_get(x_73, 0);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_73, 1);
-lean_inc(x_75);
-lean_dec(x_73);
-x_76 = (uint8_t)((x_72 << 24) >> 61);
-x_77 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed), 11, 4);
-lean_closure_set(x_77, 0, x_71);
-lean_closure_set(x_77, 1, x_1);
-lean_closure_set(x_77, 2, x_2);
-lean_closure_set(x_77, 3, x_3);
-x_78 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(x_69, x_76, x_74, x_77, x_5, x_6, x_7, x_8, x_9, x_75);
-return x_78;
-}
-else
-{
-uint8_t x_79; 
-lean_dec(x_71);
-lean_dec(x_69);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_79 = !lean_is_exclusive(x_73);
-if (x_79 == 0)
-{
-return x_73;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_73, 0);
-x_81 = lean_ctor_get(x_73, 1);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_dec(x_73);
-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;
-}
-}
-}
-case 7:
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; uint64_t x_86; lean_object* x_87; 
-x_83 = lean_ctor_get(x_4, 0);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_4, 1);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_4, 2);
-lean_inc(x_85);
-x_86 = lean_ctor_get_uint64(x_4, sizeof(void*)*3);
-lean_dec(x_4);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_87 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_84, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_87) == 0)
-{
-lean_object* x_88; lean_object* x_89; uint8_t x_90; lean_object* x_91; lean_object* x_92; 
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
-x_90 = (uint8_t)((x_86 << 24) >> 61);
-x_91 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed), 11, 4);
-lean_closure_set(x_91, 0, x_85);
-lean_closure_set(x_91, 1, x_1);
-lean_closure_set(x_91, 2, x_2);
-lean_closure_set(x_91, 3, x_3);
-x_92 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(x_83, x_90, x_88, x_91, x_5, x_6, x_7, x_8, x_9, x_89);
-return x_92;
-}
-else
-{
-uint8_t x_93; 
-lean_dec(x_85);
-lean_dec(x_83);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_93 = !lean_is_exclusive(x_87);
-if (x_93 == 0)
-{
-return x_87;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_87, 0);
-x_95 = lean_ctor_get(x_87, 1);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_87);
-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;
-}
-}
-}
-case 8:
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_97 = lean_ctor_get(x_4, 0);
-lean_inc(x_97);
-x_98 = lean_ctor_get(x_4, 1);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_4, 2);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_4, 3);
-lean_inc(x_100);
-lean_dec(x_4);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_101 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_98, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_101) == 0)
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-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);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_104 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_99, x_5, x_6, x_7, x_8, x_9, x_103);
-if (lean_obj_tag(x_104) == 0)
-{
-lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
-lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed), 11, 4);
-lean_closure_set(x_107, 0, x_100);
-lean_closure_set(x_107, 1, x_1);
-lean_closure_set(x_107, 2, x_2);
-lean_closure_set(x_107, 3, x_3);
-x_108 = l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg(x_97, x_102, x_105, x_107, x_5, x_6, x_7, x_8, x_9, x_106);
-return x_108;
-}
-else
-{
-uint8_t x_109; 
-lean_dec(x_102);
-lean_dec(x_100);
-lean_dec(x_97);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_109 = !lean_is_exclusive(x_104);
-if (x_109 == 0)
-{
-return x_104;
-}
-else
-{
-lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_110 = lean_ctor_get(x_104, 0);
-x_111 = lean_ctor_get(x_104, 1);
-lean_inc(x_111);
-lean_inc(x_110);
-lean_dec(x_104);
-x_112 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_112, 0, x_110);
-lean_ctor_set(x_112, 1, x_111);
-return x_112;
-}
-}
-}
-else
-{
-uint8_t x_113; 
-lean_dec(x_100);
-lean_dec(x_99);
-lean_dec(x_97);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_113 = !lean_is_exclusive(x_101);
-if (x_113 == 0)
-{
-return x_101;
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_101, 0);
-x_115 = lean_ctor_get(x_101, 1);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_dec(x_101);
-x_116 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_116, 0, x_114);
-lean_ctor_set(x_116, 1, x_115);
-return x_116;
-}
-}
-}
-case 10:
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_117 = lean_ctor_get(x_4, 0);
-lean_inc(x_117);
-x_118 = lean_ctor_get(x_4, 1);
-lean_inc(x_118);
-x_119 = l_Lean_getRecAppSyntax_x3f(x_4);
-lean_dec(x_4);
-if (lean_obj_tag(x_119) == 0)
-{
-lean_object* x_120; 
-x_120 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_118, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_120) == 0)
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_120);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_120, 0);
-x_123 = l_Lean_mkMData(x_117, x_122);
-lean_ctor_set(x_120, 0, x_123);
-return x_120;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_124 = lean_ctor_get(x_120, 0);
-x_125 = lean_ctor_get(x_120, 1);
-lean_inc(x_125);
-lean_inc(x_124);
-lean_dec(x_120);
-x_126 = l_Lean_mkMData(x_117, x_124);
-x_127 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_127, 0, x_126);
-lean_ctor_set(x_127, 1, x_125);
-return x_127;
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_117);
-x_128 = !lean_is_exclusive(x_120);
-if (x_128 == 0)
-{
-return x_120;
-}
-else
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_120, 0);
-x_130 = lean_ctor_get(x_120, 1);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_dec(x_120);
-x_131 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_131, 0, x_129);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-else
-{
-lean_dec(x_119);
-lean_dec(x_117);
-x_4 = x_118;
-goto _start;
-}
-}
-case 11:
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
-x_133 = lean_ctor_get(x_4, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_4, 1);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_4, 2);
-lean_inc(x_135);
-lean_dec(x_4);
-x_136 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_135, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_136) == 0)
-{
-uint8_t x_137; 
-x_137 = !lean_is_exclusive(x_136);
-if (x_137 == 0)
-{
-lean_object* x_138; lean_object* x_139; 
-x_138 = lean_ctor_get(x_136, 0);
-x_139 = l_Lean_mkProj(x_133, x_134, x_138);
-lean_ctor_set(x_136, 0, x_139);
-return x_136;
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-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 = l_Lean_mkProj(x_133, x_134, x_140);
-x_143 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_143, 0, x_142);
-lean_ctor_set(x_143, 1, x_141);
-return x_143;
-}
-}
-else
-{
-uint8_t x_144; 
-lean_dec(x_134);
-lean_dec(x_133);
-x_144 = !lean_is_exclusive(x_136);
-if (x_144 == 0)
-{
-return x_136;
-}
-else
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_145 = lean_ctor_get(x_136, 0);
-x_146 = lean_ctor_get(x_136, 1);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_dec(x_136);
-x_147 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_147, 0, x_145);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
-}
-}
-}
-default: 
-{
-lean_object* x_148; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-x_148 = l_Lean_Elab_ensureNoRecFn(x_1, x_4, x_6, x_7, x_8, x_9, x_10);
-return x_148;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-size_t x_13; size_t x_14; lean_object* x_15; 
-x_13 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_14 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__3(x_1, x_2, x_3, x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_15;
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
-_start:
-{
-lean_object* x_17; 
-x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_6);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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) {
-_start:
-{
-size_t x_13; size_t x_14; lean_object* x_15; 
-x_13 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_14 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__8(x_1, x_2, x_3, x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_15;
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
-_start:
-{
-lean_object* x_17; 
-x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___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, x_13, x_14, x_15, x_16);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__10___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_6);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-size_t x_13; size_t x_14; lean_object* x_15; 
-x_13 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_14 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__11(x_1, x_2, x_3, x_13, x_14, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_15;
-}
-}
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
-_start:
-{
-lean_object* x_17; 
-x_17 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__12(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__13___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_6);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15___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_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; 
-x_13 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_6);
-lean_dec(x_1);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-lean_object* x_15; 
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-lean_dec(x_1);
-return x_15;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___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:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_15 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17(x_1, x_2, x_3, x_4, x_14, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-uint8_t x_11; lean_object* x_12; 
-x_11 = lean_unbox(x_2);
-lean_dec(x_2);
-x_12 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__18___rarg(x_1, x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_1);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_1);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_1);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg___lambda__1), 9, 2);
-lean_closure_set(x_10, 0, x_3);
-lean_closure_set(x_10, 1, x_4);
-x_11 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAux___rarg(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_11) == 0)
-{
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_13);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-}
-else
-{
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_11);
-if (x_16 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_11);
-x_19 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_19, 0, x_17);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Structural_mkBRecOn___spec__1___rarg), 9, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; 
@@ -7469,7 +9084,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_18);
-x_19 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop(x_1, x_2, x_18, x_3, x_10, x_11, x_12, x_13, x_14, x_15);
+x_19 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps(x_1, x_2, x_18, x_3, x_10, x_11, x_12, x_13, x_14, x_15);
 if (lean_obj_tag(x_19) == 0)
 {
 lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; uint8_t x_28; uint8_t x_29; lean_object* x_30; 
@@ -7763,7 +9378,7 @@ x_44 = lean_ctor_get(x_38, 1);
 lean_inc(x_44);
 lean_dec(x_38);
 lean_inc(x_9);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_9, x_12, x_13, x_14, x_15, x_16, x_44);
+x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_9, x_12, x_13, x_14, x_15, x_16, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -7799,7 +9414,7 @@ x_31 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Struct
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_9, x_32, x_12, x_13, x_14, x_15, x_16, x_25);
+x_33 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_9, x_32, x_12, x_13, x_14, x_15, x_16, x_25);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
@@ -7916,7 +9531,7 @@ x_37 = lean_ctor_get(x_31, 1);
 lean_inc(x_37);
 lean_dec(x_31);
 lean_inc(x_8);
-x_38 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_8, x_11, x_12, x_13, x_14, x_15, x_37);
+x_38 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_8, x_11, x_12, x_13, x_14, x_15, x_37);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -7952,7 +9567,7 @@ x_25 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_25, 0, x_23);
 lean_ctor_set(x_25, 1, x_24);
 lean_inc(x_8);
-x_26 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_8, x_25, x_11, x_12, x_13, x_14, x_15, x_18);
+x_26 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_8, x_25, x_11, x_12, x_13, x_14, x_15, x_18);
 x_27 = lean_ctor_get(x_26, 0);
 lean_inc(x_27);
 x_28 = lean_ctor_get(x_26, 1);
@@ -8080,7 +9695,7 @@ x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
 lean_inc(x_8);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_8, x_12, x_13, x_14, x_15, x_16, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_8, x_12, x_13, x_14, x_15, x_16, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8116,7 +9731,7 @@ x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
 lean_inc(x_8);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_8, x_37, x_12, x_13, x_14, x_15, x_16, x_30);
+x_38 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_8, x_37, x_12, x_13, x_14, x_15, x_16, x_30);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -8265,7 +9880,7 @@ x_44 = lean_ctor_get(x_39, 1);
 lean_inc(x_44);
 lean_dec(x_39);
 lean_inc(x_7);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_7, x_11, x_12, x_13, x_14, x_15, x_44);
+x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_7, x_11, x_12, x_13, x_14, x_15, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -8301,7 +9916,7 @@ x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
 lean_inc(x_7);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_7, x_33, x_11, x_12, x_13, x_14, x_15, x_26);
+x_34 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_7, x_33, x_11, x_12, x_13, x_14, x_15, x_26);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -8524,7 +10139,7 @@ x_43 = lean_ctor_get(x_38, 1);
 lean_inc(x_43);
 lean_dec(x_38);
 lean_inc(x_7);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_7, x_9, x_10, x_11, x_12, x_13, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_7, x_9, x_10, x_11, x_12, x_13, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -8560,7 +10175,7 @@ x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
 lean_inc(x_7);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_7, x_32, x_9, x_10, x_11, x_12, x_13, x_25);
+x_33 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_7, x_32, x_9, x_10, x_11, x_12, x_13, x_25);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
@@ -8735,7 +10350,7 @@ x_63 = 0;
 x_64 = lean_usize_of_nat(x_20);
 lean_dec(x_20);
 x_65 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___lambda__1___closed__1;
-x_66 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_2, x_19, x_16, x_63, x_64, x_65);
+x_66 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4(x_2, x_19, x_16, x_63, x_64, x_65);
 lean_dec(x_16);
 x_24 = x_66;
 goto block_59;
@@ -8769,7 +10384,7 @@ x_54 = lean_ctor_get(x_23, 1);
 lean_inc(x_54);
 lean_dec(x_23);
 lean_inc(x_4);
-x_55 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_4, x_6, x_7, x_8, x_9, x_10, x_54);
+x_55 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_4, x_6, x_7, x_8, x_9, x_10, x_54);
 x_56 = lean_ctor_get(x_55, 0);
 lean_inc(x_56);
 x_57 = lean_ctor_get(x_55, 1);
@@ -8821,7 +10436,7 @@ x_43 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_43, 0, x_41);
 lean_ctor_set(x_43, 1, x_42);
 lean_inc(x_4);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_4, x_43, x_6, x_7, x_8, x_9, x_10, x_26);
+x_44 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_4, x_43, x_6, x_7, x_8, x_9, x_10, x_26);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -8913,7 +10528,7 @@ lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint
 x_31 = lean_ctor_get(x_25, 1);
 lean_inc(x_31);
 lean_dec(x_25);
-x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__15(x_10, x_4, x_5, x_6, x_7, x_8, x_31);
+x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_10, x_4, x_5, x_6, x_7, x_8, x_31);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -8948,7 +10563,7 @@ x_18 = l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Struct
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_17);
 lean_ctor_set(x_19, 1, x_18);
-x_20 = l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14(x_10, x_19, x_4, x_5, x_6, x_7, x_8, x_12);
+x_20 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_10, x_19, x_4, x_5, x_6, x_7, x_8, x_12);
 x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
@@ -8960,7 +10575,33 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___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_EXPORT lean_object* l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_addTrace___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___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___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Structural_mkBRecOn___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 size_t x_7; size_t x_8; lean_object* x_9; 
@@ -8968,7 +10609,7 @@ x_7 = lean_unbox_usize(x_4);
 lean_dec(x_4);
 x_8 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_9 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__2(x_1, x_2, x_3, x_7, x_8, x_6);
+x_9 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_mkBRecOn___spec__4(x_1, x_2, x_3, x_7, x_8, x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -9066,6 +10707,7 @@ return x_18;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Util_HasConstCache(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Match_Match(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Elab_RecAppSyntax(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Elab_PreDefinition_Basic(uint8_t builtin, lean_object*);
@@ -9078,6 +10720,9 @@ _G_initialized = true;
 res = initialize_Init(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Util_HasConstCache(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 res = initialize_Lean_Meta_Match_Match(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
@@ -9186,34 +10831,34 @@ l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__1);
 l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2 = _init_l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2();
 lean_mark_persistent(l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__7___closed__2);
-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__1);
-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__2);
-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__3);
-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__4);
-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__5 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__5();
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-l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__14___closed__6();
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-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__1);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__2);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__3);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__2___closed__4);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__1);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__2);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__3);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__17___lambda__3___closed__4);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__1);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__2);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__3);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__4);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__5);
+l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6 = _init_l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__19___rarg___closed__6);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__1);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__2);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__3);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__2___closed__4);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__1);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__2);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__3);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__22___lambda__3___closed__4);
 l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__1);
 l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__2();
@@ -9222,14 +10867,16 @@ l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_re
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__1___closed__3);
 l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__2___closed__1);
-l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__1);
-l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__2);
-l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__3);
-l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___closed__4);
+l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__1);
+l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__2);
+l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__3);
+l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___lambda__6___closed__4);
+l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1 = _init_l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps___closed__1);
 l_Lean_Elab_Structural_mkBRecOn___lambda__1___closed__1 = _init_l_Lean_Elab_Structural_mkBRecOn___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_Structural_mkBRecOn___lambda__1___closed__1);
 l_Lean_Elab_Structural_mkBRecOn___lambda__3___closed__1 = _init_l_Lean_Elab_Structural_mkBRecOn___lambda__3___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Basic.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Basic.c
index a95243a5ca..bb28201e5d 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Basic.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Basic.c
@@ -269,7 +269,6 @@ x_4 = l_Lean_Expr_isAppOf(x_3, x_1);
 if (x_4 == 0)
 {
 uint8_t x_5; 
-lean_dec(x_3);
 x_5 = 0;
 return x_5;
 }
@@ -283,7 +282,6 @@ if (x_8 == 0)
 {
 uint8_t x_9; 
 lean_dec(x_7);
-lean_dec(x_3);
 x_9 = 0;
 return x_9;
 }
@@ -331,6 +329,7 @@ _start:
 {
 uint8_t x_4; lean_object* x_5; 
 x_4 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt___lambda__1(x_1, x_2, x_3);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_5 = lean_box(x_4);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
index 3a64092f24..c88d84cd5e 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
@@ -20,12 +20,12 @@ lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* l_Lean_Elab_addAsAxiom(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Structural_structuralRecursion___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_structuralRecursion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__6___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_initFn____x40_Lean_Elab_PreDefinition_Structural_Main___hyg_1102_(lean_object*);
@@ -43,6 +43,7 @@ static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_
 lean_object* l_Lean_Elab_eraseRecAppSyntax(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___closed__4;
 uint8_t lean_usize_dec_lt(size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___closed__2;
 extern lean_object* l_Lean_levelZero;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___closed__6;
@@ -67,14 +68,13 @@ static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_
 lean_object* l_Nat_repr(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_structuralRecursion___closed__3;
-LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_instInhabitedPreDefinition;
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__2___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___closed__7;
-lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_structuralRecursion___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_getFixedPrefix___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__2___closed__4;
@@ -103,12 +103,14 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forEachExpr_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_structuralRecursion___closed__1;
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_Lean_addTrace___at___private_Lean_Elab_PreDefinition_Structural_IndPred_0__Lean_Elab_Structural_replaceIndPredRecApps_loop___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_getFixedPrefix___lambda__2___closed__2;
 lean_object* l_Lean_Elab_Structural_run___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentD(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(lean_object*);
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Structural_addSmartUnfoldingDef(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -116,6 +118,7 @@ static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__6___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__2___closed__3;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__6___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1137,7 +1140,78 @@ lean_dec(x_1);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___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_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = lean_apply_8(x_1, x_3, x_4, x_2, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; 
+x_9 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg___lambda__1), 9, 2);
+lean_closure_set(x_9, 0, x_2);
+lean_closure_set(x_9, 1, x_3);
+x_10 = 0;
+x_11 = l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(x_1, x_10, x_9, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_11, 1);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_11);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_13);
+lean_ctor_set(x_15, 1, x_14);
+return x_15;
+}
+}
+else
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_11);
+if (x_16 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_11, 0);
+x_18 = lean_ctor_get(x_11, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_11);
+x_19 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
@@ -2006,7 +2080,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_16 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_BRecOn_0__Lean_Elab_Structural_replaceRecApps_loop___spec__16___rarg(x_10, x_11, x_4, x_5, x_6, x_7, x_8, x_14);
+x_16 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1___rarg(x_10, x_11, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_16) == 0)
 {
 lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
@@ -2015,7 +2089,7 @@ lean_inc(x_17);
 x_18 = lean_ctor_get(x_16, 1);
 lean_inc(x_18);
 lean_dec(x_16);
-x_19 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(x_15, x_4, x_5, x_6, x_7, x_8, x_18);
+x_19 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_18);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -2050,7 +2124,7 @@ lean_inc(x_24);
 x_25 = lean_ctor_get(x_16, 1);
 lean_inc(x_25);
 lean_dec(x_16);
-x_26 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(x_15, x_4, x_5, x_6, x_7, x_8, x_25);
+x_26 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_25);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -2240,11 +2314,11 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___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_EXPORT lean_object* l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
index 37e4aa385a..5cee4cbf86 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Elab.PreDefinition.WF.Fix
-// Imports: Init Lean.Meta.Match.Match Lean.Meta.Tactic.Simp.Main Lean.Meta.Tactic.Cleanup Lean.Elab.Tactic.Basic Lean.Elab.RecAppSyntax Lean.Elab.PreDefinition.Basic Lean.Elab.PreDefinition.Structural.Basic Lean.Elab.PreDefinition.Structural.BRecOn
+// Imports: Init Lean.Util.HasConstCache Lean.Meta.Match.Match Lean.Meta.Tactic.Simp.Main Lean.Meta.Tactic.Cleanup Lean.Elab.Tactic.Basic Lean.Elab.RecAppSyntax Lean.Elab.PreDefinition.Basic Lean.Elab.PreDefinition.Structural.Basic Lean.Elab.PreDefinition.Structural.BRecOn
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -18,83 +18,98 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_p
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__8;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__1;
 lean_object* l_Lean_mkSort(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn(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_LocalDecl_userName(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__5;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__2;
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_SourceInfo_fromRef(lean_object*);
 lean_object* l_Lean_Meta_MatcherApp_addArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__4;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getRecAppSyntax_x3f(lean_object*);
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalTacticAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__3;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 uint8_t l_Lean_Elab_Structural_recArgHasLooseBVarsAt(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__6;
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__7;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5;
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__2;
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instInhabitedTermElabM(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__1;
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4;
 lean_object* l_Lean_Meta_mkAppOptM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__5;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2;
 lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_cleanup(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__6;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__2;
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_st_ref_take(lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3___closed__1;
@@ -109,23 +124,27 @@ lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__8;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object*, lean_object*);
+lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___closed__1;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__4;
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_elabLetDeclAux___spec__1___rarg(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_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__7;
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedExpr;
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
@@ -139,10 +158,13 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Lean_Meta_etaExpand(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3;
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__3;
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
@@ -151,63 +173,73 @@ uint8_t lean_expr_eqv(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___lambda__2___closed__2;
 static lean_object* l_Lean_Elab_WF_mkFix___closed__2;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_beta(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn(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_MatcherApp_toExpr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_mkFix___lambda__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_mkApp4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___rarg(lean_object*, lean_object*, lean_object*);
+lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
+lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkArrow(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toArrayAux___rarg(lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6;
 lean_object* lean_panic_fn(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1(lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_arity(lean_object*);
 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_reportUnsolvedGoals(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentD(lean_object*);
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_setUserName(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6;
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___closed__6;
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__3;
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__2;
 lean_object* l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkFix(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Structural_refinedArgType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1;
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___boxed(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -707,14 +739,74 @@ lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_15; 
-x_15 = lean_usize_dec_lt(x_6, x_5);
-if (x_15 == 0)
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_11 = lean_st_ref_get(x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_take(x_3, x_12);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = l_Lean_HasConstCache_containsUnsafe(x_1, x_2, x_14);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_st_ref_set(x_3, x_18, x_15);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_16; 
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+lean_ctor_set(x_19, 0, x_17);
+return x_19;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_17);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_6, x_5);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -725,17 +817,18 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_7);
-lean_ctor_set(x_16, 1, x_14);
-return x_16;
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_7);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_17 = lean_array_uget(x_7, x_6);
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_array_uset(x_7, x_6, x_18);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_array_uget(x_7, x_6);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_array_uset(x_7, x_6, x_19);
+lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
@@ -746,27 +839,28 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_20) == 0)
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
+lean_object* x_22; lean_object* x_23; size_t x_24; size_t x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_21, 0);
 lean_inc(x_22);
-lean_dec(x_20);
-x_23 = 1;
-x_24 = lean_usize_add(x_6, x_23);
-x_25 = lean_array_uset(x_19, x_6, x_21);
-x_6 = x_24;
-x_7 = x_25;
-x_14 = x_22;
+x_23 = lean_ctor_get(x_21, 1);
+lean_inc(x_23);
+lean_dec(x_21);
+x_24 = 1;
+x_25 = lean_usize_add(x_6, x_24);
+x_26 = lean_array_uset(x_20, x_6, x_22);
+x_6 = x_25;
+x_7 = x_26;
+x_15 = x_23;
 goto _start;
 }
 else
 {
-uint8_t x_27; 
-lean_dec(x_19);
+uint8_t x_28; 
+lean_dec(x_20);
+lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -777,6 +871,933 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
+x_28 = !lean_is_exclusive(x_21);
+if (x_28 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_21, 0);
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_21);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_levelZero;
+x_2 = l_Lean_mkSort(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = l_Lean_Expr_getAppNumArgsAux(x_5, x_14);
+x_16 = lean_unsigned_to_nat(1u);
+x_17 = lean_nat_add(x_2, x_16);
+x_18 = lean_nat_dec_lt(x_15, x_17);
+if (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; 
+x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
+lean_inc(x_15);
+x_20 = lean_mk_array(x_15, x_19);
+x_21 = lean_nat_sub(x_15, x_16);
+lean_dec(x_15);
+x_22 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_5, x_20, x_21);
+x_23 = l_Lean_instInhabitedExpr;
+x_24 = lean_array_get(x_23, x_22, x_2);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_25 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+lean_inc(x_4);
+x_28 = l_Lean_mkApp(x_4, x_26);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_28);
+x_29 = lean_infer_type(x_28, x_9, x_10, x_11, x_12, x_27);
+if (lean_obj_tag(x_29) == 0)
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+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_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_32 = lean_whnf(x_30, x_9, x_10, x_11, x_12, 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; 
+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_Lean_Expr_bindingDomain_x21(x_33);
+lean_dec(x_33);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_3);
+x_36 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_35, x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_34);
+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; lean_object* x_43; size_t x_44; size_t x_45; lean_object* x_46; 
+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 = l_Lean_mkApp(x_28, x_37);
+x_40 = lean_array_get_size(x_22);
+x_41 = l_Array_toSubarray___rarg(x_22, x_17, x_40);
+x_42 = l_Array_ofSubarray___rarg(x_41);
+x_43 = lean_array_get_size(x_42);
+x_44 = lean_usize_of_nat(x_43);
+lean_dec(x_43);
+x_45 = 0;
+x_46 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(x_1, x_2, x_3, x_4, x_44, x_45, x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_38);
+if (lean_obj_tag(x_46) == 0)
+{
+uint8_t x_47; 
+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_Lean_mkAppN(x_39, x_48);
+lean_ctor_set(x_46, 0, x_49);
+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_Lean_mkAppN(x_39, x_50);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_51);
+return x_53;
+}
+}
+else
+{
+uint8_t x_54; 
+lean_dec(x_39);
+x_54 = !lean_is_exclusive(x_46);
+if (x_54 == 0)
+{
+return x_46;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_46, 0);
+x_56 = lean_ctor_get(x_46, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_46);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_28);
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_58 = !lean_is_exclusive(x_36);
+if (x_58 == 0)
+{
+return x_36;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_36, 0);
+x_60 = lean_ctor_get(x_36, 1);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_36);
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
+}
+}
+}
+else
+{
+uint8_t x_62; 
+lean_dec(x_28);
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_62 = !lean_is_exclusive(x_32);
+if (x_62 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_32, 0);
+x_64 = lean_ctor_get(x_32, 1);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_32);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
+}
+}
+else
+{
+uint8_t x_66; 
+lean_dec(x_28);
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_66 = !lean_is_exclusive(x_29);
+if (x_66 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_67 = lean_ctor_get(x_29, 0);
+x_68 = lean_ctor_get(x_29, 1);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_dec(x_29);
+x_69 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_69, 0, x_67);
+lean_ctor_set(x_69, 1, x_68);
+return x_69;
+}
+}
+}
+else
+{
+uint8_t x_70; 
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_70 = !lean_is_exclusive(x_25);
+if (x_70 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_71 = lean_ctor_get(x_25, 0);
+x_72 = lean_ctor_get(x_25, 1);
+lean_inc(x_72);
+lean_inc(x_71);
+lean_dec(x_25);
+x_73 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+return x_73;
+}
+}
+}
+else
+{
+lean_object* x_74; 
+lean_dec(x_17);
+lean_dec(x_15);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_74 = l_Lean_Meta_etaExpand(x_5, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_76);
+return x_77;
+}
+else
+{
+uint8_t x_78; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_78 = !lean_is_exclusive(x_74);
+if (x_78 == 0)
+{
+return x_74;
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_79 = lean_ctor_get(x_74, 0);
+x_80 = lean_ctor_get(x_74, 1);
+lean_inc(x_80);
+lean_inc(x_79);
+lean_dec(x_74);
+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_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_10, 0);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_13, x_1);
+lean_ctor_set(x_10, 0, x_14);
+return x_10;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_10, 0);
+x_16 = lean_ctor_get(x_10, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_10);
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_17, x_1);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_16);
+return x_19;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg___boxed), 9, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Expr_getAppFn(x_2);
+if (lean_obj_tag(x_11) == 4)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+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);
+lean_inc(x_12);
+x_14 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg(x_12, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+if (lean_obj_tag(x_15) == 0)
+{
+uint8_t x_16; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_2);
+x_16 = !lean_is_exclusive(x_14);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_14, 0);
+lean_dec(x_17);
+x_18 = lean_box(0);
+lean_ctor_set(x_14, 0, x_18);
+return x_14;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_dec(x_14);
+x_20 = lean_box(0);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+return x_21;
+}
+}
+else
+{
+uint8_t x_22; 
+x_22 = !lean_is_exclusive(x_14);
+if (x_22 == 0)
+{
+lean_object* x_23; uint8_t x_24; 
+x_23 = lean_ctor_get(x_14, 0);
+lean_dec(x_23);
+x_24 = !lean_is_exclusive(x_15);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+x_25 = lean_ctor_get(x_15, 0);
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = l_Lean_Expr_getAppNumArgsAux(x_2, x_26);
+x_28 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___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);
+x_32 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_29, x_31);
+x_33 = lean_array_get_size(x_32);
+x_34 = l_Lean_Meta_Match_MatcherInfo_arity(x_25);
+x_35 = lean_nat_dec_lt(x_33, x_34);
+lean_dec(x_34);
+if (x_35 == 0)
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_36 = l_List_redLength___rarg(x_13);
+x_37 = lean_mk_empty_array_with_capacity(x_36);
+lean_dec(x_36);
+x_38 = l_List_toArrayAux___rarg(x_13, x_37);
+x_39 = lean_ctor_get(x_25, 3);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_25, 0);
+lean_inc(x_40);
+lean_inc(x_40);
+lean_inc(x_32);
+x_41 = l_Array_extract___rarg(x_32, x_26, x_40);
+x_42 = l_Lean_instInhabitedExpr;
+x_43 = lean_array_get(x_42, x_32, x_40);
+x_44 = lean_nat_add(x_40, x_30);
+lean_dec(x_40);
+x_45 = lean_ctor_get(x_25, 1);
+lean_inc(x_45);
+x_46 = lean_nat_add(x_44, x_45);
+lean_dec(x_45);
+lean_inc(x_46);
+lean_inc(x_32);
+x_47 = l_Array_toSubarray___rarg(x_32, x_44, x_46);
+x_48 = l_Array_ofSubarray___rarg(x_47);
+x_49 = lean_ctor_get(x_25, 2);
+lean_inc(x_49);
+x_50 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_25);
+lean_dec(x_25);
+x_51 = lean_nat_add(x_46, x_50);
+lean_dec(x_50);
+lean_inc(x_51);
+lean_inc(x_32);
+x_52 = l_Array_toSubarray___rarg(x_32, x_46, x_51);
+x_53 = l_Array_ofSubarray___rarg(x_52);
+x_54 = l_Array_toSubarray___rarg(x_32, x_51, x_33);
+x_55 = l_Array_ofSubarray___rarg(x_54);
+x_56 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_56, 0, x_12);
+lean_ctor_set(x_56, 1, x_38);
+lean_ctor_set(x_56, 2, x_39);
+lean_ctor_set(x_56, 3, x_41);
+lean_ctor_set(x_56, 4, x_43);
+lean_ctor_set(x_56, 5, x_48);
+lean_ctor_set(x_56, 6, x_49);
+lean_ctor_set(x_56, 7, x_53);
+lean_ctor_set(x_56, 8, x_55);
+lean_ctor_set(x_15, 0, x_56);
+return x_14;
+}
+else
+{
+lean_object* x_57; 
+lean_dec(x_33);
+lean_dec(x_32);
+lean_free_object(x_15);
+lean_dec(x_25);
+lean_dec(x_13);
+lean_dec(x_12);
+x_57 = lean_box(0);
+lean_ctor_set(x_14, 0, x_57);
+return x_14;
+}
+}
+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; uint8_t x_68; 
+x_58 = lean_ctor_get(x_15, 0);
+lean_inc(x_58);
+lean_dec(x_15);
+x_59 = lean_unsigned_to_nat(0u);
+x_60 = l_Lean_Expr_getAppNumArgsAux(x_2, x_59);
+x_61 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
+lean_inc(x_60);
+x_62 = lean_mk_array(x_60, x_61);
+x_63 = lean_unsigned_to_nat(1u);
+x_64 = lean_nat_sub(x_60, x_63);
+lean_dec(x_60);
+x_65 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_62, x_64);
+x_66 = lean_array_get_size(x_65);
+x_67 = l_Lean_Meta_Match_MatcherInfo_arity(x_58);
+x_68 = lean_nat_dec_lt(x_66, x_67);
+lean_dec(x_67);
+if (x_68 == 0)
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_69 = l_List_redLength___rarg(x_13);
+x_70 = lean_mk_empty_array_with_capacity(x_69);
+lean_dec(x_69);
+x_71 = l_List_toArrayAux___rarg(x_13, x_70);
+x_72 = lean_ctor_get(x_58, 3);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_58, 0);
+lean_inc(x_73);
+lean_inc(x_73);
+lean_inc(x_65);
+x_74 = l_Array_extract___rarg(x_65, x_59, x_73);
+x_75 = l_Lean_instInhabitedExpr;
+x_76 = lean_array_get(x_75, x_65, x_73);
+x_77 = lean_nat_add(x_73, x_63);
+lean_dec(x_73);
+x_78 = lean_ctor_get(x_58, 1);
+lean_inc(x_78);
+x_79 = lean_nat_add(x_77, x_78);
+lean_dec(x_78);
+lean_inc(x_79);
+lean_inc(x_65);
+x_80 = l_Array_toSubarray___rarg(x_65, x_77, x_79);
+x_81 = l_Array_ofSubarray___rarg(x_80);
+x_82 = lean_ctor_get(x_58, 2);
+lean_inc(x_82);
+x_83 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_58);
+lean_dec(x_58);
+x_84 = lean_nat_add(x_79, x_83);
+lean_dec(x_83);
+lean_inc(x_84);
+lean_inc(x_65);
+x_85 = l_Array_toSubarray___rarg(x_65, x_79, x_84);
+x_86 = l_Array_ofSubarray___rarg(x_85);
+x_87 = l_Array_toSubarray___rarg(x_65, x_84, x_66);
+x_88 = l_Array_ofSubarray___rarg(x_87);
+x_89 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_89, 0, x_12);
+lean_ctor_set(x_89, 1, x_71);
+lean_ctor_set(x_89, 2, x_72);
+lean_ctor_set(x_89, 3, x_74);
+lean_ctor_set(x_89, 4, x_76);
+lean_ctor_set(x_89, 5, x_81);
+lean_ctor_set(x_89, 6, x_82);
+lean_ctor_set(x_89, 7, x_86);
+lean_ctor_set(x_89, 8, x_88);
+x_90 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_14, 0, x_90);
+return x_14;
+}
+else
+{
+lean_object* x_91; 
+lean_dec(x_66);
+lean_dec(x_65);
+lean_dec(x_58);
+lean_dec(x_13);
+lean_dec(x_12);
+x_91 = lean_box(0);
+lean_ctor_set(x_14, 0, x_91);
+return x_14;
+}
+}
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
+x_92 = lean_ctor_get(x_14, 1);
+lean_inc(x_92);
+lean_dec(x_14);
+x_93 = lean_ctor_get(x_15, 0);
+lean_inc(x_93);
+if (lean_is_exclusive(x_15)) {
+ lean_ctor_release(x_15, 0);
+ x_94 = x_15;
+} else {
+ lean_dec_ref(x_15);
+ x_94 = lean_box(0);
+}
+x_95 = lean_unsigned_to_nat(0u);
+x_96 = l_Lean_Expr_getAppNumArgsAux(x_2, x_95);
+x_97 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
+lean_inc(x_96);
+x_98 = lean_mk_array(x_96, x_97);
+x_99 = lean_unsigned_to_nat(1u);
+x_100 = lean_nat_sub(x_96, x_99);
+lean_dec(x_96);
+x_101 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_98, x_100);
+x_102 = lean_array_get_size(x_101);
+x_103 = l_Lean_Meta_Match_MatcherInfo_arity(x_93);
+x_104 = lean_nat_dec_lt(x_102, 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; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_105 = l_List_redLength___rarg(x_13);
+x_106 = lean_mk_empty_array_with_capacity(x_105);
+lean_dec(x_105);
+x_107 = l_List_toArrayAux___rarg(x_13, x_106);
+x_108 = lean_ctor_get(x_93, 3);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_93, 0);
+lean_inc(x_109);
+lean_inc(x_109);
+lean_inc(x_101);
+x_110 = l_Array_extract___rarg(x_101, x_95, x_109);
+x_111 = l_Lean_instInhabitedExpr;
+x_112 = lean_array_get(x_111, x_101, x_109);
+x_113 = lean_nat_add(x_109, x_99);
+lean_dec(x_109);
+x_114 = lean_ctor_get(x_93, 1);
+lean_inc(x_114);
+x_115 = lean_nat_add(x_113, x_114);
+lean_dec(x_114);
+lean_inc(x_115);
+lean_inc(x_101);
+x_116 = l_Array_toSubarray___rarg(x_101, x_113, x_115);
+x_117 = l_Array_ofSubarray___rarg(x_116);
+x_118 = lean_ctor_get(x_93, 2);
+lean_inc(x_118);
+x_119 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_93);
+lean_dec(x_93);
+x_120 = lean_nat_add(x_115, x_119);
+lean_dec(x_119);
+lean_inc(x_120);
+lean_inc(x_101);
+x_121 = l_Array_toSubarray___rarg(x_101, x_115, x_120);
+x_122 = l_Array_ofSubarray___rarg(x_121);
+x_123 = l_Array_toSubarray___rarg(x_101, x_120, x_102);
+x_124 = l_Array_ofSubarray___rarg(x_123);
+x_125 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_125, 0, x_12);
+lean_ctor_set(x_125, 1, x_107);
+lean_ctor_set(x_125, 2, x_108);
+lean_ctor_set(x_125, 3, x_110);
+lean_ctor_set(x_125, 4, x_112);
+lean_ctor_set(x_125, 5, x_117);
+lean_ctor_set(x_125, 6, x_118);
+lean_ctor_set(x_125, 7, x_122);
+lean_ctor_set(x_125, 8, x_124);
+if (lean_is_scalar(x_94)) {
+ x_126 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_126 = x_94;
+}
+lean_ctor_set(x_126, 0, x_125);
+x_127 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_127, 0, x_126);
+lean_ctor_set(x_127, 1, x_92);
+return x_127;
+}
+else
+{
+lean_object* x_128; lean_object* x_129; 
+lean_dec(x_102);
+lean_dec(x_101);
+lean_dec(x_94);
+lean_dec(x_93);
+lean_dec(x_13);
+lean_dec(x_12);
+x_128 = lean_box(0);
+x_129 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_92);
+return x_129;
+}
+}
+}
+}
+else
+{
+lean_object* x_130; lean_object* x_131; 
+lean_dec(x_11);
+lean_dec(x_2);
+x_130 = lean_box(0);
+x_131 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_131, 0, x_130);
+lean_ctor_set(x_131, 1, x_10);
+return x_131;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_10 = lean_ctor_get(x_7, 3);
+x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_5, x_6, x_7, x_8, x_9);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_11, 0);
+lean_inc(x_10);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_10);
+lean_ctor_set(x_14, 1, x_13);
+lean_ctor_set_tag(x_11, 1);
+lean_ctor_set(x_11, 0, x_14);
+return x_11;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_ctor_get(x_11, 0);
+x_16 = lean_ctor_get(x_11, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_11);
+lean_inc(x_10);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_10);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___boxed), 9, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = lean_apply_10(x_1, x_5, x_6, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; uint8_t x_12; lean_object* x_13; 
+x_11 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg___lambda__1), 11, 4);
+lean_closure_set(x_11, 0, x_2);
+lean_closure_set(x_11, 1, x_3);
+lean_closure_set(x_11, 2, x_4);
+lean_closure_set(x_11, 3, x_5);
+x_12 = 0;
+x_13 = l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp___rarg(x_1, x_12, x_11, x_6, x_7, x_8, x_9, x_10);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_13);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+else
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_13);
+if (x_18 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 0);
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_13);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg), 10, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_unsigned_to_nat(1u);
+x_17 = lean_nat_sub(x_1, x_16);
+x_18 = l_Lean_instInhabitedExpr;
+x_19 = lean_array_get(x_18, x_2, x_17);
+lean_dec(x_17);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_3, x_4, x_5, x_19, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; uint8_t x_23; uint8_t x_24; uint8_t 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 = 0;
+x_24 = 1;
+x_25 = 1;
+x_26 = l_Lean_Meta_mkLambdaFVars(x_2, x_21, x_23, x_24, x_25, x_11, x_12, x_13, x_14, x_22);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+return x_26;
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_2);
 x_27 = !lean_is_exclusive(x_20);
 if (x_27 == 0)
 {
@@ -798,63 +1819,838 @@ return x_30;
 }
 }
 }
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("unexpected matcher application alternative");
+return x_1;
 }
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1() {
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_levelZero;
-x_2 = l_Lean_mkSort(x_1);
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(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) {
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3() {
 _start:
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
-x_13 = lean_unsigned_to_nat(0u);
-x_14 = l_Lean_Expr_getAppNumArgsAux(x_5, x_13);
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_add(x_2, x_15);
-x_17 = lean_nat_dec_lt(x_14, x_16);
-if (x_17 == 0)
+lean_object* x_1; 
+x_1 = lean_mk_string("\nat application");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("");
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+lean_object* x_17; uint8_t x_18; 
+x_17 = lean_array_get_size(x_7);
+x_18 = lean_nat_dec_le(x_1, x_17);
+lean_dec(x_17);
+if (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; uint8_t x_29; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_19 = l_Lean_indentExpr(x_5);
+x_20 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2;
+x_21 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+x_22 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4;
+x_23 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+x_24 = l_Lean_indentExpr(x_6);
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+x_26 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_27, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = lean_ctor_get(x_28, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_28);
+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;
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+lean_dec(x_6);
+lean_dec(x_5);
+x_33 = lean_box(0);
+x_34 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1(x_1, x_7, x_2, x_3, x_4, x_8, x_33, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+return x_34;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_6, x_5);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_7);
+lean_ctor_set(x_17, 1, x_15);
+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; 
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
+x_18 = lean_array_uget(x_7, x_6);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_array_uset(x_7, x_6, x_19);
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+lean_inc(x_4);
+lean_inc(x_21);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_23 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___boxed), 16, 6);
+lean_closure_set(x_23, 0, x_22);
+lean_closure_set(x_23, 1, x_1);
+lean_closure_set(x_23, 2, x_2);
+lean_closure_set(x_23, 3, x_3);
+lean_closure_set(x_23, 4, x_21);
+lean_closure_set(x_23, 5, x_4);
 lean_inc(x_14);
-x_19 = lean_mk_array(x_14, x_18);
-x_20 = lean_nat_sub(x_14, x_15);
-lean_dec(x_14);
-x_21 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_5, x_19, x_20);
-x_22 = l_Lean_instInhabitedExpr;
-x_23 = lean_array_get(x_22, x_21, x_2);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_24 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_24 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___rarg(x_21, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 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_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
 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);
-lean_inc(x_4);
-x_27 = l_Lean_mkApp(x_4, x_25);
+x_27 = 1;
+x_28 = lean_usize_add(x_6, x_27);
+x_29 = lean_array_uset(x_20, x_6, x_25);
+x_6 = x_28;
+x_7 = x_29;
+x_15 = x_26;
+goto _start;
+}
+else
+{
+uint8_t x_31; 
+lean_dec(x_20);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_31 = !lean_is_exclusive(x_24);
+if (x_31 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_24, 0);
+x_33 = lean_ctor_get(x_24, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_24);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_6, x_5);
+if (x_16 == 0)
+{
+lean_object* x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_7);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_array_uget(x_7, x_6);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_array_uset(x_7, x_6, x_19);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; size_t x_24; size_t 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);
+x_24 = 1;
+x_25 = lean_usize_add(x_6, x_24);
+x_26 = lean_array_uset(x_20, x_6, x_22);
+x_6 = x_25;
+x_7 = x_26;
+x_15 = x_23;
+goto _start;
+}
+else
+{
+uint8_t x_28; 
+lean_dec(x_20);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_28 = !lean_is_exclusive(x_21);
+if (x_28 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_21, 0);
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_21);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = lean_apply_9(x_1, x_5, x_2, x_3, x_4, x_6, x_7, x_8, x_9, x_10);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___lambda__1), 10, 4);
+lean_closure_set(x_13, 0, x_4);
+lean_closure_set(x_13, 1, x_5);
+lean_closure_set(x_13, 2, x_6);
+lean_closure_set(x_13, 3, x_7);
+x_14 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_13, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_14);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_16);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_14);
+if (x_19 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_14, 0);
+x_21 = lean_ctor_get(x_14, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_14);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___boxed), 12, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___lambda__1), 10, 4);
+lean_closure_set(x_13, 0, x_4);
+lean_closure_set(x_13, 1, x_5);
+lean_closure_set(x_13, 2, x_6);
+lean_closure_set(x_13, 3, x_7);
+x_14 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_13, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_14);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_16);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_14);
+if (x_19 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_14, 0);
+x_21 = lean_ctor_get(x_14, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_14);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg___boxed), 12, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___lambda__1), 10, 4);
+lean_closure_set(x_13, 0, x_4);
+lean_closure_set(x_13, 1, x_5);
+lean_closure_set(x_13, 2, x_6);
+lean_closure_set(x_13, 3, x_7);
+x_14 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLetDeclImp___rarg(x_1, x_2, x_3, x_13, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_14);
+if (x_15 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_14, 0);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_14);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_16);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_14);
+if (x_19 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_14, 0);
+x_21 = lean_ctor_get(x_14, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_14);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___rarg), 12, 0);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("failed to add functional argument to 'matcher' application");
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_2 = l_Lean_indentD(x_1);
+x_3 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3;
+x_4 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_4, 0, x_3);
+lean_ctor_set(x_4, 1, x_2);
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_16 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_16) == 0)
+{
+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; 
+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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_20 = lean_array_push(x_19, x_6);
+x_21 = 0;
+x_22 = 1;
+x_23 = 1;
+x_24 = l_Lean_Meta_mkLambdaFVars(x_20, x_17, x_21, x_22, x_23, x_10, x_11, x_12, x_13, x_18);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_24;
+}
+else
+{
+uint8_t x_25; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+x_25 = !lean_is_exclusive(x_16);
+if (x_25 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_16, 0);
+x_27 = lean_ctor_get(x_16, 1);
 lean_inc(x_27);
-x_28 = lean_infer_type(x_27, x_8, x_9, x_10, x_11, x_26);
+lean_inc(x_26);
+lean_dec(x_16);
+x_28 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_16 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_16) == 0)
+{
+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; 
+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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_20 = lean_array_push(x_19, x_6);
+x_21 = 0;
+x_22 = 1;
+x_23 = 1;
+x_24 = l_Lean_Meta_mkForallFVars(x_20, x_17, x_21, x_22, x_23, x_10, x_11, x_12, x_13, x_18);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_24;
+}
+else
+{
+uint8_t x_25; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+x_25 = !lean_is_exclusive(x_16);
+if (x_25 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_16, 0);
+x_27 = lean_ctor_get(x_16, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_16);
+x_28 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_expr_instantiate1(x_1, x_6);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_16 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
+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___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
+x_20 = lean_array_push(x_19, x_6);
+x_21 = 0;
+x_22 = 1;
+x_23 = l_Lean_Meta_mkLambdaFVars(x_20, x_17, x_21, x_21, x_22, x_10, x_11, x_12, x_13, x_18);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+return x_23;
+}
+else
+{
+uint8_t x_24; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+x_24 = !lean_is_exclusive(x_16);
+if (x_24 == 0)
+{
+return x_16;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_16, 0);
+x_26 = lean_ctor_get(x_16, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_16);
+x_27 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+return x_27;
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1), 1, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_dec(x_6);
+switch (lean_obj_tag(x_1)) {
+case 4:
+{
+uint8_t x_15; 
+x_15 = l_Lean_Expr_isConstOf(x_1, x_2);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_1);
+lean_ctor_set(x_16, 1, x_14);
+return x_16;
+}
+else
+{
+lean_object* x_17; 
+x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(x_2, x_3, x_4, x_5, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_17;
+}
+}
+case 5:
+{
+lean_object* x_18; lean_object* x_19; 
+lean_inc(x_1);
+x_18 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_2, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_2, x_3, x_4, x_5, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
+return x_21;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+x_23 = lean_ctor_get(x_19, 0);
+lean_inc(x_23);
+lean_dec(x_19);
+lean_inc(x_1);
+lean_inc(x_3);
+lean_inc(x_2);
+x_24 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_2, x_3, x_1);
+if (x_24 == 0)
+{
+lean_object* x_25; 
+lean_dec(x_23);
+x_25 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_2, x_3, x_4, x_5, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_22);
+return x_25;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_inc(x_5);
+x_26 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
+lean_closure_set(x_26, 0, x_23);
+lean_closure_set(x_26, 1, x_5);
+x_27 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1;
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_28 = l_Lean_Meta_mapErrorImp___rarg(x_26, x_27, x_10, x_11, x_12, x_13, x_22);
 if (lean_obj_tag(x_28) == 0)
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; 
@@ -863,264 +2659,926 @@ lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_31 = lean_whnf(x_29, x_8, x_9, x_10, x_11, x_30);
+lean_inc(x_5);
+lean_inc(x_29);
+x_31 = l_Lean_Elab_Structural_refinedArgType(x_29, x_5, x_10, x_11, x_12, x_13, 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_32; uint8_t x_33; 
 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_34 = l_Lean_Expr_bindingDomain_x21(x_32);
+x_33 = lean_unbox(x_32);
 lean_dec(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+lean_dec(x_29);
+x_34 = lean_ctor_get(x_31, 1);
+lean_inc(x_34);
+lean_dec(x_31);
+x_35 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_2, x_3, x_4, x_5, x_1, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_34);
+return x_35;
+}
+else
+{
+lean_object* x_36; uint8_t x_37; 
+x_36 = lean_ctor_get(x_31, 1);
+lean_inc(x_36);
+lean_dec(x_31);
+x_37 = !lean_is_exclusive(x_29);
+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_46; lean_object* x_47; lean_object* x_48; size_t x_49; size_t x_50; lean_object* x_51; 
+x_38 = lean_ctor_get(x_29, 0);
+x_39 = lean_ctor_get(x_29, 1);
+x_40 = lean_ctor_get(x_29, 2);
+x_41 = lean_ctor_get(x_29, 3);
+x_42 = lean_ctor_get(x_29, 4);
+x_43 = lean_ctor_get(x_29, 5);
+x_44 = lean_ctor_get(x_29, 6);
+x_45 = lean_ctor_get(x_29, 7);
+x_46 = lean_ctor_get(x_29, 8);
+x_47 = l_Array_zip___rarg(x_45, x_44);
+lean_dec(x_45);
+x_48 = lean_array_get_size(x_47);
+x_49 = lean_usize_of_nat(x_48);
+lean_dec(x_48);
+x_50 = 0;
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-lean_inc(x_6);
+lean_inc(x_4);
 lean_inc(x_3);
-x_35 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_mkDecreasingProof(x_34, x_3, x_6, x_7, x_8, x_9, x_10, x_11, x_33);
-if (lean_obj_tag(x_35) == 0)
+lean_inc(x_2);
+x_51 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_2, x_3, x_4, x_1, x_49, x_50, x_47, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_36);
+if (lean_obj_tag(x_51) == 0)
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; size_t x_43; size_t x_44; lean_object* x_45; 
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
-x_38 = l_Lean_mkApp(x_27, x_36);
-x_39 = lean_array_get_size(x_21);
-x_40 = l_Array_toSubarray___rarg(x_21, x_16, x_39);
-x_41 = l_Array_ofSubarray___rarg(x_40);
-x_42 = lean_array_get_size(x_41);
-x_43 = lean_usize_of_nat(x_42);
-lean_dec(x_42);
-x_44 = 0;
-x_45 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(x_1, x_2, x_3, x_4, x_43, x_44, x_41, x_6, x_7, x_8, x_9, x_10, x_11, x_37);
-if (lean_obj_tag(x_45) == 0)
-{
-uint8_t x_46; 
-x_46 = !lean_is_exclusive(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_45, 0);
-x_48 = l_Lean_mkAppN(x_38, x_47);
-lean_ctor_set(x_45, 0, x_48);
-return x_45;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_49 = lean_ctor_get(x_45, 0);
-x_50 = lean_ctor_get(x_45, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_45);
-x_51 = l_Lean_mkAppN(x_38, x_49);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
-}
-else
-{
-uint8_t x_53; 
-lean_dec(x_38);
-x_53 = !lean_is_exclusive(x_45);
-if (x_53 == 0)
-{
-return x_45;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_45, 0);
-x_55 = lean_ctor_get(x_45, 1);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_dec(x_45);
-x_56 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_56, 0, x_54);
-lean_ctor_set(x_56, 1, x_55);
-return x_56;
-}
-}
-}
-else
+lean_object* x_52; lean_object* x_53; lean_object* x_54; size_t x_55; lean_object* x_56; 
+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_array_get_size(x_43);
+x_55 = lean_usize_of_nat(x_54);
+lean_dec(x_54);
+x_56 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_2, x_3, x_4, x_5, x_55, x_50, x_43, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_53);
+if (lean_obj_tag(x_56) == 0)
 {
 uint8_t x_57; 
-lean_dec(x_27);
-lean_dec(x_21);
-lean_dec(x_16);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_57 = !lean_is_exclusive(x_35);
+x_57 = !lean_is_exclusive(x_56);
 if (x_57 == 0)
 {
-return x_35;
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_56, 0);
+lean_ctor_set(x_29, 7, x_52);
+lean_ctor_set(x_29, 5, x_58);
+x_59 = l_Lean_Meta_MatcherApp_toExpr(x_29);
+lean_ctor_set(x_56, 0, x_59);
+return x_56;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_35, 0);
-x_59 = lean_ctor_get(x_35, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_35);
-x_60 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_59);
-return x_60;
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_60 = lean_ctor_get(x_56, 0);
+x_61 = lean_ctor_get(x_56, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_56);
+lean_ctor_set(x_29, 7, x_52);
+lean_ctor_set(x_29, 5, x_60);
+x_62 = l_Lean_Meta_MatcherApp_toExpr(x_29);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+return x_63;
+}
+}
+else
+{
+uint8_t x_64; 
+lean_dec(x_52);
+lean_free_object(x_29);
+lean_dec(x_46);
+lean_dec(x_44);
+lean_dec(x_42);
+lean_dec(x_41);
+lean_dec(x_40);
+lean_dec(x_39);
+lean_dec(x_38);
+x_64 = !lean_is_exclusive(x_56);
+if (x_64 == 0)
+{
+return x_56;
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_56, 0);
+x_66 = lean_ctor_get(x_56, 1);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_dec(x_56);
+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;
 }
 }
 }
 else
 {
-uint8_t x_61; 
-lean_dec(x_27);
-lean_dec(x_21);
-lean_dec(x_16);
+uint8_t x_68; 
+lean_free_object(x_29);
+lean_dec(x_46);
+lean_dec(x_44);
+lean_dec(x_43);
+lean_dec(x_42);
+lean_dec(x_41);
+lean_dec(x_40);
+lean_dec(x_39);
+lean_dec(x_38);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_68 = !lean_is_exclusive(x_51);
+if (x_68 == 0)
+{
+return x_51;
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_51, 0);
+x_70 = lean_ctor_get(x_51, 1);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_dec(x_51);
+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;
+}
+}
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; size_t x_83; size_t x_84; lean_object* x_85; 
+x_72 = lean_ctor_get(x_29, 0);
+x_73 = lean_ctor_get(x_29, 1);
+x_74 = lean_ctor_get(x_29, 2);
+x_75 = lean_ctor_get(x_29, 3);
+x_76 = lean_ctor_get(x_29, 4);
+x_77 = lean_ctor_get(x_29, 5);
+x_78 = lean_ctor_get(x_29, 6);
+x_79 = lean_ctor_get(x_29, 7);
+x_80 = lean_ctor_get(x_29, 8);
+lean_inc(x_80);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_29);
+x_81 = l_Array_zip___rarg(x_79, x_78);
+lean_dec(x_79);
+x_82 = lean_array_get_size(x_81);
+x_83 = lean_usize_of_nat(x_82);
+lean_dec(x_82);
+x_84 = 0;
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_85 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_2, x_3, x_4, x_1, x_83, x_84, x_81, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_36);
+if (lean_obj_tag(x_85) == 0)
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; size_t x_89; lean_object* x_90; 
+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 = lean_array_get_size(x_77);
+x_89 = lean_usize_of_nat(x_88);
+lean_dec(x_88);
+x_90 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_2, x_3, x_4, x_5, x_89, x_84, x_77, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_87);
+if (lean_obj_tag(x_90) == 0)
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_93 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_93 = lean_box(0);
+}
+x_94 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_94, 0, x_72);
+lean_ctor_set(x_94, 1, x_73);
+lean_ctor_set(x_94, 2, x_74);
+lean_ctor_set(x_94, 3, x_75);
+lean_ctor_set(x_94, 4, x_76);
+lean_ctor_set(x_94, 5, x_91);
+lean_ctor_set(x_94, 6, x_78);
+lean_ctor_set(x_94, 7, x_86);
+lean_ctor_set(x_94, 8, x_80);
+x_95 = l_Lean_Meta_MatcherApp_toExpr(x_94);
+if (lean_is_scalar(x_93)) {
+ x_96 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_96 = x_93;
+}
+lean_ctor_set(x_96, 0, x_95);
+lean_ctor_set(x_96, 1, x_92);
+return x_96;
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+lean_dec(x_86);
+lean_dec(x_80);
+lean_dec(x_78);
+lean_dec(x_76);
+lean_dec(x_75);
+lean_dec(x_74);
+lean_dec(x_73);
+lean_dec(x_72);
+x_97 = lean_ctor_get(x_90, 0);
+lean_inc(x_97);
+x_98 = lean_ctor_get(x_90, 1);
+lean_inc(x_98);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_99 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_99 = lean_box(0);
+}
+if (lean_is_scalar(x_99)) {
+ x_100 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_100 = x_99;
+}
+lean_ctor_set(x_100, 0, x_97);
+lean_ctor_set(x_100, 1, x_98);
+return x_100;
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+lean_dec(x_80);
+lean_dec(x_78);
+lean_dec(x_77);
+lean_dec(x_76);
+lean_dec(x_75);
+lean_dec(x_74);
+lean_dec(x_73);
+lean_dec(x_72);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_101 = lean_ctor_get(x_85, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_85, 1);
+lean_inc(x_102);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_103 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_103 = lean_box(0);
+}
+if (lean_is_scalar(x_103)) {
+ x_104 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_104 = x_103;
+}
+lean_ctor_set(x_104, 0, x_101);
+lean_ctor_set(x_104, 1, x_102);
+return x_104;
+}
+}
+}
+}
+else
+{
+uint8_t x_105; 
+lean_dec(x_29);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_31);
-if (x_61 == 0)
+x_105 = !lean_is_exclusive(x_31);
+if (x_105 == 0)
 {
 return x_31;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_31, 0);
-x_63 = lean_ctor_get(x_31, 1);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+x_106 = lean_ctor_get(x_31, 0);
+x_107 = lean_ctor_get(x_31, 1);
+lean_inc(x_107);
+lean_inc(x_106);
 lean_dec(x_31);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+x_108 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_108, 0, x_106);
+lean_ctor_set(x_108, 1, x_107);
+return x_108;
 }
 }
 }
 else
 {
-uint8_t x_65; 
-lean_dec(x_27);
-lean_dec(x_21);
-lean_dec(x_16);
+uint8_t x_109; 
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-lean_dec(x_6);
+lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_65 = !lean_is_exclusive(x_28);
-if (x_65 == 0)
+x_109 = !lean_is_exclusive(x_28);
+if (x_109 == 0)
 {
 return x_28;
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_66 = lean_ctor_get(x_28, 0);
-x_67 = lean_ctor_get(x_28, 1);
-lean_inc(x_67);
-lean_inc(x_66);
+lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+x_110 = lean_ctor_get(x_28, 0);
+x_111 = lean_ctor_get(x_28, 1);
+lean_inc(x_111);
+lean_inc(x_110);
 lean_dec(x_28);
-x_68 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_68, 0, x_66);
-lean_ctor_set(x_68, 1, x_67);
-return x_68;
+x_112 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_112, 0, x_110);
+lean_ctor_set(x_112, 1, x_111);
+return x_112;
 }
 }
 }
-else
+}
+}
+case 6:
 {
-uint8_t x_69; 
-lean_dec(x_21);
-lean_dec(x_16);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
+lean_object* x_113; lean_object* x_114; lean_object* x_115; uint64_t x_116; lean_object* x_117; 
+x_113 = lean_ctor_get(x_1, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_1, 1);
+lean_inc(x_114);
+x_115 = lean_ctor_get(x_1, 2);
+lean_inc(x_115);
+x_116 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
 lean_dec(x_1);
-x_69 = !lean_is_exclusive(x_24);
-if (x_69 == 0)
-{
-return x_24;
-}
-else
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_70 = lean_ctor_get(x_24, 0);
-x_71 = lean_ctor_get(x_24, 1);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_dec(x_24);
-x_72 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_72, 0, x_70);
-lean_ctor_set(x_72, 1, x_71);
-return x_72;
-}
-}
-}
-else
-{
-lean_object* x_73; 
-lean_dec(x_16);
-lean_dec(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_73 = l_Lean_Meta_etaExpand(x_5, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_73) == 0)
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_117 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_114, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_74 = lean_ctor_get(x_73, 0);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_73, 1);
-lean_inc(x_75);
-lean_dec(x_73);
-x_76 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_74, x_6, x_7, x_8, x_9, x_10, x_11, x_75);
-return x_76;
+lean_object* x_118; lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = (uint8_t)((x_116 << 24) >> 61);
+x_121 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed), 14, 5);
+lean_closure_set(x_121, 0, x_115);
+lean_closure_set(x_121, 1, x_2);
+lean_closure_set(x_121, 2, x_3);
+lean_closure_set(x_121, 3, x_4);
+lean_closure_set(x_121, 4, x_5);
+x_122 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(x_113, x_120, x_118, x_121, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_119);
+return x_122;
 }
 else
 {
-uint8_t x_77; 
+uint8_t x_123; 
+lean_dec(x_115);
+lean_dec(x_113);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_123 = !lean_is_exclusive(x_117);
+if (x_123 == 0)
+{
+return x_117;
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_124 = lean_ctor_get(x_117, 0);
+x_125 = lean_ctor_get(x_117, 1);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_dec(x_117);
+x_126 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_126, 0, x_124);
+lean_ctor_set(x_126, 1, x_125);
+return x_126;
+}
+}
+}
+case 7:
+{
+lean_object* x_127; lean_object* x_128; lean_object* x_129; uint64_t x_130; lean_object* x_131; 
+x_127 = lean_ctor_get(x_1, 0);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_1, 1);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_1, 2);
+lean_inc(x_129);
+x_130 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+lean_dec(x_1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_131 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_128, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_131) == 0)
+{
+lean_object* x_132; lean_object* x_133; uint8_t x_134; lean_object* x_135; lean_object* x_136; 
+x_132 = lean_ctor_get(x_131, 0);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_131, 1);
+lean_inc(x_133);
+lean_dec(x_131);
+x_134 = (uint8_t)((x_130 << 24) >> 61);
+x_135 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed), 14, 5);
+lean_closure_set(x_135, 0, x_129);
+lean_closure_set(x_135, 1, x_2);
+lean_closure_set(x_135, 2, x_3);
+lean_closure_set(x_135, 3, x_4);
+lean_closure_set(x_135, 4, x_5);
+x_136 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg(x_127, x_134, x_132, x_135, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_133);
+return x_136;
+}
+else
+{
+uint8_t x_137; 
+lean_dec(x_129);
+lean_dec(x_127);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_137 = !lean_is_exclusive(x_131);
+if (x_137 == 0)
+{
+return x_131;
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+x_138 = lean_ctor_get(x_131, 0);
+x_139 = lean_ctor_get(x_131, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_dec(x_131);
+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;
+}
+}
+}
+case 8:
+{
+lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_141 = lean_ctor_get(x_1, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_1, 1);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_1, 2);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_1, 3);
+lean_inc(x_144);
+lean_dec(x_1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_145 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_142, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_145) == 0)
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_146 = lean_ctor_get(x_145, 0);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_145, 1);
+lean_inc(x_147);
+lean_dec(x_145);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_148 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_143, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_147);
+if (lean_obj_tag(x_148) == 0)
+{
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
+x_149 = lean_ctor_get(x_148, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_148, 1);
+lean_inc(x_150);
+lean_dec(x_148);
+x_151 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed), 14, 5);
+lean_closure_set(x_151, 0, x_144);
+lean_closure_set(x_151, 1, x_2);
+lean_closure_set(x_151, 2, x_3);
+lean_closure_set(x_151, 3, x_4);
+lean_closure_set(x_151, 4, x_5);
+x_152 = l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___rarg(x_141, x_146, x_149, x_151, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_150);
+return x_152;
+}
+else
+{
+uint8_t x_153; 
+lean_dec(x_146);
+lean_dec(x_144);
+lean_dec(x_141);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_153 = !lean_is_exclusive(x_148);
+if (x_153 == 0)
+{
+return x_148;
+}
+else
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+x_154 = lean_ctor_get(x_148, 0);
+x_155 = lean_ctor_get(x_148, 1);
+lean_inc(x_155);
+lean_inc(x_154);
+lean_dec(x_148);
+x_156 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_156, 0, x_154);
+lean_ctor_set(x_156, 1, x_155);
+return x_156;
+}
+}
+}
+else
+{
+uint8_t x_157; 
+lean_dec(x_144);
+lean_dec(x_143);
+lean_dec(x_141);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_157 = !lean_is_exclusive(x_145);
+if (x_157 == 0)
+{
+return x_145;
+}
+else
+{
+lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+x_158 = lean_ctor_get(x_145, 0);
+x_159 = lean_ctor_get(x_145, 1);
+lean_inc(x_159);
+lean_inc(x_158);
+lean_dec(x_145);
+x_160 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_160, 0, x_158);
+lean_ctor_set(x_160, 1, x_159);
+return x_160;
+}
+}
+}
+case 10:
+{
+lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+x_161 = lean_ctor_get(x_1, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_1, 1);
+lean_inc(x_162);
+x_163 = l_Lean_getRecAppSyntax_x3f(x_1);
+lean_dec(x_1);
+if (lean_obj_tag(x_163) == 0)
+{
+lean_object* x_164; 
+x_164 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_162, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_164) == 0)
+{
+uint8_t x_165; 
+x_165 = !lean_is_exclusive(x_164);
+if (x_165 == 0)
+{
+lean_object* x_166; lean_object* x_167; 
+x_166 = lean_ctor_get(x_164, 0);
+x_167 = l_Lean_mkMData(x_161, x_166);
+lean_ctor_set(x_164, 0, x_167);
+return x_164;
+}
+else
+{
+lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_168 = lean_ctor_get(x_164, 0);
+x_169 = lean_ctor_get(x_164, 1);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_dec(x_164);
+x_170 = l_Lean_mkMData(x_161, x_168);
+x_171 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_171, 0, x_170);
+lean_ctor_set(x_171, 1, x_169);
+return x_171;
+}
+}
+else
+{
+uint8_t x_172; 
+lean_dec(x_161);
+x_172 = !lean_is_exclusive(x_164);
+if (x_172 == 0)
+{
+return x_164;
+}
+else
+{
+lean_object* x_173; lean_object* x_174; lean_object* x_175; 
+x_173 = lean_ctor_get(x_164, 0);
+x_174 = lean_ctor_get(x_164, 1);
+lean_inc(x_174);
+lean_inc(x_173);
+lean_dec(x_164);
+x_175 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_175, 0, x_173);
+lean_ctor_set(x_175, 1, x_174);
+return x_175;
+}
+}
+}
+else
+{
+lean_object* x_176; uint8_t x_177; 
+lean_dec(x_161);
+x_176 = lean_ctor_get(x_163, 0);
+lean_inc(x_176);
+lean_dec(x_163);
+x_177 = !lean_is_exclusive(x_12);
+if (x_177 == 0)
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_178 = lean_ctor_get(x_12, 3);
+x_179 = l_Lean_replaceRef(x_176, x_178);
+lean_dec(x_178);
+lean_dec(x_176);
+lean_ctor_set(x_12, 3, x_179);
+x_180 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_162, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_180;
+}
+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_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+x_181 = lean_ctor_get(x_12, 0);
+x_182 = lean_ctor_get(x_12, 1);
+x_183 = lean_ctor_get(x_12, 2);
+x_184 = lean_ctor_get(x_12, 3);
+x_185 = lean_ctor_get(x_12, 4);
+x_186 = lean_ctor_get(x_12, 5);
+x_187 = lean_ctor_get(x_12, 6);
+x_188 = lean_ctor_get(x_12, 7);
+x_189 = lean_ctor_get(x_12, 8);
+lean_inc(x_189);
+lean_inc(x_188);
+lean_inc(x_187);
+lean_inc(x_186);
+lean_inc(x_185);
+lean_inc(x_184);
+lean_inc(x_183);
+lean_inc(x_182);
+lean_inc(x_181);
+lean_dec(x_12);
+x_190 = l_Lean_replaceRef(x_176, x_184);
+lean_dec(x_184);
+lean_dec(x_176);
+x_191 = lean_alloc_ctor(0, 9, 0);
+lean_ctor_set(x_191, 0, x_181);
+lean_ctor_set(x_191, 1, x_182);
+lean_ctor_set(x_191, 2, x_183);
+lean_ctor_set(x_191, 3, x_190);
+lean_ctor_set(x_191, 4, x_185);
+lean_ctor_set(x_191, 5, x_186);
+lean_ctor_set(x_191, 6, x_187);
+lean_ctor_set(x_191, 7, x_188);
+lean_ctor_set(x_191, 8, x_189);
+x_192 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_162, x_7, x_8, x_9, x_10, x_11, x_191, x_13, x_14);
+return x_192;
+}
+}
+}
+case 11:
+{
+lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; 
+x_193 = lean_ctor_get(x_1, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_1, 1);
+lean_inc(x_194);
+x_195 = lean_ctor_get(x_1, 2);
+lean_inc(x_195);
+lean_dec(x_1);
+x_196 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_195, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_196) == 0)
+{
+uint8_t x_197; 
+x_197 = !lean_is_exclusive(x_196);
+if (x_197 == 0)
+{
+lean_object* x_198; lean_object* x_199; 
+x_198 = lean_ctor_get(x_196, 0);
+x_199 = l_Lean_mkProj(x_193, x_194, x_198);
+lean_ctor_set(x_196, 0, x_199);
+return x_196;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+x_200 = lean_ctor_get(x_196, 0);
+x_201 = lean_ctor_get(x_196, 1);
+lean_inc(x_201);
+lean_inc(x_200);
+lean_dec(x_196);
+x_202 = l_Lean_mkProj(x_193, x_194, x_200);
+x_203 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_203, 0, x_202);
+lean_ctor_set(x_203, 1, x_201);
+return x_203;
+}
+}
+else
+{
+uint8_t x_204; 
+lean_dec(x_194);
+lean_dec(x_193);
+x_204 = !lean_is_exclusive(x_196);
+if (x_204 == 0)
+{
+return x_196;
+}
+else
+{
+lean_object* x_205; lean_object* x_206; lean_object* x_207; 
+x_205 = lean_ctor_get(x_196, 0);
+x_206 = lean_ctor_get(x_196, 1);
+lean_inc(x_206);
+lean_inc(x_205);
+lean_dec(x_196);
+x_207 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_207, 0, x_205);
+lean_ctor_set(x_207, 1, x_206);
+return x_207;
+}
+}
+}
+default: 
+{
+lean_object* x_208; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_208 = l_Lean_Elab_ensureNoRecFn(x_2, x_1, x_10, x_11, x_12, x_13, x_14);
+return x_208;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+lean_inc(x_5);
+x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_containsRecFn(x_1, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_unbox(x_15);
+lean_dec(x_15);
+if (x_16 == 0)
+{
+uint8_t x_17; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -1131,407 +3589,602 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_77 = !lean_is_exclusive(x_73);
-if (x_77 == 0)
+x_17 = !lean_is_exclusive(x_14);
+if (x_17 == 0)
 {
-return x_73;
+lean_object* x_18; 
+x_18 = lean_ctor_get(x_14, 0);
+lean_dec(x_18);
+lean_ctor_set(x_14, 0, x_5);
+return x_14;
 }
 else
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_73, 0);
-x_79 = lean_ctor_get(x_73, 1);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_dec(x_73);
-x_80 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-return x_80;
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_dec(x_14);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_5);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_14, 1);
+lean_inc(x_21);
+lean_dec(x_14);
+x_22 = lean_box(0);
+x_23 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5(x_5, x_1, x_2, x_3, x_4, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_21);
+return x_23;
 }
 }
 }
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-lean_object* x_9; uint8_t x_10; 
-x_9 = lean_st_ref_get(x_7, x_8);
-x_10 = !lean_is_exclusive(x_9);
-if (x_10 == 0)
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_6, x_5);
+if (x_16 == 0)
 {
-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_11, 0);
-lean_inc(x_12);
+lean_object* x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
-x_13 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_12, x_1);
-lean_ctor_set(x_9, 0, x_13);
-return x_9;
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_7);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 else
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_9, 0);
-x_15 = lean_ctor_get(x_9, 1);
-lean_inc(x_15);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_array_uget(x_7, x_6);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = lean_array_uset(x_7, x_6, x_19);
 lean_inc(x_14);
-lean_dec(x_9);
-x_16 = lean_ctor_get(x_14, 0);
-lean_inc(x_16);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_18, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; size_t x_24; size_t 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);
+x_24 = 1;
+x_25 = lean_usize_add(x_6, x_24);
+x_26 = lean_array_uset(x_20, x_6, x_22);
+x_6 = x_25;
+x_7 = x_26;
+x_15 = x_23;
+goto _start;
+}
+else
+{
+uint8_t x_28; 
+lean_dec(x_20);
 lean_dec(x_14);
-x_17 = l_Lean_Meta_Match_Extension_getMatcherInfo_x3f(x_16, x_1);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_15);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_28 = !lean_is_exclusive(x_21);
+if (x_28 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_21, 0);
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_21);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+if (lean_obj_tag(x_5) == 5)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_5, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_5, 1);
+lean_inc(x_17);
+lean_dec(x_5);
+x_18 = lean_array_set(x_6, x_7, x_17);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_7, x_19);
+lean_dec(x_7);
+x_5 = x_16;
+x_6 = x_18;
+x_7 = x_20;
+goto _start;
+}
+else
+{
+lean_object* x_22; 
+lean_dec(x_7);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_22 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_array_get_size(x_6);
+x_26 = lean_usize_of_nat(x_25);
+lean_dec(x_25);
+x_27 = 0;
+x_28 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(x_1, x_2, x_3, x_4, x_26, x_27, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_24);
+if (lean_obj_tag(x_28) == 0)
+{
+uint8_t x_29; 
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_28, 0);
+x_31 = l_Lean_mkAppN(x_23, x_30);
+lean_ctor_set(x_28, 0, x_31);
+return x_28;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_28, 0);
+x_33 = lean_ctor_get(x_28, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_28);
+x_34 = l_Lean_mkAppN(x_23, x_32);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_33);
+return x_35;
+}
+}
+else
+{
+uint8_t x_36; 
+lean_dec(x_23);
+x_36 = !lean_is_exclusive(x_28);
+if (x_36 == 0)
+{
+return x_28;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_28, 0);
+x_38 = lean_ctor_get(x_28, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_28);
+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
+{
+uint8_t x_40; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_40 = !lean_is_exclusive(x_22);
+if (x_40 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_22, 0);
+x_42 = lean_ctor_get(x_22, 1);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_dec(x_22);
+x_43 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+uint8_t x_14; 
+x_14 = l_Lean_Expr_isAppOf(x_5, x_1);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = l_Lean_Expr_getAppNumArgsAux(x_5, x_15);
+x_17 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
+lean_inc(x_16);
+x_18 = lean_mk_array(x_16, x_17);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_16, x_19);
+lean_dec(x_16);
+x_21 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(x_1, x_2, x_3, x_4, x_5, x_18, x_20, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_21;
+}
+else
+{
+lean_object* x_22; 
+x_22 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(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);
+return x_22;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_17 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(x_1, x_2, x_3, x_4, x_16, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 return x_18;
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_9; 
-x_9 = l_Lean_Expr_getAppFn(x_1);
-if (lean_obj_tag(x_9) == 4)
+lean_object* x_10; 
+x_10 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___boxed(lean_object* x_1) {
+_start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-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);
-lean_inc(x_10);
-x_12 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-if (lean_obj_tag(x_13) == 0)
-{
-uint8_t x_14; 
-lean_dec(x_11);
-lean_dec(x_10);
+lean_object* x_2; 
+x_2 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(x_1);
 lean_dec(x_1);
-x_14 = !lean_is_exclusive(x_12);
-if (x_14 == 0)
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_12, 0);
-lean_dec(x_15);
-x_16 = lean_box(0);
-lean_ctor_set(x_12, 0, x_16);
-return x_12;
+lean_object* x_11; 
+x_11 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+lean_object* x_16; 
+x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_7);
+lean_dec(x_1);
+return x_16;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+lean_object* x_17; 
+x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_1);
+return x_17;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_17 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_16, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_17 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__6(x_1, x_2, x_3, x_4, x_16, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_18;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; lean_object* x_14; 
+x_13 = lean_unbox(x_2);
+lean_dec(x_2);
+x_14 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(x_1, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; lean_object* x_14; 
+x_13 = lean_unbox(x_2);
+lean_dec(x_2);
+x_14 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___rarg(x_1, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_14;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__8(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_withLetDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__9(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_1);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_1);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_1);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_17 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_18 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(x_1, x_2, x_3, x_4, x_16, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_18;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = l_Std_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(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; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_13 = lean_st_ref_get(x_11, x_12);
+x_14 = lean_ctor_get(x_13, 1);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1;
+x_16 = lean_st_mk_ref(x_15, x_14);
+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);
+lean_inc(x_11);
+lean_inc(x_17);
+x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_18);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+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_st_ref_get(x_11, x_21);
+lean_dec(x_11);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = lean_st_ref_get(x_17, x_23);
+lean_dec(x_17);
+x_25 = !lean_is_exclusive(x_24);
+if (x_25 == 0)
+{
+lean_object* x_26; 
+x_26 = lean_ctor_get(x_24, 0);
+lean_dec(x_26);
+lean_ctor_set(x_24, 0, x_20);
+return x_24;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_12, 1);
-lean_inc(x_17);
-lean_dec(x_12);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
+lean_object* x_27; lean_object* x_28; 
+x_27 = lean_ctor_get(x_24, 1);
+lean_inc(x_27);
+lean_dec(x_24);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_20);
+lean_ctor_set(x_28, 1, x_27);
+return x_28;
+}
+}
+else
+{
+uint8_t x_29; 
+lean_dec(x_17);
+lean_dec(x_11);
+x_29 = !lean_is_exclusive(x_19);
+if (x_29 == 0)
+{
 return x_19;
 }
-}
 else
 {
-uint8_t x_20; 
-x_20 = !lean_is_exclusive(x_12);
-if (x_20 == 0)
-{
-lean_object* x_21; uint8_t x_22; 
-x_21 = lean_ctor_get(x_12, 0);
-lean_dec(x_21);
-x_22 = !lean_is_exclusive(x_13);
-if (x_22 == 0)
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_23 = lean_ctor_get(x_13, 0);
-x_24 = lean_unsigned_to_nat(0u);
-x_25 = l_Lean_Expr_getAppNumArgsAux(x_1, x_24);
-x_26 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
-lean_inc(x_25);
-x_27 = lean_mk_array(x_25, x_26);
-x_28 = lean_unsigned_to_nat(1u);
-x_29 = lean_nat_sub(x_25, x_28);
-lean_dec(x_25);
-x_30 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_27, x_29);
-x_31 = lean_array_get_size(x_30);
-x_32 = l_Lean_Meta_Match_MatcherInfo_arity(x_23);
-x_33 = lean_nat_dec_lt(x_31, x_32);
-lean_dec(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_34 = l_List_redLength___rarg(x_11);
-x_35 = lean_mk_empty_array_with_capacity(x_34);
-lean_dec(x_34);
-x_36 = l_List_toArrayAux___rarg(x_11, x_35);
-x_37 = lean_ctor_get(x_23, 3);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_23, 0);
-lean_inc(x_38);
-lean_inc(x_38);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_19, 0);
+x_31 = lean_ctor_get(x_19, 1);
+lean_inc(x_31);
 lean_inc(x_30);
-x_39 = l_Array_extract___rarg(x_30, x_24, x_38);
-x_40 = l_Lean_instInhabitedExpr;
-x_41 = lean_array_get(x_40, x_30, x_38);
-x_42 = lean_nat_add(x_38, x_28);
-lean_dec(x_38);
-x_43 = lean_ctor_get(x_23, 1);
-lean_inc(x_43);
-x_44 = lean_nat_add(x_42, x_43);
-lean_dec(x_43);
-lean_inc(x_44);
-lean_inc(x_30);
-x_45 = l_Array_toSubarray___rarg(x_30, x_42, x_44);
-x_46 = l_Array_ofSubarray___rarg(x_45);
-x_47 = lean_ctor_get(x_23, 2);
-lean_inc(x_47);
-x_48 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_23);
-lean_dec(x_23);
-x_49 = lean_nat_add(x_44, x_48);
-lean_dec(x_48);
-lean_inc(x_49);
-lean_inc(x_30);
-x_50 = l_Array_toSubarray___rarg(x_30, x_44, x_49);
-x_51 = l_Array_ofSubarray___rarg(x_50);
-x_52 = l_Array_toSubarray___rarg(x_30, x_49, x_31);
-x_53 = l_Array_ofSubarray___rarg(x_52);
-x_54 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_54, 0, x_10);
-lean_ctor_set(x_54, 1, x_36);
-lean_ctor_set(x_54, 2, x_37);
-lean_ctor_set(x_54, 3, x_39);
-lean_ctor_set(x_54, 4, x_41);
-lean_ctor_set(x_54, 5, x_46);
-lean_ctor_set(x_54, 6, x_47);
-lean_ctor_set(x_54, 7, x_51);
-lean_ctor_set(x_54, 8, x_53);
-lean_ctor_set(x_13, 0, x_54);
-return x_12;
-}
-else
-{
-lean_object* x_55; 
-lean_dec(x_31);
-lean_dec(x_30);
-lean_free_object(x_13);
-lean_dec(x_23);
-lean_dec(x_11);
-lean_dec(x_10);
-x_55 = lean_box(0);
-lean_ctor_set(x_12, 0, x_55);
-return x_12;
-}
-}
-else
-{
-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; uint8_t x_66; 
-x_56 = lean_ctor_get(x_13, 0);
-lean_inc(x_56);
-lean_dec(x_13);
-x_57 = lean_unsigned_to_nat(0u);
-x_58 = l_Lean_Expr_getAppNumArgsAux(x_1, x_57);
-x_59 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
-lean_inc(x_58);
-x_60 = lean_mk_array(x_58, x_59);
-x_61 = lean_unsigned_to_nat(1u);
-x_62 = lean_nat_sub(x_58, x_61);
-lean_dec(x_58);
-x_63 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_60, x_62);
-x_64 = lean_array_get_size(x_63);
-x_65 = l_Lean_Meta_Match_MatcherInfo_arity(x_56);
-x_66 = lean_nat_dec_lt(x_64, x_65);
-lean_dec(x_65);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 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_67 = l_List_redLength___rarg(x_11);
-x_68 = lean_mk_empty_array_with_capacity(x_67);
-lean_dec(x_67);
-x_69 = l_List_toArrayAux___rarg(x_11, x_68);
-x_70 = lean_ctor_get(x_56, 3);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_56, 0);
-lean_inc(x_71);
-lean_inc(x_71);
-lean_inc(x_63);
-x_72 = l_Array_extract___rarg(x_63, x_57, x_71);
-x_73 = l_Lean_instInhabitedExpr;
-x_74 = lean_array_get(x_73, x_63, x_71);
-x_75 = lean_nat_add(x_71, x_61);
-lean_dec(x_71);
-x_76 = lean_ctor_get(x_56, 1);
-lean_inc(x_76);
-x_77 = lean_nat_add(x_75, x_76);
-lean_dec(x_76);
-lean_inc(x_77);
-lean_inc(x_63);
-x_78 = l_Array_toSubarray___rarg(x_63, x_75, x_77);
-x_79 = l_Array_ofSubarray___rarg(x_78);
-x_80 = lean_ctor_get(x_56, 2);
-lean_inc(x_80);
-x_81 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_56);
-lean_dec(x_56);
-x_82 = lean_nat_add(x_77, x_81);
-lean_dec(x_81);
-lean_inc(x_82);
-lean_inc(x_63);
-x_83 = l_Array_toSubarray___rarg(x_63, x_77, x_82);
-x_84 = l_Array_ofSubarray___rarg(x_83);
-x_85 = l_Array_toSubarray___rarg(x_63, x_82, x_64);
-x_86 = l_Array_ofSubarray___rarg(x_85);
-x_87 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_87, 0, x_10);
-lean_ctor_set(x_87, 1, x_69);
-lean_ctor_set(x_87, 2, x_70);
-lean_ctor_set(x_87, 3, x_72);
-lean_ctor_set(x_87, 4, x_74);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_84);
-lean_ctor_set(x_87, 8, x_86);
-x_88 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_12, 0, x_88);
-return x_12;
-}
-else
-{
-lean_object* x_89; 
-lean_dec(x_64);
-lean_dec(x_63);
-lean_dec(x_56);
-lean_dec(x_11);
-lean_dec(x_10);
-x_89 = lean_box(0);
-lean_ctor_set(x_12, 0, x_89);
-return x_12;
-}
-}
-}
-else
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
-x_90 = lean_ctor_get(x_12, 1);
-lean_inc(x_90);
-lean_dec(x_12);
-x_91 = lean_ctor_get(x_13, 0);
-lean_inc(x_91);
-if (lean_is_exclusive(x_13)) {
- lean_ctor_release(x_13, 0);
- x_92 = x_13;
-} else {
- lean_dec_ref(x_13);
- x_92 = lean_box(0);
-}
-x_93 = lean_unsigned_to_nat(0u);
-x_94 = l_Lean_Expr_getAppNumArgsAux(x_1, x_93);
-x_95 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
-lean_inc(x_94);
-x_96 = lean_mk_array(x_94, x_95);
-x_97 = lean_unsigned_to_nat(1u);
-x_98 = lean_nat_sub(x_94, x_97);
-lean_dec(x_94);
-x_99 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_96, x_98);
-x_100 = lean_array_get_size(x_99);
-x_101 = l_Lean_Meta_Match_MatcherInfo_arity(x_91);
-x_102 = lean_nat_dec_lt(x_100, x_101);
-lean_dec(x_101);
-if (x_102 == 0)
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_103 = l_List_redLength___rarg(x_11);
-x_104 = lean_mk_empty_array_with_capacity(x_103);
-lean_dec(x_103);
-x_105 = l_List_toArrayAux___rarg(x_11, x_104);
-x_106 = lean_ctor_get(x_91, 3);
-lean_inc(x_106);
-x_107 = lean_ctor_get(x_91, 0);
-lean_inc(x_107);
-lean_inc(x_107);
-lean_inc(x_99);
-x_108 = l_Array_extract___rarg(x_99, x_93, x_107);
-x_109 = l_Lean_instInhabitedExpr;
-x_110 = lean_array_get(x_109, x_99, x_107);
-x_111 = lean_nat_add(x_107, x_97);
-lean_dec(x_107);
-x_112 = lean_ctor_get(x_91, 1);
-lean_inc(x_112);
-x_113 = lean_nat_add(x_111, x_112);
-lean_dec(x_112);
-lean_inc(x_113);
-lean_inc(x_99);
-x_114 = l_Array_toSubarray___rarg(x_99, x_111, x_113);
-x_115 = l_Array_ofSubarray___rarg(x_114);
-x_116 = lean_ctor_get(x_91, 2);
-lean_inc(x_116);
-x_117 = l_Lean_Meta_Match_MatcherInfo_numAlts(x_91);
-lean_dec(x_91);
-x_118 = lean_nat_add(x_113, x_117);
-lean_dec(x_117);
-lean_inc(x_118);
-lean_inc(x_99);
-x_119 = l_Array_toSubarray___rarg(x_99, x_113, x_118);
-x_120 = l_Array_ofSubarray___rarg(x_119);
-x_121 = l_Array_toSubarray___rarg(x_99, x_118, x_100);
-x_122 = l_Array_ofSubarray___rarg(x_121);
-x_123 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_123, 0, x_10);
-lean_ctor_set(x_123, 1, x_105);
-lean_ctor_set(x_123, 2, x_106);
-lean_ctor_set(x_123, 3, x_108);
-lean_ctor_set(x_123, 4, x_110);
-lean_ctor_set(x_123, 5, x_115);
-lean_ctor_set(x_123, 6, x_116);
-lean_ctor_set(x_123, 7, x_120);
-lean_ctor_set(x_123, 8, x_122);
-if (lean_is_scalar(x_92)) {
- x_124 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_124 = x_92;
-}
-lean_ctor_set(x_124, 0, x_123);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_124);
-lean_ctor_set(x_125, 1, x_90);
-return x_125;
-}
-else
-{
-lean_object* x_126; lean_object* x_127; 
-lean_dec(x_100);
-lean_dec(x_99);
-lean_dec(x_92);
-lean_dec(x_91);
-lean_dec(x_11);
-lean_dec(x_10);
-x_126 = lean_box(0);
-x_127 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_127, 0, x_126);
-lean_ctor_set(x_127, 1, x_90);
-return x_127;
+lean_dec(x_19);
+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;
 }
 }
 }
 }
-else
-{
-lean_object* x_128; lean_object* x_129; 
-lean_dec(x_9);
-lean_dec(x_1);
-x_128 = lean_box(0);
-x_129 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_129, 0, x_128);
-lean_ctor_set(x_129, 1, x_8);
-return x_129;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; 
@@ -1539,11 +4192,11 @@ x_11 = lean_apply_9(x_1, x_4, x_5, x_2, x_3, x_6, x_7, x_8, x_9, x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; uint8_t x_11; lean_object* x_12; 
-x_10 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg___lambda__1), 10, 3);
+x_10 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg___lambda__1), 10, 3);
 lean_closure_set(x_10, 0, x_2);
 lean_closure_set(x_10, 1, x_3);
 lean_closure_set(x_10, 2, x_4);
@@ -1595,1981 +4248,14 @@ return x_20;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg), 9, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg), 9, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_sub(x_1, x_15);
-x_17 = l_Lean_instInhabitedExpr;
-x_18 = lean_array_get(x_17, x_2, x_16);
-lean_dec(x_16);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_3, x_4, x_5, x_18, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; uint8_t x_23; uint8_t x_24; lean_object* x_25; 
-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 = 0;
-x_23 = 1;
-x_24 = 1;
-x_25 = l_Lean_Meta_mkLambdaFVars(x_2, x_20, x_22, x_23, x_24, x_10, x_11, x_12, x_13, x_21);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-return x_25;
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_2);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(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);
-return x_29;
-}
-}
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("unexpected matcher application alternative");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("\nat application");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("");
-return x_1;
-}
-}
-static lean_object* _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
-{
-lean_object* x_16; uint8_t x_17; 
-x_16 = lean_array_get_size(x_7);
-x_17 = lean_nat_dec_le(x_1, x_16);
-lean_dec(x_16);
-if (x_17 == 0)
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_18 = l_Lean_indentExpr(x_5);
-x_19 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2;
-x_20 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_18);
-x_21 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4;
-x_22 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_indentExpr(x_6);
-x_24 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set(x_24, 1, x_23);
-x_25 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6;
-x_26 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_26, 0, x_24);
-lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = lean_ctor_get(x_27, 1);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_27);
-x_31 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_31, 0, x_29);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
-}
-}
-else
-{
-lean_object* x_32; lean_object* x_33; 
-lean_dec(x_6);
-lean_dec(x_5);
-x_32 = lean_box(0);
-x_33 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1(x_1, x_7, x_2, x_3, x_4, x_8, x_32, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-return x_33;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-uint8_t x_15; 
-x_15 = lean_usize_dec_lt(x_6, x_5);
-if (x_15 == 0)
-{
-lean_object* x_16; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_7);
-lean_ctor_set(x_16, 1, x_14);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_17 = lean_array_uget(x_7, x_6);
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_array_uset(x_7, x_6, x_18);
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_17, 1);
-lean_inc(x_21);
-lean_dec(x_17);
-lean_inc(x_4);
-lean_inc(x_20);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_22 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___boxed), 15, 6);
-lean_closure_set(x_22, 0, x_21);
-lean_closure_set(x_22, 1, x_1);
-lean_closure_set(x_22, 2, x_2);
-lean_closure_set(x_22, 3, x_3);
-lean_closure_set(x_22, 4, x_20);
-lean_closure_set(x_22, 5, x_4);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_23 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_20, x_22, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; lean_object* x_25; size_t x_26; size_t x_27; lean_object* x_28; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = 1;
-x_27 = lean_usize_add(x_6, x_26);
-x_28 = lean_array_uset(x_19, x_6, x_24);
-x_6 = x_27;
-x_7 = x_28;
-x_14 = x_25;
-goto _start;
-}
-else
-{
-uint8_t x_30; 
-lean_dec(x_19);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_23);
-if (x_30 == 0)
-{
-return x_23;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_23, 0);
-x_32 = lean_ctor_get(x_23, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_23);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-uint8_t x_15; 
-x_15 = lean_usize_dec_lt(x_6, x_5);
-if (x_15 == 0)
-{
-lean_object* x_16; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_7);
-lean_ctor_set(x_16, 1, x_14);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_17 = lean_array_uget(x_7, x_6);
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_array_uset(x_7, x_6, x_18);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
-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 = 1;
-x_24 = lean_usize_add(x_6, x_23);
-x_25 = lean_array_uset(x_19, x_6, x_21);
-x_6 = x_24;
-x_7 = x_25;
-x_14 = x_22;
-goto _start;
-}
-else
-{
-uint8_t x_27; 
-lean_dec(x_19);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_27 = !lean_is_exclusive(x_20);
-if (x_27 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_20, 0);
-x_29 = lean_ctor_get(x_20, 1);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_20);
-x_30 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-}
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("failed to add functional argument to 'matcher' application");
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_indentD(x_1);
-x_3 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3;
-x_4 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_4, 0, x_3);
-lean_ctor_set(x_4, 1, x_2);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_expr_instantiate1(x_1, x_6);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_19 = lean_array_push(x_18, x_6);
-x_20 = 0;
-x_21 = 1;
-x_22 = 1;
-x_23 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_21, x_22, x_9, x_10, x_11, x_12, x_17);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_23;
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_6);
-x_24 = !lean_is_exclusive(x_15);
-if (x_24 == 0)
-{
-return x_15;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_15, 0);
-x_26 = lean_ctor_get(x_15, 1);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_15);
-x_27 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-return x_27;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_expr_instantiate1(x_1, x_6);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; uint8_t x_22; lean_object* x_23; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_19 = lean_array_push(x_18, x_6);
-x_20 = 0;
-x_21 = 1;
-x_22 = 1;
-x_23 = l_Lean_Meta_mkForallFVars(x_19, x_16, x_20, x_21, x_22, x_9, x_10, x_11, x_12, x_17);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_23;
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_6);
-x_24 = !lean_is_exclusive(x_15);
-if (x_24 == 0)
-{
-return x_15;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_15, 0);
-x_26 = lean_ctor_get(x_15, 1);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_15);
-x_27 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-return x_27;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_expr_instantiate1(x_1, x_6);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_2, x_3, x_4, x_5, x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; uint8_t x_21; lean_object* x_22; 
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___lambda__1___closed__4;
-x_19 = lean_array_push(x_18, x_6);
-x_20 = 0;
-x_21 = 1;
-x_22 = l_Lean_Meta_mkLambdaFVars(x_19, x_16, x_20, x_20, x_21, x_9, x_10, x_11, x_12, x_17);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-return x_22;
-}
-else
-{
-uint8_t x_23; 
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_6);
-x_23 = !lean_is_exclusive(x_15);
-if (x_23 == 0)
-{
-return x_15;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_15, 0);
-x_25 = lean_ctor_get(x_15, 1);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_dec(x_15);
-x_26 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_26, 0, x_24);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
-}
-}
-}
-}
-static lean_object* _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1), 1, 0);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(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:
-{
-switch (lean_obj_tag(x_5)) {
-case 4:
-{
-uint8_t x_13; 
-x_13 = l_Lean_Expr_isConstOf(x_5, x_1);
-if (x_13 == 0)
-{
-lean_object* x_14; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_5);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-else
-{
-lean_object* x_15; 
-x_15 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(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_15;
-}
-}
-case 5:
-{
-lean_object* x_16; lean_object* x_17; 
-lean_inc(x_5);
-x_16 = l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_18);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_ctor_get(x_16, 1);
-lean_inc(x_20);
-lean_dec(x_16);
-x_21 = lean_ctor_get(x_17, 0);
-lean_inc(x_21);
-lean_dec(x_17);
-lean_inc(x_5);
-lean_inc(x_2);
-lean_inc(x_1);
-x_22 = l_Lean_Elab_Structural_recArgHasLooseBVarsAt(x_1, x_2, x_5);
-if (x_22 == 0)
-{
-lean_object* x_23; 
-lean_dec(x_21);
-x_23 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_20);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_inc(x_4);
-x_24 = lean_alloc_closure((void*)(l_Lean_Meta_MatcherApp_addArg), 7, 2);
-lean_closure_set(x_24, 0, x_21);
-lean_closure_set(x_24, 1, x_4);
-x_25 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1;
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_26 = l_Lean_Meta_mapErrorImp___rarg(x_24, x_25, x_8, x_9, x_10, x_11, x_20);
-if (lean_obj_tag(x_26) == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_27);
-x_29 = l_Lean_Elab_Structural_refinedArgType(x_27, x_4, x_8, x_9, x_10, x_11, x_28);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; uint8_t x_31; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_unbox(x_30);
-lean_dec(x_30);
-if (x_31 == 0)
-{
-lean_object* x_32; lean_object* x_33; 
-lean_dec(x_27);
-x_32 = lean_ctor_get(x_29, 1);
-lean_inc(x_32);
-lean_dec(x_29);
-x_33 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_32);
-return x_33;
-}
-else
-{
-lean_object* x_34; uint8_t x_35; 
-x_34 = lean_ctor_get(x_29, 1);
-lean_inc(x_34);
-lean_dec(x_29);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; size_t x_47; size_t x_48; lean_object* x_49; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-x_38 = lean_ctor_get(x_27, 2);
-x_39 = lean_ctor_get(x_27, 3);
-x_40 = lean_ctor_get(x_27, 4);
-x_41 = lean_ctor_get(x_27, 5);
-x_42 = lean_ctor_get(x_27, 6);
-x_43 = lean_ctor_get(x_27, 7);
-x_44 = lean_ctor_get(x_27, 8);
-x_45 = l_Array_zip___rarg(x_43, x_42);
-lean_dec(x_43);
-x_46 = lean_array_get_size(x_45);
-x_47 = lean_usize_of_nat(x_46);
-lean_dec(x_46);
-x_48 = 0;
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_49 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_5, x_47, x_48, x_45, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
-if (lean_obj_tag(x_49) == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; size_t x_53; lean_object* x_54; 
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = lean_array_get_size(x_41);
-x_53 = lean_usize_of_nat(x_52);
-lean_dec(x_52);
-x_54 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_53, x_48, x_41, x_6, x_7, x_8, x_9, x_10, x_11, x_51);
-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; lean_object* x_57; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_ctor_set(x_27, 7, x_50);
-lean_ctor_set(x_27, 5, x_56);
-x_57 = l_Lean_Meta_MatcherApp_toExpr(x_27);
-lean_ctor_set(x_54, 0, x_57);
-return x_54;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_54, 0);
-x_59 = lean_ctor_get(x_54, 1);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_54);
-lean_ctor_set(x_27, 7, x_50);
-lean_ctor_set(x_27, 5, x_58);
-x_60 = l_Lean_Meta_MatcherApp_toExpr(x_27);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_59);
-return x_61;
-}
-}
-else
-{
-uint8_t x_62; 
-lean_dec(x_50);
-lean_free_object(x_27);
-lean_dec(x_44);
-lean_dec(x_42);
-lean_dec(x_40);
-lean_dec(x_39);
-lean_dec(x_38);
-lean_dec(x_37);
-lean_dec(x_36);
-x_62 = !lean_is_exclusive(x_54);
-if (x_62 == 0)
-{
-return x_54;
-}
-else
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_63 = lean_ctor_get(x_54, 0);
-x_64 = lean_ctor_get(x_54, 1);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_dec(x_54);
-x_65 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
-}
-}
-}
-else
-{
-uint8_t x_66; 
-lean_free_object(x_27);
-lean_dec(x_44);
-lean_dec(x_42);
-lean_dec(x_41);
-lean_dec(x_40);
-lean_dec(x_39);
-lean_dec(x_38);
-lean_dec(x_37);
-lean_dec(x_36);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_66 = !lean_is_exclusive(x_49);
-if (x_66 == 0)
-{
-return x_49;
-}
-else
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_67 = lean_ctor_get(x_49, 0);
-x_68 = lean_ctor_get(x_49, 1);
-lean_inc(x_68);
-lean_inc(x_67);
-lean_dec(x_49);
-x_69 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_69, 0, x_67);
-lean_ctor_set(x_69, 1, x_68);
-return x_69;
-}
-}
-}
-else
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; size_t x_81; size_t x_82; lean_object* x_83; 
-x_70 = lean_ctor_get(x_27, 0);
-x_71 = lean_ctor_get(x_27, 1);
-x_72 = lean_ctor_get(x_27, 2);
-x_73 = lean_ctor_get(x_27, 3);
-x_74 = lean_ctor_get(x_27, 4);
-x_75 = lean_ctor_get(x_27, 5);
-x_76 = lean_ctor_get(x_27, 6);
-x_77 = lean_ctor_get(x_27, 7);
-x_78 = lean_ctor_get(x_27, 8);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_inc(x_72);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_dec(x_27);
-x_79 = l_Array_zip___rarg(x_77, x_76);
-lean_dec(x_77);
-x_80 = lean_array_get_size(x_79);
-x_81 = lean_usize_of_nat(x_80);
-lean_dec(x_80);
-x_82 = 0;
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_83 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_5, x_81, x_82, x_79, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
-if (lean_obj_tag(x_83) == 0)
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; size_t x_87; lean_object* x_88; 
-x_84 = lean_ctor_get(x_83, 0);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_83, 1);
-lean_inc(x_85);
-lean_dec(x_83);
-x_86 = lean_array_get_size(x_75);
-x_87 = lean_usize_of_nat(x_86);
-lean_dec(x_86);
-x_88 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_87, x_82, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_85);
-if (lean_obj_tag(x_88) == 0)
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_88, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_91 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_91 = lean_box(0);
-}
-x_92 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_92, 0, x_70);
-lean_ctor_set(x_92, 1, x_71);
-lean_ctor_set(x_92, 2, x_72);
-lean_ctor_set(x_92, 3, x_73);
-lean_ctor_set(x_92, 4, x_74);
-lean_ctor_set(x_92, 5, x_89);
-lean_ctor_set(x_92, 6, x_76);
-lean_ctor_set(x_92, 7, x_84);
-lean_ctor_set(x_92, 8, x_78);
-x_93 = l_Lean_Meta_MatcherApp_toExpr(x_92);
-if (lean_is_scalar(x_91)) {
- x_94 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_94 = x_91;
-}
-lean_ctor_set(x_94, 0, x_93);
-lean_ctor_set(x_94, 1, x_90);
-return x_94;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-lean_dec(x_84);
-lean_dec(x_78);
-lean_dec(x_76);
-lean_dec(x_74);
-lean_dec(x_73);
-lean_dec(x_72);
-lean_dec(x_71);
-lean_dec(x_70);
-x_95 = lean_ctor_get(x_88, 0);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_88, 1);
-lean_inc(x_96);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_97 = x_88;
-} else {
- lean_dec_ref(x_88);
- 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_78);
-lean_dec(x_76);
-lean_dec(x_75);
-lean_dec(x_74);
-lean_dec(x_73);
-lean_dec(x_72);
-lean_dec(x_71);
-lean_dec(x_70);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_99 = lean_ctor_get(x_83, 0);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_83, 1);
-lean_inc(x_100);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_101 = x_83;
-} else {
- lean_dec_ref(x_83);
- 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
-{
-uint8_t x_103; 
-lean_dec(x_27);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_103 = !lean_is_exclusive(x_29);
-if (x_103 == 0)
-{
-return x_29;
-}
-else
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_104 = lean_ctor_get(x_29, 0);
-x_105 = lean_ctor_get(x_29, 1);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_29);
-x_106 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_106, 0, x_104);
-lean_ctor_set(x_106, 1, x_105);
-return x_106;
-}
-}
-}
-else
-{
-uint8_t x_107; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_107 = !lean_is_exclusive(x_26);
-if (x_107 == 0)
-{
-return x_26;
-}
-else
-{
-lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_108 = lean_ctor_get(x_26, 0);
-x_109 = lean_ctor_get(x_26, 1);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_dec(x_26);
-x_110 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_110, 0, x_108);
-lean_ctor_set(x_110, 1, x_109);
-return x_110;
-}
-}
-}
-}
-}
-case 6:
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; uint64_t x_114; lean_object* x_115; 
-x_111 = lean_ctor_get(x_5, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_5, 1);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_5, 2);
-lean_inc(x_113);
-x_114 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
-lean_dec(x_5);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_115 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_112, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_115) == 0)
-{
-lean_object* x_116; lean_object* x_117; uint8_t x_118; lean_object* x_119; lean_object* x_120; 
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = (uint8_t)((x_114 << 24) >> 61);
-x_119 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed), 13, 5);
-lean_closure_set(x_119, 0, x_113);
-lean_closure_set(x_119, 1, x_1);
-lean_closure_set(x_119, 2, x_2);
-lean_closure_set(x_119, 3, x_3);
-lean_closure_set(x_119, 4, x_4);
-x_120 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_111, x_118, x_116, x_119, x_6, x_7, x_8, x_9, x_10, x_11, x_117);
-return x_120;
-}
-else
-{
-uint8_t x_121; 
-lean_dec(x_113);
-lean_dec(x_111);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_121 = !lean_is_exclusive(x_115);
-if (x_121 == 0)
-{
-return x_115;
-}
-else
-{
-lean_object* x_122; lean_object* x_123; lean_object* x_124; 
-x_122 = lean_ctor_get(x_115, 0);
-x_123 = lean_ctor_get(x_115, 1);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_dec(x_115);
-x_124 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_124, 0, x_122);
-lean_ctor_set(x_124, 1, x_123);
-return x_124;
-}
-}
-}
-case 7:
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; uint64_t x_128; lean_object* x_129; 
-x_125 = lean_ctor_get(x_5, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_5, 1);
-lean_inc(x_126);
-x_127 = lean_ctor_get(x_5, 2);
-lean_inc(x_127);
-x_128 = lean_ctor_get_uint64(x_5, sizeof(void*)*3);
-lean_dec(x_5);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_129 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_126, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_129) == 0)
-{
-lean_object* x_130; lean_object* x_131; uint8_t x_132; lean_object* x_133; lean_object* x_134; 
-x_130 = lean_ctor_get(x_129, 0);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_129, 1);
-lean_inc(x_131);
-lean_dec(x_129);
-x_132 = (uint8_t)((x_128 << 24) >> 61);
-x_133 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed), 13, 5);
-lean_closure_set(x_133, 0, x_127);
-lean_closure_set(x_133, 1, x_1);
-lean_closure_set(x_133, 2, x_2);
-lean_closure_set(x_133, 3, x_3);
-lean_closure_set(x_133, 4, x_4);
-x_134 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_125, x_132, x_130, x_133, x_6, x_7, x_8, x_9, x_10, x_11, x_131);
-return x_134;
-}
-else
-{
-uint8_t x_135; 
-lean_dec(x_127);
-lean_dec(x_125);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_135 = !lean_is_exclusive(x_129);
-if (x_135 == 0)
-{
-return x_129;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_136 = lean_ctor_get(x_129, 0);
-x_137 = lean_ctor_get(x_129, 1);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_dec(x_129);
-x_138 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_138, 0, x_136);
-lean_ctor_set(x_138, 1, x_137);
-return x_138;
-}
-}
-}
-case 8:
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-x_139 = lean_ctor_get(x_5, 0);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_5, 1);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_5, 2);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_5, 3);
-lean_inc(x_142);
-lean_dec(x_5);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_143 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_140, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_143) == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_144 = lean_ctor_get(x_143, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_143, 1);
-lean_inc(x_145);
-lean_dec(x_143);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_146 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_141, x_6, x_7, x_8, x_9, x_10, x_11, x_145);
-if (lean_obj_tag(x_146) == 0)
-{
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_147 = lean_ctor_get(x_146, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_146, 1);
-lean_inc(x_148);
-lean_dec(x_146);
-x_149 = lean_alloc_closure((void*)(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed), 13, 5);
-lean_closure_set(x_149, 0, x_142);
-lean_closure_set(x_149, 1, x_1);
-lean_closure_set(x_149, 2, x_2);
-lean_closure_set(x_149, 3, x_3);
-lean_closure_set(x_149, 4, x_4);
-x_150 = l_Lean_Meta_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(x_139, x_144, x_147, x_149, x_6, x_7, x_8, x_9, x_10, x_11, x_148);
-return x_150;
-}
-else
-{
-uint8_t x_151; 
-lean_dec(x_144);
-lean_dec(x_142);
-lean_dec(x_139);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_151 = !lean_is_exclusive(x_146);
-if (x_151 == 0)
-{
-return x_146;
-}
-else
-{
-lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_152 = lean_ctor_get(x_146, 0);
-x_153 = lean_ctor_get(x_146, 1);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_dec(x_146);
-x_154 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_154, 0, x_152);
-lean_ctor_set(x_154, 1, x_153);
-return x_154;
-}
-}
-}
-else
-{
-uint8_t x_155; 
-lean_dec(x_142);
-lean_dec(x_141);
-lean_dec(x_139);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_155 = !lean_is_exclusive(x_143);
-if (x_155 == 0)
-{
-return x_143;
-}
-else
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-x_156 = lean_ctor_get(x_143, 0);
-x_157 = lean_ctor_get(x_143, 1);
-lean_inc(x_157);
-lean_inc(x_156);
-lean_dec(x_143);
-x_158 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_158, 0, x_156);
-lean_ctor_set(x_158, 1, x_157);
-return x_158;
-}
-}
-}
-case 10:
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-x_159 = lean_ctor_get(x_5, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_5, 1);
-lean_inc(x_160);
-x_161 = l_Lean_getRecAppSyntax_x3f(x_5);
-lean_dec(x_5);
-if (lean_obj_tag(x_161) == 0)
-{
-lean_object* x_162; 
-x_162 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_160, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_162) == 0)
-{
-uint8_t x_163; 
-x_163 = !lean_is_exclusive(x_162);
-if (x_163 == 0)
-{
-lean_object* x_164; lean_object* x_165; 
-x_164 = lean_ctor_get(x_162, 0);
-x_165 = l_Lean_mkMData(x_159, x_164);
-lean_ctor_set(x_162, 0, x_165);
-return x_162;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-x_166 = lean_ctor_get(x_162, 0);
-x_167 = lean_ctor_get(x_162, 1);
-lean_inc(x_167);
-lean_inc(x_166);
-lean_dec(x_162);
-x_168 = l_Lean_mkMData(x_159, x_166);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_167);
-return x_169;
-}
-}
-else
-{
-uint8_t x_170; 
-lean_dec(x_159);
-x_170 = !lean_is_exclusive(x_162);
-if (x_170 == 0)
-{
-return x_162;
-}
-else
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_171 = lean_ctor_get(x_162, 0);
-x_172 = lean_ctor_get(x_162, 1);
-lean_inc(x_172);
-lean_inc(x_171);
-lean_dec(x_162);
-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
-{
-lean_object* x_174; uint8_t x_175; 
-lean_dec(x_159);
-x_174 = lean_ctor_get(x_161, 0);
-lean_inc(x_174);
-lean_dec(x_161);
-x_175 = !lean_is_exclusive(x_10);
-if (x_175 == 0)
-{
-lean_object* x_176; lean_object* x_177; 
-x_176 = lean_ctor_get(x_10, 3);
-x_177 = l_Lean_replaceRef(x_174, x_176);
-lean_dec(x_176);
-lean_dec(x_174);
-lean_ctor_set(x_10, 3, x_177);
-x_5 = x_160;
-goto _start;
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_179 = lean_ctor_get(x_10, 0);
-x_180 = lean_ctor_get(x_10, 1);
-x_181 = lean_ctor_get(x_10, 2);
-x_182 = lean_ctor_get(x_10, 3);
-x_183 = lean_ctor_get(x_10, 4);
-x_184 = lean_ctor_get(x_10, 5);
-x_185 = lean_ctor_get(x_10, 6);
-x_186 = lean_ctor_get(x_10, 7);
-x_187 = lean_ctor_get(x_10, 8);
-lean_inc(x_187);
-lean_inc(x_186);
-lean_inc(x_185);
-lean_inc(x_184);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_inc(x_181);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_10);
-x_188 = l_Lean_replaceRef(x_174, x_182);
-lean_dec(x_182);
-lean_dec(x_174);
-x_189 = lean_alloc_ctor(0, 9, 0);
-lean_ctor_set(x_189, 0, x_179);
-lean_ctor_set(x_189, 1, x_180);
-lean_ctor_set(x_189, 2, x_181);
-lean_ctor_set(x_189, 3, x_188);
-lean_ctor_set(x_189, 4, x_183);
-lean_ctor_set(x_189, 5, x_184);
-lean_ctor_set(x_189, 6, x_185);
-lean_ctor_set(x_189, 7, x_186);
-lean_ctor_set(x_189, 8, x_187);
-x_5 = x_160;
-x_10 = x_189;
-goto _start;
-}
-}
-}
-case 11:
-{
-lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
-x_191 = lean_ctor_get(x_5, 0);
-lean_inc(x_191);
-x_192 = lean_ctor_get(x_5, 1);
-lean_inc(x_192);
-x_193 = lean_ctor_get(x_5, 2);
-lean_inc(x_193);
-lean_dec(x_5);
-x_194 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_193, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_194) == 0)
-{
-uint8_t x_195; 
-x_195 = !lean_is_exclusive(x_194);
-if (x_195 == 0)
-{
-lean_object* x_196; lean_object* x_197; 
-x_196 = lean_ctor_get(x_194, 0);
-x_197 = l_Lean_mkProj(x_191, x_192, x_196);
-lean_ctor_set(x_194, 0, x_197);
-return x_194;
-}
-else
-{
-lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_198 = lean_ctor_get(x_194, 0);
-x_199 = lean_ctor_get(x_194, 1);
-lean_inc(x_199);
-lean_inc(x_198);
-lean_dec(x_194);
-x_200 = l_Lean_mkProj(x_191, x_192, x_198);
-x_201 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_201, 0, x_200);
-lean_ctor_set(x_201, 1, x_199);
-return x_201;
-}
-}
-else
-{
-uint8_t x_202; 
-lean_dec(x_192);
-lean_dec(x_191);
-x_202 = !lean_is_exclusive(x_194);
-if (x_202 == 0)
-{
-return x_194;
-}
-else
-{
-lean_object* x_203; lean_object* x_204; lean_object* x_205; 
-x_203 = lean_ctor_get(x_194, 0);
-x_204 = lean_ctor_get(x_194, 1);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_dec(x_194);
-x_205 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_205, 0, x_203);
-lean_ctor_set(x_205, 1, x_204);
-return x_205;
-}
-}
-}
-default: 
-{
-lean_object* x_206; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_206 = l_Lean_Elab_ensureNoRecFn(x_1, x_5, x_8, x_9, x_10, x_11, x_12);
-return x_206;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-uint8_t x_15; 
-x_15 = lean_usize_dec_lt(x_6, x_5);
-if (x_15 == 0)
-{
-lean_object* x_16; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_7);
-lean_ctor_set(x_16, 1, x_14);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_17 = lean_array_uget(x_7, x_6);
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_array_uset(x_7, x_6, x_18);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_20 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
-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 = 1;
-x_24 = lean_usize_add(x_6, x_23);
-x_25 = lean_array_uset(x_19, x_6, x_21);
-x_6 = x_24;
-x_7 = x_25;
-x_14 = x_22;
-goto _start;
-}
-else
-{
-uint8_t x_27; 
-lean_dec(x_19);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_27 = !lean_is_exclusive(x_20);
-if (x_27 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_20, 0);
-x_29 = lean_ctor_get(x_20, 1);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_20);
-x_30 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-if (lean_obj_tag(x_5) == 5)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_15 = lean_ctor_get(x_5, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_5, 1);
-lean_inc(x_16);
-lean_dec(x_5);
-x_17 = lean_array_set(x_6, x_7, x_16);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = lean_nat_sub(x_7, x_18);
-lean_dec(x_7);
-x_5 = x_15;
-x_6 = x_17;
-x_7 = x_19;
-goto _start;
-}
-else
-{
-lean_object* x_21; 
-lean_dec(x_7);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; size_t x_25; size_t x_26; lean_object* x_27; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_array_get_size(x_6);
-x_25 = lean_usize_of_nat(x_24);
-lean_dec(x_24);
-x_26 = 0;
-x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(x_1, x_2, x_3, x_4, x_25, x_26, x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_23);
-if (lean_obj_tag(x_27) == 0)
-{
-uint8_t x_28; 
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = l_Lean_mkAppN(x_22, x_29);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_27, 0);
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_27);
-x_33 = l_Lean_mkAppN(x_22, x_31);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_32);
-return x_34;
-}
-}
-else
-{
-uint8_t x_35; 
-lean_dec(x_22);
-x_35 = !lean_is_exclusive(x_27);
-if (x_35 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_27, 0);
-x_37 = lean_ctor_get(x_27, 1);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_27);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
-}
-}
-}
-else
-{
-uint8_t x_39; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_39 = !lean_is_exclusive(x_21);
-if (x_39 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_21, 0);
-x_41 = lean_ctor_get(x_21, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_21);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp(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; 
-x_13 = l_Lean_Expr_isAppOf(x_5, x_1);
-if (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; lean_object* x_20; 
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = l_Lean_Expr_getAppNumArgsAux(x_5, x_14);
-x_16 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1;
-lean_inc(x_15);
-x_17 = lean_mk_array(x_15, x_16);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = lean_nat_sub(x_15, x_18);
-lean_dec(x_15);
-x_20 = l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__2(x_1, x_2, x_3, x_4, x_5, x_17, x_19, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_20;
-}
-else
-{
-lean_object* x_21; 
-x_21 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec(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_21;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-size_t x_15; size_t x_16; lean_object* x_17; 
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___spec__1(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = l_Lean_Meta_getMatcherInfo_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___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_Lean_Meta_matchMatcherApp_x3f___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-lean_object* x_15; 
-x_15 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-lean_dec(x_7);
-lean_dec(x_1);
-return x_15;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
-{
-lean_object* x_16; 
-x_16 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-lean_dec(x_1);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-size_t x_15; size_t x_16; lean_object* x_17; 
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-size_t x_15; size_t x_16; lean_object* x_17; 
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_1);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__3(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_1);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; 
-x_14 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__4(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_1);
-return x_14;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
-_start:
-{
-size_t x_15; size_t x_16; lean_object* x_17; 
-x_15 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_16 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_17 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processApp___spec__1(x_1, x_2, x_3, x_4, x_15, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_17;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps(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_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop(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_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
@@ -4008,7 +4694,6 @@ x_21 = lean_nat_sub(x_19, x_20);
 x_22 = lean_unsigned_to_nat(1u);
 x_23 = lean_nat_sub(x_21, x_22);
 lean_dec(x_21);
-lean_inc(x_3);
 x_24 = l_Lean_Expr_getRevArg_x21(x_3, x_23);
 x_25 = lean_expr_eqv(x_24, x_1);
 lean_dec(x_24);
@@ -4026,7 +4711,6 @@ x_27 = lean_unsigned_to_nat(4u);
 x_28 = lean_nat_sub(x_19, x_27);
 x_29 = lean_nat_sub(x_28, x_22);
 lean_dec(x_28);
-lean_inc(x_3);
 x_30 = l_Lean_Expr_getRevArg_x21(x_3, x_29);
 x_31 = l_Lean_Expr_isLambda(x_30);
 lean_dec(x_30);
@@ -4044,7 +4728,6 @@ x_33 = lean_unsigned_to_nat(5u);
 x_34 = lean_nat_sub(x_19, x_33);
 x_35 = lean_nat_sub(x_34, x_22);
 lean_dec(x_34);
-lean_inc(x_3);
 x_36 = l_Lean_Expr_getRevArg_x21(x_3, x_35);
 x_37 = l_Lean_Expr_isLambda(x_36);
 lean_dec(x_36);
@@ -4092,7 +4775,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_53 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_51, x_52, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_53 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_51, x_52, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
 if (lean_obj_tag(x_53) == 0)
 {
 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; 
@@ -4126,7 +4809,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_61 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_58, x_60, x_5, x_6, x_7, x_8, x_9, x_10, x_55);
+x_61 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_58, x_60, x_5, x_6, x_7, x_8, x_9, x_10, x_55);
 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; 
@@ -4152,7 +4835,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_67 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_64, x_66, x_5, x_6, x_7, x_8, x_9, x_10, x_63);
+x_67 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_64, x_66, x_5, x_6, x_7, x_8, x_9, x_10, x_63);
 if (lean_obj_tag(x_67) == 0)
 {
 lean_object* x_68; lean_object* x_69; lean_object* x_70; 
@@ -4775,7 +5458,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__4;
 x_2 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__5;
-x_3 = lean_unsigned_to_nat(118u);
+x_3 = lean_unsigned_to_nat(124u);
 x_4 = lean_unsigned_to_nat(49u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__6;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4826,7 +5509,6 @@ x_21 = lean_nat_sub(x_19, x_20);
 x_22 = lean_unsigned_to_nat(1u);
 x_23 = lean_nat_sub(x_21, x_22);
 lean_dec(x_21);
-lean_inc(x_3);
 x_24 = l_Lean_Expr_getRevArg_x21(x_3, x_23);
 x_25 = lean_expr_eqv(x_24, x_1);
 lean_dec(x_24);
@@ -4845,7 +5527,6 @@ x_27 = lean_unsigned_to_nat(4u);
 x_28 = lean_nat_sub(x_19, x_27);
 x_29 = lean_nat_sub(x_28, x_22);
 lean_dec(x_28);
-lean_inc(x_3);
 x_30 = l_Lean_Expr_getRevArg_x21(x_3, x_29);
 x_31 = l_Lean_Expr_isLambda(x_30);
 if (x_31 == 0)
@@ -4986,7 +5667,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_69 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_67, x_68, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
+x_69 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_67, x_68, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
 if (lean_obj_tag(x_69) == 0)
 {
 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; 
@@ -5013,7 +5694,7 @@ lean_closure_set(x_76, 2, x_61);
 lean_closure_set(x_76, 3, x_64);
 lean_closure_set(x_76, 4, x_1);
 lean_closure_set(x_76, 5, x_4);
-x_77 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_74, x_76, x_5, x_6, x_7, x_8, x_9, x_10, x_71);
+x_77 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_74, x_76, x_5, x_6, x_7, x_8, x_9, x_10, x_71);
 if (lean_obj_tag(x_77) == 0)
 {
 uint8_t x_78; 
@@ -5212,7 +5893,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_126 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_124, x_125, x_5, x_6, x_7, x_8, x_9, x_10, x_122);
+x_126 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_124, x_125, x_5, x_6, x_7, x_8, x_9, x_10, x_122);
 if (lean_obj_tag(x_126) == 0)
 {
 lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
@@ -5239,7 +5920,7 @@ lean_closure_set(x_133, 2, x_118);
 lean_closure_set(x_133, 3, x_121);
 lean_closure_set(x_133, 4, x_1);
 lean_closure_set(x_133, 5, x_4);
-x_134 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_131, x_133, x_5, x_6, x_7, x_8, x_9, x_10, x_128);
+x_134 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_131, x_133, x_5, x_6, x_7, x_8, x_9, x_10, x_128);
 if (lean_obj_tag(x_134) == 0)
 {
 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_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
@@ -5442,7 +6123,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_175 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_173, x_174, x_5, x_6, x_7, x_8, x_9, x_10, x_171);
+x_175 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_173, x_174, x_5, x_6, x_7, x_8, x_9, x_10, x_171);
 if (lean_obj_tag(x_175) == 0)
 {
 lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
@@ -5469,7 +6150,7 @@ lean_closure_set(x_182, 2, x_167);
 lean_closure_set(x_182, 3, x_170);
 lean_closure_set(x_182, 4, x_1);
 lean_closure_set(x_182, 5, x_4);
-x_183 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_180, x_182, x_5, x_6, x_7, x_8, x_9, x_10, x_177);
+x_183 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_180, x_182, x_5, x_6, x_7, x_8, x_9, x_10, x_177);
 if (lean_obj_tag(x_183) == 0)
 {
 lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
@@ -5743,7 +6424,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_235 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_233, x_234, x_5, x_6, x_7, x_8, x_9, x_10, x_231);
+x_235 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_233, x_234, x_5, x_6, x_7, x_8, x_9, x_10, x_231);
 if (lean_obj_tag(x_235) == 0)
 {
 lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
@@ -5770,7 +6451,7 @@ lean_closure_set(x_242, 2, x_227);
 lean_closure_set(x_242, 3, x_230);
 lean_closure_set(x_242, 4, x_1);
 lean_closure_set(x_242, 5, x_4);
-x_243 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_240, x_242, x_5, x_6, x_7, x_8, x_9, x_10, x_237);
+x_243 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_240, x_242, x_5, x_6, x_7, x_8, x_9, x_10, x_237);
 if (lean_obj_tag(x_243) == 0)
 {
 lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; 
@@ -6865,6 +7546,7 @@ return x_15;
 }
 }
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Util_HasConstCache(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Match_Match(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Simp_Main(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Cleanup(uint8_t builtin, lean_object*);
@@ -6881,6 +7563,9 @@ _G_initialized = true;
 res = initialize_Init(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Util_HasConstCache(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 res = initialize_Lean_Meta_Match_Match(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
@@ -6917,26 +7602,28 @@ l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTacti
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_applyDefaultDecrTactic___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_processRec___closed__1);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__1);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__2);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__3);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__4);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__5);
-l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6();
-lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4___lambda__2___closed__6);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__1);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__2);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__3);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__4);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__5);
+l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6 = _init_l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__2);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1___closed__3);
-l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___closed__1);
+l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__5___closed__1);
+l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__2___closed__1);
 l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3___closed__1 = _init_l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___lambda__3___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
index 764a33be7d..d1ae605ae3 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
@@ -141,6 +141,7 @@ lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_wfRecursion___lambda__4(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_isOnlyOneUnaryDef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_wfRecursion___closed__2;
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -151,7 +152,6 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spe
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__3___closed__1;
 lean_object* l_List_mapTRAux___at_Lean_mkConstWithLevelParams___spec__1(lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
-lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___closed__1;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_wfRecursion___lambda__2___closed__2;
@@ -1076,7 +1076,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_32 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__3___rarg(x_30, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+x_32 = l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg(x_30, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
 if (lean_obj_tag(x_32) == 0)
 {
 lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; 
diff --git a/stage0/stdlib/Lean/Elab/StructInst.c b/stage0/stdlib/Lean/Elab/StructInst.c
index ed2c63dd6a..e2720c47c6 100644
--- a/stage0/stdlib/Lean/Elab/StructInst.c
+++ b/stage0/stdlib/Lean/Elab/StructInst.c
@@ -16694,6 +16694,7 @@ x_327 = lean_unsigned_to_nat(1u);
 x_328 = lean_nat_sub(x_326, x_327);
 lean_dec(x_326);
 x_329 = l_Lean_Expr_getRevArg_x21(x_251, x_328);
+lean_dec(x_251);
 x_330 = lean_expr_consume_type_annotations(x_329);
 lean_ctor_set(x_253, 0, x_330);
 x_331 = lean_box(0);
@@ -17059,6 +17060,7 @@ x_436 = lean_unsigned_to_nat(1u);
 x_437 = lean_nat_sub(x_435, x_436);
 lean_dec(x_435);
 x_438 = l_Lean_Expr_getRevArg_x21(x_251, x_437);
+lean_dec(x_251);
 x_439 = lean_expr_consume_type_annotations(x_438);
 x_440 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_440, 0, x_439);
diff --git a/stage0/stdlib/Lean/Elab/Structure.c b/stage0/stdlib/Lean/Elab/Structure.c
index ff4299ef78..70f4d20f9d 100644
--- a/stage0/stdlib/Lean/Elab/Structure.c
+++ b/stage0/stdlib/Lean/Elab/Structure.c
@@ -48,7 +48,7 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkCoercionToCopiedParent_copyFields___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_addDeclarationRanges___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(lean_object*, lean_object*);
+lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__5___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_checkResultingUniverse(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -134,6 +134,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_checkValidCtorModifier___at___priva
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_551____closed__18;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_addDefaults(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_copyNewFieldsFrom_mkCompositeField___closed__3;
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_checkValidCtorModifier___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__15___closed__2;
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_551____closed__3;
@@ -396,7 +397,6 @@ static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure
 lean_object* lean_name_append_index_after(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___spec__4(lean_object*);
 lean_object* l_Lean_Meta_withLetDecl___at_Lean_Elab_Term_elabLetDeclAux___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__5___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabStructure___closed__4;
@@ -1928,7 +1928,7 @@ lean_ctor_set(x_23, 0, x_22);
 lean_ctor_set(x_23, 1, x_14);
 x_24 = lean_ctor_get(x_1, 2);
 lean_inc(x_24);
-x_25 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_24, x_4);
+x_25 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_24, x_4);
 x_26 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_26, 0, x_23);
 lean_ctor_set(x_26, 1, x_25);
@@ -2032,7 +2032,7 @@ x_59 = lean_ctor_get(x_41, 0);
 lean_inc(x_59);
 lean_dec(x_41);
 x_60 = lean_unsigned_to_nat(1024u);
-x_61 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_59, x_60);
+x_61 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_59, x_60);
 x_62 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_551____closed__28;
 x_63 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_63, 0, x_62);
@@ -22736,7 +22736,7 @@ if (lean_obj_tag(x_22) == 0)
 {
 lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
 x_23 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_elabStructureView___spec__5___closed__4;
-x_24 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_23);
+x_24 = l_panic___at_Lean_mkApp___spec__1(x_23);
 x_25 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_25, 0, x_18);
 lean_ctor_set(x_25, 1, x_24);
diff --git a/stage0/stdlib/Lean/Expr.c b/stage0/stdlib/Lean/Expr.c
index 2ad3293ea0..e5ee6f748d 100644
--- a/stage0/stdlib/Lean/Expr.c
+++ b/stage0/stdlib/Lean/Expr.c
@@ -16,9 +16,9 @@ extern "C" {
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_isImplicit___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isBinding___boxed(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__25;
 static lean_object* l_Lean_Expr_letName_x21___closed__2;
 static lean_object* l_Lean_Expr_ctorName___closed__7;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__28;
 static lean_object* l_Lean_mkNatLit___closed__8;
 LEAN_EXPORT lean_object* l_Lean_instLTLiteral;
 static lean_object* l_Lean_mkLHSGoal___closed__2;
@@ -27,8 +27,6 @@ LEAN_EXPORT lean_object* l_Lean_Expr_updateSort___boxed(lean_object*, lean_objec
 lean_object* lean_expr_update_forall(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_hasAnyFVar_visit___at_Lean_Expr_containsFVar___spec__1(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__5;
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__3___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_mkDecIsFalse___closed__2;
 static lean_object* l_Lean_Expr_bvarIdx_x21___closed__3;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__16;
@@ -40,6 +38,7 @@ static lean_object* l_Lean_mkNatLit___closed__4;
 LEAN_EXPORT lean_object* l_Lean_isLHSGoal_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_bindingDomain_x21___boxed(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__6;
 LEAN_EXPORT uint8_t l_Lean_Expr_isCharLit(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_litValue_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_letName_x21(lean_object*);
@@ -49,7 +48,7 @@ LEAN_EXPORT lean_object* l_Lean_mkFreshMVarId___rarg(lean_object*, lean_object*)
 LEAN_EXPORT lean_object* l_Lean_Expr_replaceFVar___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_projIdx_x21___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLambda___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppNumArgs___boxed(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l_Lean_Expr_projExpr_x21___closed__3;
@@ -74,6 +73,7 @@ LEAN_EXPORT lean_object* l_Lean_mkApp6(lean_object*, lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_Expr_eqv___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isMData(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_getRevArg_x21___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_letBody_x21___boxed(lean_object*);
 uint8_t lean_uint8_dec_eq(uint8_t, uint8_t);
 static lean_object* l_Lean_mkDecIsFalse___closed__1;
@@ -91,14 +91,15 @@ LEAN_EXPORT uint8_t l_Lean_Expr_isProp(lean_object*);
 uint64_t lean_uint64_of_nat(lean_object*);
 static lean_object* l_Lean_Expr_instHashableExpr___closed__1;
 static lean_object* l_Lean_mkInaccessible___closed__1;
-LEAN_EXPORT uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+LEAN_EXPORT uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 static lean_object* l_Lean_Expr_litValue_x21___closed__1;
 lean_object* lean_expr_update_mdata(lean_object*, lean_object*);
 uint32_t lean_uint8_to_uint32(uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__30;
 static lean_object* l_Lean_Expr_letBody_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppArgs(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__25;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__5;
 static lean_object* l_Lean_Expr_projIdx_x21___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_etaExpandedBody(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Std_Format_defWidth;
@@ -111,6 +112,7 @@ static lean_object* l_Lean_Expr_updateLambda_x21___closed__3;
 uint64_t lean_uint64_add(uint64_t, uint64_t);
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_bindingInfo_x21___closed__1;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__42;
 LEAN_EXPORT lean_object* l_Lean_Level_instantiateParams___at_Lean_Expr_instantiateLevelParams___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ExprStructEq_instHashableExprStructEq;
 uint64_t lean_bool_to_uint64(uint8_t);
@@ -131,17 +133,18 @@ LEAN_EXPORT lean_object* l_Lean_mkLambda___boxed(lean_object*, lean_object*, lea
 LEAN_EXPORT lean_object* l_Lean_Expr_getAutoParamTactic_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkLit(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppRevArgs(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677____boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Level_instantiateParams___at_Lean_Expr_instantiateLevelParamsArray___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelParamEx___boxed(lean_object*);
 LEAN_EXPORT uint64_t l_Lean_Expr_Data_hash(uint64_t);
 LEAN_EXPORT lean_object* l_Lean_mkLHSGoal(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__6;
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732____boxed(lean_object*);
 uint8_t lean_uint32_to_uint8(uint32_t);
 static lean_object* l_Lean_mkDecIsTrue___closed__5;
+LEAN_EXPORT uint64_t l_Lean_Expr_mkAppData(uint64_t, uint64_t, uint64_t, uint8_t, uint16_t);
 LEAN_EXPORT lean_object* l_Lean_instFVarIdSetEmptyCollection;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkMVar(lean_object*);
+static lean_object* l_Lean_mkApp___closed__3;
 size_t lean_usize_sub(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_etaExpandedAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hash___boxed(lean_object*);
@@ -154,19 +157,23 @@ LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsArray(lean_object*, l
 static lean_object* l_Lean_Expr_litValue_x21___closed__3;
 static lean_object* l_Lean_Expr_constName_x21___closed__1;
 static lean_object* l_Lean_Expr_mvarId_x21___closed__1;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__46;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__23;
 uint8_t l_Lean_Level_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_constName_x21___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isArrow___boxed(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppRev___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Name_reprPrec(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_mkData___closed__3;
 LEAN_EXPORT lean_object* l_Lean_annotation_x3f___boxed(lean_object*, lean_object*);
+static lean_object* l_Lean_mkApp___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Expr_mkDataForBinder(uint64_t, lean_object*, uint32_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__12;
 LEAN_EXPORT lean_object* l_Lean_Expr_setPPExplicit(lean_object*, uint8_t);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__33;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__47;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__21;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__38;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_getParamSubst___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_annotation_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_constName_x3f___boxed(lean_object*);
@@ -174,19 +181,16 @@ LEAN_EXPORT lean_object* l_Lean_Expr_binderInfoEx___boxed(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isApp(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_Data_binderInfo___boxed(lean_object*);
 static lean_object* l_Lean_Expr_ctorName___closed__2;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__22;
 static lean_object* l_Lean_Expr_updateApp_x21___closed__2;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLooseBVarInExplicitDomain(lean_object*, lean_object*, uint8_t);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasFVarEx___boxed(lean_object*);
 uint64_t l_Lean_Level_hash(lean_object*);
 static lean_object* l_Lean_Expr_ctorName___closed__8;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__26;
 LEAN_EXPORT lean_object* l_Lean_Expr_lt___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLet___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__38;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__21;
 LEAN_EXPORT lean_object* l_Lean_Expr_appFn_x21(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelMVar___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isAutoParam___boxed(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
@@ -195,12 +199,13 @@ static lean_object* l_Lean_Expr_mvarId_x21___closed__2;
 static lean_object* l_Lean_mkSimpleThunkType___closed__1;
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_toUInt64___boxed(lean_object*);
 static lean_object* l_Lean_Expr_bindingBody_x21___closed__1;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__29;
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_toCtorIdx(uint8_t);
 static lean_object* l_Lean_Expr_ctorName___closed__4;
 LEAN_EXPORT uint8_t l_List_foldr___at_Lean_mkConst___spec__2(uint8_t, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isBVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__13;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__41;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 static lean_object* l_Lean_Literal_type___closed__3;
 lean_object* lean_array_push(lean_object*, lean_object*);
@@ -210,35 +215,39 @@ LEAN_EXPORT lean_object* l_Lean_mkLetFunAnnotation(lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t lean_expr_has_level_mvar(lean_object*);
 static lean_object* l_Lean_ExprStructEq_instBEqExprStructEq___closed__1;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__33;
 static lean_object* l_Lean_Expr_updateForall_x21___closed__1;
 static lean_object* l_Lean_ExprStructEq_instHashableExprStructEq___closed__1;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__22;
 static lean_object* l_Lean_Expr_appFn_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_getOptParamDefault_x3f(lean_object*);
+LEAN_EXPORT uint8_t l_Lean_Expr_ptrEq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getRevArgD(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint64_t l_List_foldl___at_Lean_mkConst___spec__1(uint64_t, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Expr_instantiateLevelParams___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_getAppArgs___closed__1;
 static lean_object* l_Lean_mkNatLit___closed__2;
 uint8_t l_Lean_Level_hasParam(lean_object*);
-LEAN_EXPORT uint8_t l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677_(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__46;
+LEAN_EXPORT uint8_t l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699_(lean_object*, lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_instDecidableLtLiteralInstLTLiteral(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateApp_x21(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mkAppRevRange(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateForall_x21___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__29;
 static lean_object* l_Lean_Expr_fvarId_x21___closed__2;
 uint8_t lean_expr_lt(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__13;
 static lean_object* l_Lean_Expr_sortLevel_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_letName_x21___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_projExpr_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_replaceFVars(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mdataExpr_x21(lean_object*);
+uint32_t lean_uint32_of_nat(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__47;
 LEAN_EXPORT lean_object* l_Lean_Expr_letName_x21___boxed(lean_object*);
 static lean_object* l_Lean_Expr_projExpr_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instCoeExprExprStructEq___boxed(lean_object*);
@@ -247,7 +256,6 @@ static lean_object* l_Lean_Expr_updateForall_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_updateForall_x21(lean_object*, uint8_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRange___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mkDataForBinder___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__23;
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_hash___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_mkAppRev___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_containsFVar___boxed(lean_object*, lean_object*);
@@ -262,19 +270,22 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasExprMVarEx___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprLiteral;
 LEAN_EXPORT lean_object* l_Lean_Expr_hasExprMVar___boxed(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__16;
 static lean_object* l_Lean_Expr_setPPExplicit___closed__4;
+uint16_t lean_uint16_add(uint16_t, uint16_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppNumArgs(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprFVarId(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35;
 LEAN_EXPORT lean_object* l_Lean_Expr_bindingName_x21___boxed(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2___closed__1;
 static lean_object* l_Lean_Expr_updateLambdaE_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppFn___boxed(lean_object*);
 static lean_object* l_Lean_mkOr___closed__1;
 static lean_object* l_Lean_instReprData__1___lambda__5___closed__1;
 uint32_t lean_uint32_add(uint32_t, uint32_t);
 static lean_object* l_Lean_Expr_sortLevel_x21___closed__2;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__7;
 static lean_object* l_Lean_instReprData__1___lambda__4___closed__1;
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
@@ -283,11 +294,13 @@ LEAN_EXPORT lean_object* l_Lean_mkMData(lean_object*, lean_object*);
 static lean_object* l_Lean_mkOr___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_Data_approxDepth___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsCore(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__5___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateFn___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_sortLevel_x21___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkDecIsTrue(lean_object*, lean_object*);
 extern uint64_t l_instInhabitedUInt64;
 LEAN_EXPORT lean_object* l_Lean_mkLet___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__24;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__19;
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
 lean_object* lean_expr_lower_loose_bvars(lean_object*, lean_object*, lean_object*);
@@ -295,6 +308,7 @@ LEAN_EXPORT lean_object* l_Lean_Expr_setOption___at_Lean_Expr_setPPExplicit___sp
 LEAN_EXPORT lean_object* l_Lean_letFunAnnotation_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isMVar___boxed(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_hasExprMVar(uint64_t);
+static uint32_t l_Lean_mkApp___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Literal_type(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_getParamSubstArray(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -304,7 +318,6 @@ static lean_object* l_Lean_Expr_bindingName_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLooseBVarInExplicitDomain___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isConstOf___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* lean_expr_mk_mdata(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instBEqBinderInfo;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__1;
 static lean_object* l_Lean_Expr_updateSort_x21___closed__3;
@@ -314,7 +327,6 @@ static lean_object* l_Lean_mkEM___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLambda_x21(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109_(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__35;
 static lean_object* l_Lean_instHashableFVarId___closed__1;
 static lean_object* l_Lean_Expr_updateForall_x21___closed__2;
 static lean_object* l_Lean_Expr_updateLambdaE_x21___closed__2;
@@ -336,36 +348,38 @@ LEAN_EXPORT lean_object* l_Lean_Expr_setPPUniverses(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* lean_expr_consume_type_annotations(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_constName_x21___closed__3;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__16;
 static lean_object* l_Lean_Literal_type___closed__6;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLevelParam(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instCoeExprExprStructEq(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateConst_x21(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instEmptyCollectionFVarIdMap(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_projExpr_x21(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__2;
+uint16_t lean_uint32_to_uint16(uint32_t);
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelParam___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqLiteral____x40_Lean_Expr___hyg_31____boxed(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__7;
 LEAN_EXPORT lean_object* l_Lean_instFVarIdSetInhabited;
 static lean_object* l_Lean_Expr_sortLevel_x21___closed__1;
+static lean_object* l_Lean_mkApp___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__6___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t lean_expr_has_mvar(lean_object*);
+static lean_object* l_Lean_Expr_mkData___closed__7;
 LEAN_EXPORT lean_object* l_Lean_mkRawNatLit(lean_object*);
 static lean_object* l_Lean_mkNatLit___closed__6;
 uint8_t l_Lean_KVMap_getBool(lean_object*, lean_object*, uint8_t);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__9;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__15;
 static lean_object* l_Lean_Expr_ctorName___closed__5;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__24;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_mkAppRevRangeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_BinderInfo_noConfusion___rarg___closed__1;
 static lean_object* l_Lean_Expr_bindingBody_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_replaceFVar(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_headBeta(lean_object*);
 lean_object* l_panic___at_Lean_Level_normalize___spec__1(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__3;
 static lean_object* l_Lean_isLHSGoal_x3f___closed__1;
 LEAN_EXPORT uint8_t lean_expr_binder_info(lean_object*);
 static lean_object* l_Lean_Expr_mkData___closed__2;
@@ -377,31 +391,30 @@ LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRangeEx___boxed(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 LEAN_EXPORT uint8_t lean_is_out_param(lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__18;
+LEAN_EXPORT lean_object* l_repr___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_abstractRange___boxed(lean_object*, lean_object*, lean_object*);
 uint32_t lean_uint64_to_uint32(uint64_t);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__27;
 lean_object* l_Lean_mkFreshId___rarg(lean_object*, lean_object*);
 uint8_t lean_uint32_dec_lt(uint32_t, uint32_t);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__10;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__32;
 LEAN_EXPORT lean_object* l_Lean_instInhabitedLiteral;
 static lean_object* l_Lean_Expr_instToStringExpr___closed__1;
 LEAN_EXPORT uint64_t l_Lean_Expr_data(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__20;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__28;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_withAppRevAux(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__30;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_getParamSubstArray___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_inaccessible_x3f(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__18;
+uint16_t lean_uint8_to_uint16(uint8_t);
+LEAN_EXPORT lean_object* l_Lean_Expr_mkAppData___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isHeadBetaTarget(lean_object*, uint8_t);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__17;
 LEAN_EXPORT uint8_t l_Lean_Expr_isBinding(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_bindingBody_x21___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateProj_x21(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__4(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Level_instantiateParams___at_Lean_Expr_instantiateLevelParams___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_mkDecIsTrue___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParams(lean_object*, lean_object*, lean_object*);
@@ -413,14 +426,18 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Expr_setAppPPExplicitF
 uint64_t l_Lean_Name_hash(lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__6;
 lean_object* l_Nat_repr(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__10;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32;
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_hasFVar(uint64_t);
 static lean_object* l_Lean_Expr_instBEqExpr___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_hasMVarEx___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkAppRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint32_t l_Lean_Expr_approxDepth(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_ptrEq___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_setAppPPExplicitForExposingMVars(lean_object*);
 static lean_object* l_Lean_Expr_fvarId_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_isType___boxed(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_updateConst_x21___closed__2;
 LEAN_EXPORT lean_object* lean_expr_mk_bvar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instHashableExpr;
@@ -429,7 +446,6 @@ LEAN_EXPORT uint64_t l_Lean_Expr_hash(lean_object*);
 lean_object* lean_format_pretty(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_mvarId_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Literal_type___boxed(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__15;
 static lean_object* l_Lean_Literal_type___closed__1;
 lean_object* lean_expr_abstract_range(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_constLevels_x21___spec__1(lean_object*);
@@ -438,11 +454,13 @@ static lean_object* l_Lean_Expr_bindingDomain_x21___closed__1;
 lean_object* l_panic___at_String_toNat_x21___spec__1(lean_object*);
 static lean_object* l_Lean_mkInaccessible___closed__2;
 LEAN_EXPORT lean_object* l_Lean_isLHSGoal_x3f___boxed(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__4(uint64_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_getRevArg_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_letType_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsCore_visit___at_Lean_Expr_instantiateLevelParams___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_ctorName___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_hasAnyFVar_visit___at_Lean_Expr_containsFVar___spec__1___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__20;
 LEAN_EXPORT lean_object* l_Lean_instReprExpr;
 static lean_object* l_Lean_isLHSGoal_x3f___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_natLit_x3f(lean_object*);
@@ -450,10 +468,8 @@ LEAN_EXPORT lean_object* l_Lean_BinderInfo_noConfusion___rarg___lambda__1(lean_o
 LEAN_EXPORT lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkAppRange(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_isCharLit___closed__3;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__3;
 static lean_object* l_Lean_mkEM___closed__5;
 static lean_object* l_Lean_mkOr___closed__2;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__14;
 static lean_object* l_Lean_Expr_mdataExpr_x21___closed__3;
 static lean_object* l_Lean_Literal_type___closed__4;
 static lean_object* l_Lean_mkDecIsTrue___closed__4;
@@ -461,12 +477,12 @@ LEAN_EXPORT lean_object* lean_expr_mk_lit(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateMData_x21(lean_object*, lean_object*);
 uint64_t lean_uint64_of_nat(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__2(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_hasLevelMVar(uint64_t);
 lean_object* lean_expr_dbg_to_string(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Level_instantiateParams___at_Lean_Expr_instantiateLevelParams___spec__2(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_updateConst_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instInhabitedExpr;
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__6(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mkDataForLet(uint64_t, lean_object*, uint32_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
 static lean_object* l_Lean_mkSimpleThunk___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_mkAppRangeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -474,26 +490,23 @@ static lean_object* l_Lean_instReprData__1___lambda__7___closed__1;
 static lean_object* l_Lean_Expr_updateProj_x21___closed__3;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__4;
 static lean_object* l_Lean_Literal_type___closed__2;
-LEAN_EXPORT lean_object* l_repr___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_mkDataForLet___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__23;
 uint64_t l___private_Lean_Level_0__Lean_hashMVarId____x40_Lean_Level___hyg_484_(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__36;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiate___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Expr_0__Lean_beqLiteral____x40_Lean_Expr___hyg_31_(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isLetFun___boxed(lean_object*);
 static lean_object* l_Lean_mkSimpleThunk___closed__1;
 lean_object* l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__11;
 static lean_object* l_Lean_Expr_appFn_x21___closed__1;
 static lean_object* l_Lean_Expr_updateApp_x21___closed__1;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__12;
 LEAN_EXPORT uint8_t l_Lean_Expr_isConst(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLevelMVar(lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__13;
 LEAN_EXPORT lean_object* lean_expr_mk_let(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__2(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_fvarId_x21___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -511,8 +524,8 @@ LEAN_EXPORT lean_object* l_Lean_mkEM(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isHeadBetaTargetFn___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_consumeMData(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__26;
 uint64_t lean_uint64_land(uint64_t, uint64_t);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__39;
 LEAN_EXPORT lean_object* lean_expr_mk_app(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_constName_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__4(lean_object*, uint64_t, lean_object*, lean_object*);
@@ -523,6 +536,7 @@ LEAN_EXPORT lean_object* l_Lean_mkDecIsFalse(lean_object*, lean_object*);
 uint8_t lean_expr_quick_lt(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isLit(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkFVar(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__36;
 static lean_object* l_Lean_Expr_getAutoParamTactic_x3f___closed__1;
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_letValue_x21(lean_object*);
@@ -533,47 +547,48 @@ LEAN_EXPORT lean_object* l_Lean_mkSimpleThunkType(lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__14;
 LEAN_EXPORT uint64_t l_Lean_ExprStructEq_hash(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isAutoParam(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__3___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_getAutoParamTactic_x3f___closed__2;
 LEAN_EXPORT uint8_t l_Lean_Expr_isLambda(lean_object*);
 static lean_object* l_Lean_instInhabitedLiteral___closed__1;
 static lean_object* l_Lean_Expr_updateSort_x21___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_ctorName(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_replaceFVarId(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT 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*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__12;
 LEAN_EXPORT lean_object* l_Lean_Expr_data___boxed(lean_object*);
 static lean_object* l_Lean_Expr_setPPExplicit___closed__1;
 lean_object* lean_expr_update_proj(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_setPPExplicit___closed__2;
 LEAN_EXPORT uint8_t l_Lean_BinderInfo_isImplicit(uint8_t);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__39;
 LEAN_EXPORT lean_object* l_Lean_Expr_getForallBody___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_setPPExplicit___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Level_instantiateParams___at_Lean_Expr_instantiateLevelParamsArray___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRange(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__26;
 LEAN_EXPORT lean_object* l_Lean_Expr_bvarIdx_x21(lean_object*);
 static lean_object* l_Lean_Expr_updateProj_x21___closed__2;
 LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_mkData___spec__1___boxed__const__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_setAppPPExplicit(lean_object*);
 static lean_object* l_Lean_Expr_ctorName___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateRevRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__6___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_mkNatLit___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378_(uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_bindingInfo_x21___spec__1(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__4___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__6(uint64_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(uint64_t, lean_object*, lean_object*);
+static lean_object* l_Lean_Expr_mkData___closed__6;
 LEAN_EXPORT uint8_t l_Lean_instInhabitedBinderInfo;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__29;
 static lean_object* l_Lean_Expr_updateLambda_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instBEqFVarId;
 uint8_t lean_uint32_dec_eq(uint32_t, uint32_t);
 LEAN_EXPORT lean_object* l_Lean_instInhabitedFVarId;
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__5___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_updateProj_x21___closed__1;
+size_t lean_ptr_addr(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isType(lean_object*);
 lean_object* lean_level_update_imax(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_mkNatLit___closed__3;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__4___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isProj___boxed(lean_object*);
 static lean_object* l_Lean_Expr_updateLambda_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__7(lean_object*, uint64_t, lean_object*, lean_object*);
@@ -581,6 +596,7 @@ LEAN_EXPORT lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*
 LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_mkData___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getOptParamDefault_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateMData___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__43;
 LEAN_EXPORT lean_object* l_Lean_Expr_appFn_x21___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelMVarEx___boxed(lean_object*);
 static lean_object* l_Lean_instHashableBinderInfo___closed__1;
@@ -610,7 +626,6 @@ static lean_object* l_Lean_Expr_constLevels_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_beta(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_String_quote(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__31;
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppNumArgsAux___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint64_t l_Lean_Literal_hash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkLambdaEx___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -619,10 +634,13 @@ LEAN_EXPORT lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*, uint8_t
 LEAN_EXPORT uint64_t l_Lean_instInhabitedData__1;
 static lean_object* l_Lean_instBEqLiteral___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instHashableBinderInfo;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_isInstImplicit___boxed(lean_object*);
 extern lean_object* l_Lean_KVMap_empty;
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__5(lean_object*, uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Expr_instantiateLevelParamsArray___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__31;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2___closed__1;
 LEAN_EXPORT uint8_t l_Lean_BinderInfo_isExplicit(uint8_t);
 static lean_object* l_Lean_Expr_updateMData_x21___closed__3;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__24;
@@ -651,6 +669,7 @@ LEAN_EXPORT lean_object* l_Lean_mkApp7(lean_object*, lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLambda_x21___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* lean_expr_mk_proj(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_mkApp___closed__4;
 static lean_object* l_Lean_Expr_projIdx_x21___closed__1;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__22;
 static lean_object* l_Lean_Expr_appFn_x21___closed__2;
@@ -659,10 +678,11 @@ LEAN_EXPORT lean_object* l_Lean_Expr_Data_hasExprMVar___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprBinderInfo;
 LEAN_EXPORT lean_object* l_Lean_Expr_etaExpanded_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_liftLooseBVars___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__3(uint64_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_bvarIdx_x21___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsCore_visit(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__43;
 static lean_object* l_Lean_Expr_appArg_x21___closed__1;
+uint8_t lean_uint16_dec_lt(uint16_t, uint16_t);
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_hasLevelParam(uint64_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_dbgToString___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isForall___boxed(lean_object*);
@@ -685,7 +705,6 @@ static lean_object* l_Lean_mkSimpleThunkType___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Expr_setAppPPExplicit___spec__1(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_isAuxDecl___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at_Lean_mkConst___spec__1___boxed(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__41;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_Expr_mkAppRevRangeAux(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Expr_instantiateLevelParamsArray___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isFVar(lean_object*);
@@ -694,12 +713,15 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_setPPUniverses___closed__1;
 LEAN_EXPORT lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiate1___boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__37;
 LEAN_EXPORT lean_object* l_Lean_Expr_getRevArgD___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instReprData__1___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateRev___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_isSort___boxed(lean_object*);
 static lean_object* l_Lean_Expr_isOutParam___closed__1;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__27;
+uint8_t lean_uint16_to_uint8(uint16_t);
 static lean_object* l_Lean_Expr_updateLet_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_constName_x3f(lean_object*);
 lean_object* lean_expr_update_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
@@ -707,6 +729,7 @@ static lean_object* l_Lean_Expr_mkData___closed__4;
 LEAN_EXPORT lean_object* lean_expr_mk_sort(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Literal_hash___boxed(lean_object*);
 lean_object* lean_level_update_succ(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__45;
 static lean_object* l_Lean_instReprData__1___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_isBVar___boxed(lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__15;
@@ -723,7 +746,7 @@ LEAN_EXPORT lean_object* l_Lean_instFVarIdHashSetInhabited;
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_362____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkLet(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__34;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__17;
 lean_object* l_Lean_Name_quickCmp___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_instForInFVarIdSetFVarId___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_letType_x21___boxed(lean_object*);
@@ -736,6 +759,7 @@ lean_object* lean_uint64_to_nat(uint64_t);
 LEAN_EXPORT uint64_t lean_expr_hash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_Data_hasFVar___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_mkAppRangeAux(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__30;
@@ -758,7 +782,6 @@ static lean_object* l_Lean_instForInFVarIdSetFVarId___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_instBEqExpr;
 LEAN_EXPORT lean_object* l_Lean_instInhabitedExprStructEq;
 LEAN_EXPORT uint8_t l_List_foldr___at_Lean_mkConst___spec__3(uint8_t, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__37;
 static lean_object* l_Lean_Expr_ctorName___closed__6;
 LEAN_EXPORT lean_object* l_Lean_mkAnd(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109____closed__8;
@@ -767,9 +790,6 @@ LEAN_EXPORT lean_object* l_Lean_Expr_inferImplicit(lean_object*, lean_object*, u
 static lean_object* l_Lean_instBEqFVarId___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_mkAppRevRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateForallE_x21(lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__4;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__27;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__42;
 LEAN_EXPORT uint8_t l_Lean_instBEqData__1(uint64_t, uint64_t);
 lean_object* lean_string_length(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_mkAppN___spec__1(lean_object*, size_t, size_t, lean_object*);
@@ -781,12 +801,12 @@ LEAN_EXPORT lean_object* l_Lean_Expr_mkData___boxed(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_ExprStructEq_instToStringExprStructEq(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_BinderInfo_isExplicit___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getForallBody(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__34;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instDecidableLtLiteralInstLTLiteral___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_mkData___closed__1;
 LEAN_EXPORT lean_object* l_List_foldr___at_Lean_mkConst___spec__2___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hashEx___boxed(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__17;
 static lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109____closed__6;
 static lean_object* l_Lean_mkDecIsFalse___closed__3;
 static lean_object* l___private_Lean_Expr_0__Lean_reprBinderInfo____x40_Lean_Expr___hyg_378____closed__20;
@@ -799,22 +819,18 @@ LEAN_EXPORT lean_object* l_Lean_instInhabitedFVarIdMap(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkNatLit(lean_object*);
 lean_object* l_Lean_Level_instantiateParams(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkStrLit(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Expr_sortLevel_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getArgD(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_getAppFn(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__45;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__40;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__9;
 LEAN_EXPORT lean_object* l_Lean_Expr_etaExpandedStrict_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLambdaE_x21(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLooseBVar___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_ctorName___closed__11;
 static lean_object* l_Lean_mkNot___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Expr_setAppPPExplicit___spec__1___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__1;
 static lean_object* l_Lean_Expr_letValue_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instReprData__1(uint64_t, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_mkLHSGoal___closed__1;
 uint64_t lean_uint64_shift_right(uint64_t, uint64_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLooseBVars___boxed(lean_object*);
@@ -826,30 +842,32 @@ static lean_object* l_Lean_mkLetFunAnnotation___closed__2;
 static lean_object* l_Lean_instBEqBinderInfo___closed__1;
 lean_object* lean_expr_update_app(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_isCharLit___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__5(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_setOption___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsCore_visit___at_Lean_Expr_instantiateLevelParams___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint64_t l_Lean_BinderInfo_hash(uint8_t);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__11;
 static lean_object* l_Lean_Expr_setPPUniverses___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateLevelParamsCore_visit___at_Lean_Expr_instantiateLevelParamsArray___spec__1___boxed(lean_object*, lean_object*, lean_object*);
+uint8_t lean_uint32_dec_le(uint32_t, uint32_t);
 static lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109____closed__3;
 LEAN_EXPORT uint8_t l_Lean_Expr_Data_approxDepth(uint64_t);
 LEAN_EXPORT lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_mdataExpr_x21___closed__2;
 LEAN_EXPORT 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*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__2;
 static lean_object* l_Lean_mkNot___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_isApp___boxed(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__19;
 LEAN_EXPORT lean_object* l_Lean_mkApp8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkBVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__2(lean_object*, uint64_t, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__8;
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__44;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasFVar(lean_object*);
 LEAN_EXPORT lean_object* lean_expr_mk_lambda(lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_consumeMData___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_equal___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_updateLet_x21(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754____boxed(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Literal_lt(lean_object*, lean_object*);
 static lean_object* l_Lean_mkLetFunAnnotation___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_updateForall___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -863,13 +881,14 @@ static lean_object* l_Lean_Expr_updateForallE_x21___closed__2;
 lean_object* lean_expr_instantiate_range(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_uint32_to_nat(uint32_t);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__3(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_fvarId_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_lowerLooseBVars___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instReprData__1___closed__2;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__9;
 LEAN_EXPORT lean_object* l_Lean_Expr_isOutParam___boxed(lean_object*);
 lean_object* lean_nat_to_int(lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__40;
 static lean_object* l_Lean_Expr_getRevArg_x21___closed__2;
 static lean_object* l_Lean_Expr_updateForallE_x21___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instReprData__1___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -886,11 +905,12 @@ static lean_object* l_Lean_Expr_mdataExpr_x21___closed__1;
 uint64_t lean_string_hash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isNatLit___boxed(lean_object*);
 lean_object* l_List_mapTRAux___rarg(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__44;
 LEAN_EXPORT lean_object* l_List_foldr___at_Lean_mkConst___spec__3___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isSort(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_isLet(lean_object*);
-static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__19;
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__2;
 uint8_t lean_string_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_isLet___boxed(lean_object*);
 static lean_object* l_Lean_Expr_bindingInfo_x21___closed__2;
@@ -908,9 +928,9 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Expr_containsFVar(lean_object*, lean_object*);
 static lean_object* l_Lean_mkAnnotation___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Expr_mkData(uint64_t, lean_object*, uint32_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
+static lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__8;
 static lean_object* l___private_Lean_Expr_0__Lean_reprLiteral____x40_Lean_Expr___hyg_109____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_betaRev_go(lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__5(uint64_t, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t lean_expr_has_level_param(lean_object*);
 lean_object* l_Repr_addAppParen(lean_object*, lean_object*);
 static lean_object* _init_l_Lean_instInhabitedLiteral___closed__1() {
@@ -2425,7 +2445,7 @@ static lean_object* _init_l_Lean_Expr_mkData___closed__2() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Lean.Expr");
+x_1 = lean_mk_string("assertion violation: ");
 return x_1;
 }
 }
@@ -2433,26 +2453,44 @@ static lean_object* _init_l_Lean_Expr_mkData___closed__3() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Lean.Expr.mkData");
+x_1 = lean_mk_string("(looseBVarRange ≤ Nat.pow 2 16 - 1)\n  ");
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Expr_mkData___closed__4() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("bound variable index is too big");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Expr_mkData___closed__2;
+x_2 = l_Lean_Expr_mkData___closed__3;
+x_3 = lean_string_append(x_1, x_2);
+return x_3;
 }
 }
 static lean_object* _init_l_Lean_Expr_mkData___closed__5() {
 _start:
 {
+lean_object* x_1; 
+x_1 = lean_mk_string("Lean.Expr");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Expr_mkData___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Lean.Expr.mkData");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Expr_mkData___closed__7() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
-x_2 = l_Lean_Expr_mkData___closed__3;
+x_1 = l_Lean_Expr_mkData___closed__5;
+x_2 = l_Lean_Expr_mkData___closed__6;
 x_3 = lean_unsigned_to_nat(136u);
-x_4 = lean_unsigned_to_nat(44u);
+x_4 = lean_unsigned_to_nat(2u);
 x_5 = l_Lean_Expr_mkData___closed__4;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
@@ -2465,39 +2503,39 @@ uint8_t x_10; uint32_t x_47; uint8_t x_48; lean_object* x_49; uint8_t x_50;
 x_47 = 255;
 x_48 = lean_uint32_dec_lt(x_47, x_3);
 x_49 = l_Lean_Expr_mkData___closed__1;
-x_50 = lean_nat_dec_lt(x_49, x_2);
+x_50 = lean_nat_dec_le(x_2, x_49);
 if (x_48 == 0)
 {
 if (x_50 == 0)
 {
-uint8_t x_51; 
-x_51 = lean_uint32_to_uint8(x_3);
-x_10 = x_51;
-goto block_46;
+lean_object* x_51; lean_object* x_52; 
+x_51 = l_Lean_Expr_mkData___closed__7;
+x_52 = l_panic___at_Lean_Expr_mkData___spec__1(x_51);
+return x_52;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; 
-x_52 = l_Lean_Expr_mkData___closed__5;
-x_53 = l_panic___at_Lean_Expr_mkData___spec__1(x_52);
-return x_53;
+uint8_t x_53; 
+x_53 = lean_uint32_to_uint8(x_3);
+x_10 = x_53;
+goto block_46;
 }
 }
 else
 {
 if (x_50 == 0)
 {
-uint8_t x_54; 
-x_54 = 255;
-x_10 = x_54;
-goto block_46;
+lean_object* x_54; lean_object* x_55; 
+x_54 = l_Lean_Expr_mkData___closed__7;
+x_55 = l_panic___at_Lean_Expr_mkData___spec__1(x_54);
+return x_55;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; 
-x_55 = l_Lean_Expr_mkData___closed__5;
-x_56 = l_panic___at_Lean_Expr_mkData___spec__1(x_55);
-return x_56;
+uint8_t x_56; 
+x_56 = 255;
+x_10 = x_56;
+goto block_46;
 }
 }
 block_46:
@@ -2567,6 +2605,25 @@ lean_dec(x_2);
 return x_18;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Expr_mkAppData___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint64_t x_6; uint64_t x_7; uint64_t x_8; uint8_t x_9; uint16_t x_10; uint64_t x_11; lean_object* x_12; 
+x_6 = lean_unbox_uint64(x_1);
+lean_dec(x_1);
+x_7 = lean_unbox_uint64(x_2);
+lean_dec(x_2);
+x_8 = lean_unbox_uint64(x_3);
+lean_dec(x_3);
+x_9 = lean_unbox(x_4);
+lean_dec(x_4);
+x_10 = lean_unbox(x_5);
+lean_dec(x_5);
+x_11 = (((uint64_t)x_10) << 48) | (((uint64_t)x_9) << 40) | ((((x_6 | x_7) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)x_8));
+x_12 = lean_box_uint64(x_11);
+return x_12;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Expr_mkDataForBinder(uint64_t x_1, lean_object* x_2, uint32_t x_3, uint8_t x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7, uint8_t x_8) {
 _start:
 {
@@ -3032,7 +3089,7 @@ x_1 = lean_box(0);
 return x_1;
 }
 }
-LEAN_EXPORT uint8_t l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677_(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699_(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; 
@@ -3040,11 +3097,11 @@ x_3 = lean_name_eq(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677_(x_1, x_2);
+x_3 = l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699_(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
@@ -3055,7 +3112,7 @@ static lean_object* _init_l_Lean_instBEqFVarId___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1677____boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_beqFVarId____x40_Lean_Expr___hyg_1699____boxed), 2, 0);
 return x_1;
 }
 }
@@ -3067,7 +3124,7 @@ x_1 = l_Lean_instBEqFVarId___closed__1;
 return x_1;
 }
 }
-LEAN_EXPORT uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object* x_1) {
+LEAN_EXPORT uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; 
@@ -3077,11 +3134,11 @@ x_4 = lean_uint64_mix_hash(x_2, x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732____boxed(lean_object* x_1) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754____boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_1);
+x_2 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_1);
 lean_dec(x_1);
 x_3 = lean_box_uint64(x_2);
 return x_3;
@@ -3091,7 +3148,7 @@ static lean_object* _init_l_Lean_instHashableFVarId___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732____boxed), 1, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754____boxed), 1, 0);
 return x_1;
 }
 }
@@ -3234,7 +3291,7 @@ x_1 = l_Lean_instInhabitedExpr___closed__2;
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_repr___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__1(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_repr___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__1(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -3243,7 +3300,7 @@ x_3 = l___private_Lean_Level_0__Lean_reprLevel____x40_Lean_Level___hyg_809_(x_1,
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__2(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -3281,7 +3338,7 @@ lean_inc(x_2);
 x_11 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_11, 0, x_10);
 lean_ctor_set(x_11, 1, x_2);
-x_12 = l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__2(x_4, x_2);
+x_12 = l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__2(x_4, x_2);
 x_13 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -3290,7 +3347,7 @@ return x_13;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__1(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
@@ -3301,19 +3358,19 @@ x_5 = l_Repr_addAppParen(x_3, x_4);
 return x_5;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2___closed__1() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__1___boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__1___boxed), 2, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; uint8_t x_5; uint8_t x_6; uint8_t x_7; 
-x_4 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2___closed__1;
+x_4 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2___closed__1;
 x_5 = (uint8_t)((x_1 << 24) >> 61);
 x_6 = 0;
 x_7 = l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_362_(x_5, x_6);
@@ -3343,7 +3400,7 @@ return x_20;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__3(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__3(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 uint8_t x_4; 
@@ -3353,7 +3410,7 @@ if (x_4 == 0)
 {
 lean_object* x_5; lean_object* x_6; 
 x_5 = lean_box(0);
-x_6 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2(x_1, x_2, x_5);
+x_6 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2(x_1, x_2, x_5);
 return x_6;
 }
 else
@@ -3366,12 +3423,12 @@ x_10 = lean_string_append(x_8, x_9);
 x_11 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_12 = lean_string_append(x_10, x_11);
 x_13 = lean_box(0);
-x_14 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__2(x_1, x_12, x_13);
+x_14 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__2(x_1, x_12, x_13);
 return x_14;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__4(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__4(uint64_t x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 uint8_t x_4; 
@@ -3381,7 +3438,7 @@ if (x_4 == 0)
 {
 lean_object* x_5; lean_object* x_6; 
 x_5 = lean_box(0);
-x_6 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__3(x_1, x_2, x_5);
+x_6 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__3(x_1, x_2, x_5);
 return x_6;
 }
 else
@@ -3394,12 +3451,12 @@ x_10 = lean_string_append(x_8, x_9);
 x_11 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_12 = lean_string_append(x_10, x_11);
 x_13 = lean_box(0);
-x_14 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__3(x_1, x_12, x_13);
+x_14 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__3(x_1, x_12, x_13);
 return x_14;
 }
 }
 }
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@@ -3777,21 +3834,21 @@ x_1 = lean_mk_string("Lean.Expr.lam");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__31() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__31() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
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 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__32() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__31;
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3799,7 +3856,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__33() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__33() {
 _start:
 {
 lean_object* x_1; 
@@ -3807,21 +3864,21 @@ x_1 = lean_mk_string("Lean.Expr.forallE");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__34() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__34() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__33;
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 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__35() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__34;
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3829,7 +3886,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__36() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__36() {
 _start:
 {
 lean_object* x_1; 
@@ -3837,21 +3894,21 @@ x_1 = lean_mk_string("Lean.Expr.letE");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__37() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__37() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__36;
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 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__38() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__38() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__37;
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3859,7 +3916,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__39() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__39() {
 _start:
 {
 lean_object* x_1; 
@@ -3867,21 +3924,21 @@ x_1 = lean_mk_string("Lean.Expr.lit");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__40() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__40() {
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 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__39;
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 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__41() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__41() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__40;
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3889,7 +3946,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__42() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__42() {
 _start:
 {
 lean_object* x_1; 
@@ -3897,21 +3954,21 @@ x_1 = lean_mk_string("Lean.Expr.mdata");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__43() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__43() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__42;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__44() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__44() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3919,7 +3976,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__45() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__45() {
 _start:
 {
 lean_object* x_1; 
@@ -3927,21 +3984,21 @@ x_1 = lean_mk_string("Lean.Expr.proj");
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__46() {
+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__46() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__45;
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 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
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+static lean_object* _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__47() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__46;
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 x_2 = lean_box(1);
 x_3 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -3949,7 +4006,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
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 _start:
 {
 switch (lean_obj_tag(x_1)) {
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 lean_ctor_set(x_8, 0, x_7);
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 x_10 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_10, 0, x_9);
 lean_ctor_set(x_10, 1, x_8);
@@ -3996,7 +4053,7 @@ lean_dec(x_24);
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 x_30 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_30, 0, x_12);
 lean_ctor_set(x_30, 1, x_29);
@@ -4015,7 +4072,7 @@ else
 {
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 x_38 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_38, 0, x_12);
 lean_ctor_set(x_38, 1, x_37);
@@ -4045,7 +4102,7 @@ lean_dec(x_47);
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 x_53 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_53, 0, x_12);
 lean_ctor_set(x_53, 1, x_52);
@@ -4064,7 +4121,7 @@ else
 {
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 lean_ctor_set(x_61, 0, x_12);
 lean_ctor_set(x_61, 1, x_60);
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 lean_ctor_set(x_73, 0, x_72);
 lean_ctor_set(x_73, 1, x_71);
@@ -4122,7 +4179,7 @@ lean_dec(x_87);
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 lean_ctor_set(x_93, 0, x_75);
 lean_ctor_set(x_93, 1, x_92);
@@ -4141,7 +4198,7 @@ else
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 lean_ctor_set(x_101, 0, x_75);
 lean_ctor_set(x_101, 1, x_100);
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 lean_ctor_set(x_116, 0, x_75);
 lean_ctor_set(x_116, 1, x_115);
@@ -4190,7 +4247,7 @@ else
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 x_124 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_124, 0, x_75);
 lean_ctor_set(x_124, 1, x_123);
@@ -4217,7 +4274,7 @@ lean_dec(x_1);
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 lean_ctor_set(x_136, 0, x_135);
 lean_ctor_set(x_136, 1, x_134);
@@ -4248,7 +4305,7 @@ lean_dec(x_150);
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 x_154 = lean_box(0);
-x_155 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_131, x_153, x_154);
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 lean_ctor_set(x_156, 0, x_138);
 lean_ctor_set(x_156, 1, x_155);
@@ -4267,7 +4324,7 @@ else
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 x_164 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_164, 0, x_138);
 lean_ctor_set(x_164, 1, x_163);
@@ -4297,7 +4354,7 @@ lean_dec(x_173);
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 x_177 = lean_box(0);
-x_178 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_131, x_176, x_177);
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 x_179 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_179, 0, x_138);
 lean_ctor_set(x_179, 1, x_178);
@@ -4316,7 +4373,7 @@ else
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-x_186 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_131, x_143, x_185);
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 lean_ctor_set(x_187, 0, x_138);
 lean_ctor_set(x_187, 1, x_186);
@@ -4343,7 +4400,7 @@ lean_dec(x_1);
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-x_198 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__12;
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 x_199 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_199, 0, x_198);
 lean_ctor_set(x_199, 1, x_197);
@@ -4374,7 +4431,7 @@ lean_dec(x_213);
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 x_217 = lean_box(0);
-x_218 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_194, x_216, x_217);
+x_218 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_194, x_216, x_217);
 x_219 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_219, 0, x_201);
 lean_ctor_set(x_219, 1, x_218);
@@ -4393,7 +4450,7 @@ else
 {
 lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; uint8_t x_230; lean_object* x_231; lean_object* x_232; 
 x_225 = lean_box(0);
-x_226 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_194, x_206, x_225);
+x_226 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_194, x_206, x_225);
 x_227 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_227, 0, x_201);
 lean_ctor_set(x_227, 1, x_226);
@@ -4423,7 +4480,7 @@ lean_dec(x_236);
 x_238 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_239 = lean_string_append(x_237, x_238);
 x_240 = lean_box(0);
-x_241 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_194, x_239, x_240);
+x_241 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_194, x_239, x_240);
 x_242 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_242, 0, x_201);
 lean_ctor_set(x_242, 1, x_241);
@@ -4442,7 +4499,7 @@ else
 {
 lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; lean_object* x_254; lean_object* x_255; 
 x_248 = lean_box(0);
-x_249 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_194, x_206, x_248);
+x_249 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_194, x_206, x_248);
 x_250 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_250, 0, x_201);
 lean_ctor_set(x_250, 1, x_249);
@@ -4471,7 +4528,7 @@ lean_dec(x_1);
 x_259 = lean_unsigned_to_nat(1024u);
 x_260 = lean_nat_dec_le(x_259, x_2);
 x_261 = l_Lean_Name_reprPrec(x_256, x_259);
-x_262 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__15;
+x_262 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__15;
 x_263 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_263, 0, x_262);
 lean_ctor_set(x_263, 1, x_261);
@@ -4493,7 +4550,7 @@ if (x_260 == 0)
 if (lean_obj_tag(x_257) == 0)
 {
 lean_object* x_307; lean_object* x_308; lean_object* x_309; 
-x_307 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__26;
+x_307 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__26;
 x_308 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_308, 0, x_265);
 lean_ctor_set(x_308, 1, x_307);
@@ -4512,7 +4569,7 @@ lean_dec(x_313);
 x_315 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_316 = lean_string_append(x_314, x_315);
 x_317 = lean_box(0);
-x_318 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_316, x_317);
+x_318 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_316, x_317);
 x_319 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_319, 0, x_309);
 lean_ctor_set(x_319, 1, x_318);
@@ -4531,7 +4588,7 @@ else
 {
 lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; lean_object* x_331; lean_object* x_332; 
 x_325 = lean_box(0);
-x_326 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_270, x_325);
+x_326 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_270, x_325);
 x_327 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_327, 0, x_309);
 lean_ctor_set(x_327, 1, x_326);
@@ -4560,7 +4617,7 @@ else
 if (lean_obj_tag(x_257) == 0)
 {
 lean_object* x_334; lean_object* x_335; lean_object* x_336; 
-x_334 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__26;
+x_334 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__26;
 x_335 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_335, 0, x_265);
 lean_ctor_set(x_335, 1, x_334);
@@ -4579,7 +4636,7 @@ lean_dec(x_340);
 x_342 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_343 = lean_string_append(x_341, x_342);
 x_344 = lean_box(0);
-x_345 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_343, x_344);
+x_345 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_343, x_344);
 x_346 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_346, 0, x_336);
 lean_ctor_set(x_346, 1, x_345);
@@ -4598,7 +4655,7 @@ else
 {
 lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; uint8_t x_357; lean_object* x_358; lean_object* x_359; 
 x_352 = lean_box(0);
-x_353 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_270, x_352);
+x_353 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_270, x_352);
 x_354 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_354, 0, x_336);
 lean_ctor_set(x_354, 1, x_353);
@@ -4625,17 +4682,17 @@ goto block_306;
 block_306:
 {
 lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; uint8_t x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; 
-x_275 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__18;
-x_276 = l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____spec__2(x_257, x_275);
-x_277 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__22;
+x_275 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__18;
+x_276 = l_Std_Format_joinSep___at___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____spec__2(x_257, x_275);
+x_277 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__22;
 x_278 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_278, 0, x_277);
 lean_ctor_set(x_278, 1, x_276);
-x_279 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__24;
+x_279 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__24;
 x_280 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_280, 0, x_278);
 lean_ctor_set(x_280, 1, x_279);
-x_281 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__21;
+x_281 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__21;
 x_282 = lean_alloc_ctor(3, 2, 0);
 lean_ctor_set(x_282, 0, x_281);
 lean_ctor_set(x_282, 1, x_280);
@@ -4661,7 +4718,7 @@ lean_dec(x_290);
 x_292 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_293 = lean_string_append(x_291, x_292);
 x_294 = lean_box(0);
-x_295 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_293, x_294);
+x_295 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_293, x_294);
 x_296 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_296, 0, x_286);
 lean_ctor_set(x_296, 1, x_295);
@@ -4678,7 +4735,7 @@ else
 {
 lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; 
 x_300 = lean_box(0);
-x_301 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_258, x_270, x_300);
+x_301 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_258, x_270, x_300);
 x_302 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_302, 0, x_286);
 lean_ctor_set(x_302, 1, x_301);
@@ -4704,8 +4761,8 @@ x_363 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
 lean_dec(x_1);
 x_364 = lean_unsigned_to_nat(1024u);
 x_365 = lean_nat_dec_le(x_364, x_2);
-x_366 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_361, x_364);
-x_367 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__29;
+x_366 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_361, x_364);
+x_367 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__29;
 x_368 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_368, 0, x_367);
 lean_ctor_set(x_368, 1, x_366);
@@ -4713,7 +4770,7 @@ x_369 = lean_box(1);
 x_370 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_370, 0, x_368);
 lean_ctor_set(x_370, 1, x_369);
-x_371 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_362, x_364);
+x_371 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_362, x_364);
 x_372 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_372, 0, x_370);
 lean_ctor_set(x_372, 1, x_371);
@@ -4743,7 +4800,7 @@ lean_dec(x_385);
 x_387 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_388 = lean_string_append(x_386, x_387);
 x_389 = lean_box(0);
-x_390 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_363, x_388, x_389);
+x_390 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_363, x_388, x_389);
 x_391 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_391, 0, x_373);
 lean_ctor_set(x_391, 1, x_390);
@@ -4762,7 +4819,7 @@ else
 {
 lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; uint8_t x_402; lean_object* x_403; lean_object* x_404; 
 x_397 = lean_box(0);
-x_398 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_363, x_378, x_397);
+x_398 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_363, x_378, x_397);
 x_399 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_399, 0, x_373);
 lean_ctor_set(x_399, 1, x_398);
@@ -4792,7 +4849,7 @@ lean_dec(x_408);
 x_410 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_411 = lean_string_append(x_409, x_410);
 x_412 = lean_box(0);
-x_413 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_363, x_411, x_412);
+x_413 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_363, x_411, x_412);
 x_414 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_414, 0, x_373);
 lean_ctor_set(x_414, 1, x_413);
@@ -4811,7 +4868,7 @@ else
 {
 lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; uint8_t x_425; lean_object* x_426; lean_object* x_427; 
 x_420 = lean_box(0);
-x_421 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_363, x_378, x_420);
+x_421 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_363, x_378, x_420);
 x_422 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_422, 0, x_373);
 lean_ctor_set(x_422, 1, x_421);
@@ -4842,7 +4899,7 @@ lean_dec(x_1);
 x_432 = lean_unsigned_to_nat(1024u);
 x_433 = lean_nat_dec_le(x_432, x_2);
 x_434 = l_Lean_Name_reprPrec(x_428, x_432);
-x_435 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__32;
+x_435 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32;
 x_436 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_436, 0, x_435);
 lean_ctor_set(x_436, 1, x_434);
@@ -4850,14 +4907,14 @@ x_437 = lean_box(1);
 x_438 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_438, 0, x_436);
 lean_ctor_set(x_438, 1, x_437);
-x_439 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_429, x_432);
+x_439 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_429, x_432);
 x_440 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_440, 0, x_438);
 lean_ctor_set(x_440, 1, x_439);
 x_441 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_441, 0, x_440);
 lean_ctor_set(x_441, 1, x_437);
-x_442 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_430, x_432);
+x_442 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_430, x_432);
 x_443 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_443, 0, x_441);
 lean_ctor_set(x_443, 1, x_442);
@@ -4887,7 +4944,7 @@ lean_dec(x_456);
 x_458 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_459 = lean_string_append(x_457, x_458);
 x_460 = lean_box(0);
-x_461 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_431, x_459, x_460);
+x_461 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_431, x_459, x_460);
 x_462 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_462, 0, x_444);
 lean_ctor_set(x_462, 1, x_461);
@@ -4906,7 +4963,7 @@ else
 {
 lean_object* x_468; lean_object* x_469; lean_object* x_470; lean_object* x_471; lean_object* x_472; uint8_t x_473; lean_object* x_474; lean_object* x_475; 
 x_468 = lean_box(0);
-x_469 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_431, x_449, x_468);
+x_469 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_431, x_449, x_468);
 x_470 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_470, 0, x_444);
 lean_ctor_set(x_470, 1, x_469);
@@ -4936,7 +4993,7 @@ lean_dec(x_479);
 x_481 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_482 = lean_string_append(x_480, x_481);
 x_483 = lean_box(0);
-x_484 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_431, x_482, x_483);
+x_484 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_431, x_482, x_483);
 x_485 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_485, 0, x_444);
 lean_ctor_set(x_485, 1, x_484);
@@ -4955,7 +5012,7 @@ else
 {
 lean_object* x_491; lean_object* x_492; lean_object* x_493; lean_object* x_494; lean_object* x_495; uint8_t x_496; lean_object* x_497; lean_object* x_498; 
 x_491 = lean_box(0);
-x_492 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_431, x_449, x_491);
+x_492 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_431, x_449, x_491);
 x_493 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_493, 0, x_444);
 lean_ctor_set(x_493, 1, x_492);
@@ -4986,7 +5043,7 @@ lean_dec(x_1);
 x_503 = lean_unsigned_to_nat(1024u);
 x_504 = lean_nat_dec_le(x_503, x_2);
 x_505 = l_Lean_Name_reprPrec(x_499, x_503);
-x_506 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__35;
+x_506 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35;
 x_507 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_507, 0, x_506);
 lean_ctor_set(x_507, 1, x_505);
@@ -4994,14 +5051,14 @@ x_508 = lean_box(1);
 x_509 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_509, 0, x_507);
 lean_ctor_set(x_509, 1, x_508);
-x_510 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_500, x_503);
+x_510 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_500, x_503);
 x_511 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_511, 0, x_509);
 lean_ctor_set(x_511, 1, x_510);
 x_512 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_512, 0, x_511);
 lean_ctor_set(x_512, 1, x_508);
-x_513 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_501, x_503);
+x_513 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_501, x_503);
 x_514 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_514, 0, x_512);
 lean_ctor_set(x_514, 1, x_513);
@@ -5031,7 +5088,7 @@ lean_dec(x_527);
 x_529 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_530 = lean_string_append(x_528, x_529);
 x_531 = lean_box(0);
-x_532 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_502, x_530, x_531);
+x_532 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_502, x_530, x_531);
 x_533 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_533, 0, x_515);
 lean_ctor_set(x_533, 1, x_532);
@@ -5050,7 +5107,7 @@ else
 {
 lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; uint8_t x_544; lean_object* x_545; lean_object* x_546; 
 x_539 = lean_box(0);
-x_540 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_502, x_520, x_539);
+x_540 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_502, x_520, x_539);
 x_541 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_541, 0, x_515);
 lean_ctor_set(x_541, 1, x_540);
@@ -5080,7 +5137,7 @@ lean_dec(x_550);
 x_552 = l_Lean_instReprData__1___lambda__2___closed__2;
 x_553 = lean_string_append(x_551, x_552);
 x_554 = lean_box(0);
-x_555 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_502, x_553, x_554);
+x_555 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_502, x_553, x_554);
 x_556 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_556, 0, x_515);
 lean_ctor_set(x_556, 1, x_555);
@@ -5099,7 +5156,7 @@ else
 {
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 lean_ctor_set(x_564, 0, x_515);
 lean_ctor_set(x_564, 1, x_563);
@@ -5132,7 +5189,7 @@ lean_dec(x_1);
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 lean_ctor_set(x_579, 0, x_578);
 lean_ctor_set(x_579, 1, x_577);
@@ -5140,21 +5197,21 @@ x_580 = lean_box(1);
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 lean_ctor_set(x_581, 0, x_579);
 lean_ctor_set(x_581, 1, x_580);
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 x_583 = lean_alloc_ctor(4, 2, 0);
 lean_ctor_set(x_583, 0, x_581);
 lean_ctor_set(x_583, 1, x_582);
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 lean_ctor_set(x_584, 0, x_583);
 lean_ctor_set(x_584, 1, x_580);
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 lean_ctor_set(x_586, 1, x_585);
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 lean_ctor_set(x_589, 0, x_587);
 lean_ctor_set(x_589, 1, x_588);
@@ -5184,7 +5241,7 @@ lean_dec(x_602);
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 lean_ctor_set(x_608, 0, x_590);
 lean_ctor_set(x_608, 1, x_607);
@@ -5203,7 +5260,7 @@ else
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@@ -5233,7 +5290,7 @@ lean_dec(x_625);
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 lean_ctor_set(x_631, 0, x_590);
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@@ -5252,7 +5309,7 @@ else
 {
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 lean_ctor_set(x_639, 0, x_590);
 lean_ctor_set(x_639, 1, x_638);
@@ -5279,7 +5336,7 @@ lean_dec(x_1);
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-x_650 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____closed__41;
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 lean_ctor_set(x_651, 0, x_650);
 lean_ctor_set(x_651, 1, x_649);
@@ -5310,7 +5367,7 @@ lean_dec(x_665);
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 lean_ctor_set(x_671, 0, x_653);
 lean_ctor_set(x_671, 1, x_670);
@@ -5329,7 +5386,7 @@ else
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 lean_ctor_set(x_679, 0, x_653);
 lean_ctor_set(x_679, 1, x_678);
@@ -5359,7 +5416,7 @@ lean_dec(x_688);
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 lean_ctor_set(x_694, 0, x_653);
 lean_ctor_set(x_694, 1, x_693);
@@ -5378,7 +5435,7 @@ else
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 lean_ctor_set(x_702, 0, x_653);
 lean_ctor_set(x_702, 1, x_701);
@@ -5407,7 +5464,7 @@ lean_dec(x_1);
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 lean_ctor_set(x_715, 0, x_714);
 lean_ctor_set(x_715, 1, x_713);
@@ -5415,7 +5472,7 @@ x_716 = lean_box(1);
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 lean_ctor_set(x_717, 0, x_715);
 lean_ctor_set(x_717, 1, x_716);
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 lean_ctor_set(x_719, 0, x_717);
 lean_ctor_set(x_719, 1, x_718);
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 lean_ctor_set(x_738, 1, x_737);
@@ -5464,7 +5521,7 @@ else
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 lean_ctor_set(x_761, 1, x_760);
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 lean_dec(x_1);
-x_5 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__6(x_4, x_2, x_3);
+x_5 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__6(x_4, x_2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 uint64_t x_4; lean_object* x_5; 
 x_4 = lean_unbox_uint64(x_1);
 lean_dec(x_1);
-x_5 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____lambda__7(x_4, x_2, x_3);
+x_5 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____lambda__7(x_4, x_2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223_(x_1, x_2);
+x_3 = l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245_(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
@@ -5762,7 +5819,7 @@ static lean_object* _init_l_Lean_instReprExpr___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2223____boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____boxed), 2, 0);
 return x_1;
 }
 }
@@ -5774,66 +5831,11 @@ x_1 = l_Lean_instReprExpr___closed__1;
 return x_1;
 }
 }
-LEAN_EXPORT uint64_t l_Lean_Expr_data(lean_object* x_1) {
-_start:
-{
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
-uint64_t x_2; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-return x_2;
-}
-case 5:
-{
-uint64_t x_3; 
-x_3 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-return x_3;
-}
-case 6:
-{
-uint64_t x_4; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-return x_4;
-}
-case 7:
-{
-uint64_t x_5; 
-x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-return x_5;
-}
-case 8:
-{
-uint64_t x_6; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-return x_6;
-}
-case 10:
-{
-uint64_t x_7; 
-x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-return x_7;
-}
-case 11:
-{
-uint64_t x_8; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-return x_8;
-}
-default: 
-{
-uint64_t x_9; 
-x_9 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-return x_9;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Expr_data___boxed(lean_object* x_1) {
 _start:
 {
 uint64_t x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_data(x_1);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 lean_dec(x_1);
 x_3 = lean_box_uint64(x_2);
 return x_3;
@@ -6026,65 +6028,11 @@ return x_2;
 LEAN_EXPORT uint64_t l_Lean_Expr_hash(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint64_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hash(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint64_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = l_Lean_Expr_Data_hash(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint64_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = l_Lean_Expr_Data_hash(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint64_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_hash(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint64_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = l_Lean_Expr_Data_hash(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint64_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = l_Lean_Expr_Data_hash(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint64_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = l_Lean_Expr_Data_hash(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint64_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = l_Lean_Expr_Data_hash(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_hash___boxed(lean_object* x_1) {
 _start:
@@ -6115,65 +6063,11 @@ return x_1;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasFVar(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hasFVar(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint8_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = l_Lean_Expr_Data_hasFVar(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint8_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = l_Lean_Expr_Data_hasFVar(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint8_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_hasFVar(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint8_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = l_Lean_Expr_Data_hasFVar(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint8_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = l_Lean_Expr_Data_hasFVar(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint8_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = l_Lean_Expr_Data_hasFVar(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint8_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = l_Lean_Expr_Data_hasFVar(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_hasFVar___boxed(lean_object* x_1) {
 _start:
@@ -6188,65 +6082,11 @@ return x_3;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasExprMVar(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hasExprMVar(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint8_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = l_Lean_Expr_Data_hasExprMVar(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint8_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = l_Lean_Expr_Data_hasExprMVar(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint8_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_hasExprMVar(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint8_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = l_Lean_Expr_Data_hasExprMVar(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint8_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = l_Lean_Expr_Data_hasExprMVar(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint8_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = l_Lean_Expr_Data_hasExprMVar(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint8_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = l_Lean_Expr_Data_hasExprMVar(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_hasExprMVar___boxed(lean_object* x_1) {
 _start:
@@ -6261,65 +6101,11 @@ return x_3;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLevelMVar(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hasLevelMVar(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint8_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = l_Lean_Expr_Data_hasLevelMVar(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint8_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = l_Lean_Expr_Data_hasLevelMVar(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint8_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_hasLevelMVar(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint8_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = l_Lean_Expr_Data_hasLevelMVar(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint8_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = l_Lean_Expr_Data_hasLevelMVar(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint8_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = l_Lean_Expr_Data_hasLevelMVar(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint8_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = l_Lean_Expr_Data_hasLevelMVar(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelMVar___boxed(lean_object* x_1) {
 _start:
@@ -6334,68 +6120,8 @@ return x_3;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasMVar(lean_object* x_1) {
 _start:
 {
-uint64_t x_2; 
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
-uint64_t x_7; 
-x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_2 = x_7;
-goto block_6;
-}
-case 5:
-{
-uint64_t x_8; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_2 = x_8;
-goto block_6;
-}
-case 6:
-{
-uint64_t x_9; 
-x_9 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_2 = x_9;
-goto block_6;
-}
-case 7:
-{
-uint64_t x_10; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_2 = x_10;
-goto block_6;
-}
-case 8:
-{
-uint64_t x_11; 
-x_11 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_2 = x_11;
-goto block_6;
-}
-case 10:
-{
-uint64_t x_12; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_2 = x_12;
-goto block_6;
-}
-case 11:
-{
-uint64_t x_13; 
-x_13 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_2 = x_13;
-goto block_6;
-}
-default: 
-{
-uint64_t x_14; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_2 = x_14;
-goto block_6;
-}
-}
-block_6:
-{
-uint8_t x_3; 
+uint64_t x_2; uint8_t x_3; 
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hasExprMVar(x_2);
 if (x_3 == 0)
 {
@@ -6411,7 +6137,6 @@ return x_5;
 }
 }
 }
-}
 LEAN_EXPORT lean_object* l_Lean_Expr_hasMVar___boxed(lean_object* x_1) {
 _start:
 {
@@ -6425,65 +6150,11 @@ return x_3;
 LEAN_EXPORT uint8_t l_Lean_Expr_hasLevelParam(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_hasLevelParam(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint8_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = l_Lean_Expr_Data_hasLevelParam(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint8_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = l_Lean_Expr_Data_hasLevelParam(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint8_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_hasLevelParam(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint8_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = l_Lean_Expr_Data_hasLevelParam(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint8_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = l_Lean_Expr_Data_hasLevelParam(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint8_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = l_Lean_Expr_Data_hasLevelParam(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint8_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = l_Lean_Expr_Data_hasLevelParam(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_hasLevelParam___boxed(lean_object* x_1) {
 _start:
@@ -6498,73 +6169,12 @@ return x_3;
 LEAN_EXPORT uint32_t l_Lean_Expr_approxDepth(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; uint32_t x_4; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_approxDepth(x_2);
 x_4 = lean_uint8_to_uint32(x_3);
 return x_4;
 }
-case 5:
-{
-uint64_t x_5; uint8_t x_6; uint32_t x_7; 
-x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_6 = l_Lean_Expr_Data_approxDepth(x_5);
-x_7 = lean_uint8_to_uint32(x_6);
-return x_7;
-}
-case 6:
-{
-uint64_t x_8; uint8_t x_9; uint32_t x_10; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_approxDepth(x_8);
-x_10 = lean_uint8_to_uint32(x_9);
-return x_10;
-}
-case 7:
-{
-uint64_t x_11; uint8_t x_12; uint32_t x_13; 
-x_11 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_12 = l_Lean_Expr_Data_approxDepth(x_11);
-x_13 = lean_uint8_to_uint32(x_12);
-return x_13;
-}
-case 8:
-{
-uint64_t x_14; uint8_t x_15; uint32_t x_16; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_15 = l_Lean_Expr_Data_approxDepth(x_14);
-x_16 = lean_uint8_to_uint32(x_15);
-return x_16;
-}
-case 10:
-{
-uint64_t x_17; uint8_t x_18; uint32_t x_19; 
-x_17 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_18 = l_Lean_Expr_Data_approxDepth(x_17);
-x_19 = lean_uint8_to_uint32(x_18);
-return x_19;
-}
-case 11:
-{
-uint64_t x_20; uint8_t x_21; uint32_t x_22; 
-x_20 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_21 = l_Lean_Expr_Data_approxDepth(x_20);
-x_22 = lean_uint8_to_uint32(x_21);
-return x_22;
-}
-default: 
-{
-uint64_t x_23; uint8_t x_24; uint32_t x_25; 
-x_23 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_24 = l_Lean_Expr_Data_approxDepth(x_23);
-x_25 = lean_uint8_to_uint32(x_24);
-return x_25;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_approxDepth___boxed(lean_object* x_1) {
 _start:
@@ -6579,73 +6189,12 @@ return x_3;
 LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRange(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint32_t x_3; lean_object* x_4; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = l_Lean_Expr_Data_looseBVarRange(x_2);
 x_4 = lean_uint32_to_nat(x_3);
 return x_4;
 }
-case 5:
-{
-uint64_t x_5; uint32_t x_6; lean_object* x_7; 
-x_5 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_6 = l_Lean_Expr_Data_looseBVarRange(x_5);
-x_7 = lean_uint32_to_nat(x_6);
-return x_7;
-}
-case 6:
-{
-uint64_t x_8; uint32_t x_9; lean_object* x_10; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = l_Lean_Expr_Data_looseBVarRange(x_8);
-x_10 = lean_uint32_to_nat(x_9);
-return x_10;
-}
-case 7:
-{
-uint64_t x_11; uint32_t x_12; lean_object* x_13; 
-x_11 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_12 = l_Lean_Expr_Data_looseBVarRange(x_11);
-x_13 = lean_uint32_to_nat(x_12);
-return x_13;
-}
-case 8:
-{
-uint64_t x_14; uint32_t x_15; lean_object* x_16; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_15 = l_Lean_Expr_Data_looseBVarRange(x_14);
-x_16 = lean_uint32_to_nat(x_15);
-return x_16;
-}
-case 10:
-{
-uint64_t x_17; uint32_t x_18; lean_object* x_19; 
-x_17 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_18 = l_Lean_Expr_Data_looseBVarRange(x_17);
-x_19 = lean_uint32_to_nat(x_18);
-return x_19;
-}
-case 11:
-{
-uint64_t x_20; uint32_t x_21; lean_object* x_22; 
-x_20 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_21 = l_Lean_Expr_Data_looseBVarRange(x_20);
-x_22 = lean_uint32_to_nat(x_21);
-return x_22;
-}
-default: 
-{
-uint64_t x_23; uint32_t x_24; lean_object* x_25; 
-x_23 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_24 = l_Lean_Expr_Data_looseBVarRange(x_23);
-x_25 = lean_uint32_to_nat(x_24);
-return x_25;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRange___boxed(lean_object* x_1) {
 _start:
@@ -6659,65 +6208,11 @@ return x_2;
 LEAN_EXPORT uint8_t l_Lean_Expr_binderInfo(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint8_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 x_3 = (uint8_t)((x_2 << 24) >> 61);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint8_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_5 = (uint8_t)((x_4 << 24) >> 61);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint8_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_7 = (uint8_t)((x_6 << 24) >> 61);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint8_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_9 = (uint8_t)((x_8 << 24) >> 61);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint8_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-x_11 = (uint8_t)((x_10 << 24) >> 61);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint8_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-x_13 = (uint8_t)((x_12 << 24) >> 61);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint8_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-x_15 = (uint8_t)((x_14 << 24) >> 61);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint8_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-x_17 = (uint8_t)((x_16 << 24) >> 61);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_binderInfo___boxed(lean_object* x_1) {
 _start:
@@ -6840,73 +6335,12 @@ return x_3;
 LEAN_EXPORT uint32_t lean_expr_loose_bvar_range(lean_object* x_1) {
 _start:
 {
-switch (lean_obj_tag(x_1)) {
-case 4:
-{
 uint64_t x_2; uint32_t x_3; 
-x_2 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
+x_2 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
 lean_dec(x_1);
 x_3 = l_Lean_Expr_Data_looseBVarRange(x_2);
 return x_3;
 }
-case 5:
-{
-uint64_t x_4; uint32_t x_5; 
-x_4 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-lean_dec(x_1);
-x_5 = l_Lean_Expr_Data_looseBVarRange(x_4);
-return x_5;
-}
-case 6:
-{
-uint64_t x_6; uint32_t x_7; 
-x_6 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-lean_dec(x_1);
-x_7 = l_Lean_Expr_Data_looseBVarRange(x_6);
-return x_7;
-}
-case 7:
-{
-uint64_t x_8; uint32_t x_9; 
-x_8 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-lean_dec(x_1);
-x_9 = l_Lean_Expr_Data_looseBVarRange(x_8);
-return x_9;
-}
-case 8:
-{
-uint64_t x_10; uint32_t x_11; 
-x_10 = lean_ctor_get_uint64(x_1, sizeof(void*)*4);
-lean_dec(x_1);
-x_11 = l_Lean_Expr_Data_looseBVarRange(x_10);
-return x_11;
-}
-case 10:
-{
-uint64_t x_12; uint32_t x_13; 
-x_12 = lean_ctor_get_uint64(x_1, sizeof(void*)*2);
-lean_dec(x_1);
-x_13 = l_Lean_Expr_Data_looseBVarRange(x_12);
-return x_13;
-}
-case 11:
-{
-uint64_t x_14; uint32_t x_15; 
-x_14 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
-lean_dec(x_1);
-x_15 = l_Lean_Expr_Data_looseBVarRange(x_14);
-return x_15;
-}
-default: 
-{
-uint64_t x_16; uint32_t x_17; 
-x_16 = lean_ctor_get_uint64(x_1, sizeof(void*)*1);
-lean_dec(x_1);
-x_17 = l_Lean_Expr_Data_looseBVarRange(x_16);
-return x_17;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Expr_looseBVarRangeEx___boxed(lean_object* x_1) {
 _start:
@@ -7211,7 +6645,7 @@ _start:
 {
 uint64_t x_2; uint64_t x_3; uint64_t x_4; uint32_t x_5; lean_object* x_6; uint8_t x_7; uint8_t x_8; uint8_t x_9; lean_object* x_10; uint64_t x_11; lean_object* x_12; 
 x_2 = 13;
-x_3 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_1);
+x_3 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_1);
 x_4 = lean_uint64_mix_hash(x_2, x_3);
 x_5 = 0;
 x_6 = lean_unsigned_to_nat(0u);
@@ -7309,384 +6743,206 @@ lean_ctor_set_uint64(x_23, sizeof(void*)*3, x_22);
 return x_23;
 }
 }
+LEAN_EXPORT lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Lean_instInhabitedExpr;
+x_3 = lean_panic_fn(x_2, x_1);
+return x_3;
+}
+}
+static uint32_t _init_l_Lean_mkApp___closed__1() {
+_start:
+{
+lean_object* x_1; uint32_t x_2; 
+x_1 = l_Lean_Expr_mkData___closed__1;
+x_2 = lean_uint32_of_nat(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_mkApp___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("(range ≤ (Nat.pow 2 16 - 1).toUInt32)\n  ");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_mkApp___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Expr_mkData___closed__2;
+x_2 = l_Lean_mkApp___closed__2;
+x_3 = lean_string_append(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_mkApp___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Lean.mkApp");
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_mkApp___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 = l_Lean_Expr_mkData___closed__5;
+x_2 = l_Lean_mkApp___closed__4;
+x_3 = lean_unsigned_to_nat(329u);
+x_4 = lean_unsigned_to_nat(2u);
+x_5 = l_Lean_mkApp___closed__3;
+x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
+return x_6;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_mkApp(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-uint32_t x_3; uint32_t x_4; uint8_t x_5; uint32_t x_6; uint64_t x_7; uint64_t x_8; uint64_t x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint8_t x_16; uint32_t x_17; 
-x_3 = l_Lean_Expr_approxDepth(x_1);
-x_4 = l_Lean_Expr_approxDepth(x_2);
-x_5 = lean_uint32_dec_lt(x_4, x_3);
-x_6 = 1;
-x_7 = l_Lean_Expr_hash(x_1);
-x_8 = l_Lean_Expr_hash(x_2);
-x_9 = lean_uint64_mix_hash(x_7, x_8);
-x_10 = l_Lean_Expr_looseBVarRange(x_1);
-x_11 = l_Lean_Expr_looseBVarRange(x_2);
-x_12 = lean_nat_dec_lt(x_11, x_10);
-x_13 = l_Lean_Expr_hasFVar(x_1);
-x_14 = l_Lean_Expr_hasExprMVar(x_1);
-x_15 = l_Lean_Expr_hasLevelMVar(x_1);
-x_16 = l_Lean_Expr_hasLevelParam(x_1);
-if (x_5 == 0)
+uint64_t x_3; uint64_t x_4; uint8_t x_5; uint16_t x_6; uint8_t x_7; uint16_t x_8; uint8_t x_9; uint16_t x_10; uint16_t x_11; uint32_t x_12; uint32_t x_13; uint8_t x_14; uint64_t x_15; uint16_t x_16; 
+x_3 = lean_ctor_get_uint64(x_1, lean_ctor_num_objs(x_1)*sizeof(void*));
+x_4 = lean_ctor_get_uint64(x_2, lean_ctor_num_objs(x_2)*sizeof(void*));
+x_5 = l_Lean_Expr_Data_approxDepth(x_3);
+x_6 = lean_uint8_to_uint16(x_5);
+x_7 = l_Lean_Expr_Data_approxDepth(x_4);
+x_8 = lean_uint8_to_uint16(x_7);
+x_9 = lean_uint16_dec_lt(x_8, x_6);
+x_10 = 1;
+x_11 = 255;
+x_12 = l_Lean_Expr_Data_looseBVarRange(x_3);
+x_13 = l_Lean_Expr_Data_looseBVarRange(x_4);
+x_14 = lean_uint32_dec_lt(x_13, x_12);
+x_15 = lean_uint64_mix_hash(x_3, x_4);
+if (x_9 == 0)
 {
-x_17 = x_4;
-goto block_135;
+x_16 = x_8;
+goto block_49;
 }
 else
 {
-x_17 = x_3;
-goto block_135;
+x_16 = x_6;
+goto block_49;
 }
-block_135:
+block_49:
 {
-uint32_t x_18; uint64_t x_19; uint64_t x_20; lean_object* x_21; lean_object* x_78; 
-x_18 = lean_uint32_add(x_17, x_6);
-x_19 = lean_uint32_to_uint64(x_18);
-x_20 = lean_uint64_mix_hash(x_19, x_9);
-if (x_12 == 0)
+uint16_t x_17; uint8_t x_18; 
+x_17 = lean_uint16_add(x_16, x_10);
+x_18 = lean_uint16_dec_lt(x_11, x_17);
+if (x_18 == 0)
 {
-lean_dec(x_10);
-if (x_13 == 0)
-{
-x_21 = x_11;
-goto block_77;
-}
-else
-{
-x_78 = x_11;
-goto block_134;
-}
-}
-else
-{
-lean_dec(x_11);
-if (x_13 == 0)
-{
-x_21 = x_10;
-goto block_77;
-}
-else
-{
-x_78 = x_10;
-goto block_134;
-}
-}
-block_77:
-{
-uint8_t x_22; 
-x_22 = l_Lean_Expr_hasFVar(x_2);
+uint8_t x_19; 
+x_19 = lean_uint16_to_uint8(x_17);
 if (x_14 == 0)
 {
-uint8_t x_23; 
-x_23 = l_Lean_Expr_hasExprMVar(x_2);
-if (x_15 == 0)
+uint32_t x_20; uint8_t x_21; 
+x_20 = l_Lean_mkApp___closed__1;
+x_21 = lean_uint32_dec_le(x_13, x_20);
+if (x_21 == 0)
 {
-uint8_t x_24; 
-x_24 = l_Lean_Expr_hasLevelMVar(x_2);
-if (x_16 == 0)
+lean_object* x_22; lean_object* x_23; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = l_Lean_mkApp___closed__5;
+x_23 = l_panic___at_Lean_mkApp___spec__1(x_22);
+return x_23;
+}
+else
 {
-uint8_t x_25; uint8_t x_26; uint8_t x_27; lean_object* x_28; uint64_t x_29; lean_object* x_30; 
-x_25 = l_Lean_Expr_hasLevelParam(x_2);
-x_26 = 0;
-x_27 = 0;
-x_28 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_23, x_24, x_25, x_26, x_27);
-lean_dec(x_21);
-x_29 = lean_unbox_uint64(x_28);
-lean_dec(x_28);
-x_30 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_30, 0, x_1);
-lean_ctor_set(x_30, 1, x_2);
-lean_ctor_set_uint64(x_30, sizeof(void*)*2, x_29);
+uint16_t x_24; uint64_t x_25; lean_object* x_26; 
+x_24 = lean_uint32_to_uint16(x_13);
+x_25 = (((uint64_t)x_24) << 48) | (((uint64_t)x_19) << 40) | ((((x_3 | x_4) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)x_15));
+x_26 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_26, 0, x_1);
+lean_ctor_set(x_26, 1, x_2);
+lean_ctor_set_uint64(x_26, sizeof(void*)*2, x_25);
+return x_26;
+}
+}
+else
+{
+uint32_t x_27; uint8_t x_28; 
+x_27 = l_Lean_mkApp___closed__1;
+x_28 = lean_uint32_dec_le(x_12, x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; lean_object* x_30; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_29 = l_Lean_mkApp___closed__5;
+x_30 = l_panic___at_Lean_mkApp___spec__1(x_29);
 return x_30;
 }
 else
 {
-uint8_t x_31; uint8_t x_32; uint8_t x_33; lean_object* x_34; uint64_t x_35; lean_object* x_36; 
-x_31 = 1;
-x_32 = 0;
-x_33 = 0;
-x_34 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_23, x_24, x_31, x_32, x_33);
-lean_dec(x_21);
-x_35 = lean_unbox_uint64(x_34);
-lean_dec(x_34);
-x_36 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_36, 0, x_1);
-lean_ctor_set(x_36, 1, x_2);
-lean_ctor_set_uint64(x_36, sizeof(void*)*2, x_35);
-return x_36;
-}
-}
-else
-{
-if (x_16 == 0)
-{
-uint8_t x_37; uint8_t x_38; uint8_t x_39; uint8_t x_40; lean_object* x_41; uint64_t x_42; lean_object* x_43; 
-x_37 = l_Lean_Expr_hasLevelParam(x_2);
-x_38 = 1;
-x_39 = 0;
-x_40 = 0;
-x_41 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_23, x_38, x_37, x_39, x_40);
-lean_dec(x_21);
-x_42 = lean_unbox_uint64(x_41);
-lean_dec(x_41);
-x_43 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_43, 0, x_1);
-lean_ctor_set(x_43, 1, x_2);
-lean_ctor_set_uint64(x_43, sizeof(void*)*2, x_42);
-return x_43;
-}
-else
-{
-uint8_t x_44; uint8_t x_45; uint8_t x_46; lean_object* x_47; uint64_t x_48; lean_object* x_49; 
-x_44 = 1;
-x_45 = 0;
-x_46 = 0;
-x_47 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_23, x_44, x_44, x_45, x_46);
-lean_dec(x_21);
-x_48 = lean_unbox_uint64(x_47);
-lean_dec(x_47);
-x_49 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_49, 0, x_1);
-lean_ctor_set(x_49, 1, x_2);
-lean_ctor_set_uint64(x_49, sizeof(void*)*2, x_48);
-return x_49;
+uint16_t x_31; uint64_t x_32; lean_object* x_33; 
+x_31 = lean_uint32_to_uint16(x_12);
+x_32 = (((uint64_t)x_31) << 48) | (((uint64_t)x_19) << 40) | ((((x_3 | x_4) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)x_15));
+x_33 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_33, 0, x_1);
+lean_ctor_set(x_33, 1, x_2);
+lean_ctor_set_uint64(x_33, sizeof(void*)*2, x_32);
+return x_33;
 }
 }
 }
 else
 {
-if (x_15 == 0)
-{
-uint8_t x_50; 
-x_50 = l_Lean_Expr_hasLevelMVar(x_2);
-if (x_16 == 0)
-{
-uint8_t x_51; uint8_t x_52; uint8_t x_53; uint8_t x_54; lean_object* x_55; uint64_t x_56; lean_object* x_57; 
-x_51 = l_Lean_Expr_hasLevelParam(x_2);
-x_52 = 1;
-x_53 = 0;
-x_54 = 0;
-x_55 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_52, x_50, x_51, x_53, x_54);
-lean_dec(x_21);
-x_56 = lean_unbox_uint64(x_55);
-lean_dec(x_55);
-x_57 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_57, 0, x_1);
-lean_ctor_set(x_57, 1, x_2);
-lean_ctor_set_uint64(x_57, sizeof(void*)*2, x_56);
-return x_57;
-}
-else
-{
-uint8_t x_58; uint8_t x_59; uint8_t x_60; lean_object* x_61; uint64_t x_62; lean_object* x_63; 
-x_58 = 1;
-x_59 = 0;
-x_60 = 0;
-x_61 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_58, x_50, x_58, x_59, x_60);
-lean_dec(x_21);
-x_62 = lean_unbox_uint64(x_61);
-lean_dec(x_61);
-x_63 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_63, 0, x_1);
-lean_ctor_set(x_63, 1, x_2);
-lean_ctor_set_uint64(x_63, sizeof(void*)*2, x_62);
-return x_63;
-}
-}
-else
-{
-if (x_16 == 0)
-{
-uint8_t x_64; uint8_t x_65; uint8_t x_66; uint8_t x_67; lean_object* x_68; uint64_t x_69; lean_object* x_70; 
-x_64 = l_Lean_Expr_hasLevelParam(x_2);
-x_65 = 1;
-x_66 = 0;
-x_67 = 0;
-x_68 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_65, x_65, x_64, x_66, x_67);
-lean_dec(x_21);
-x_69 = lean_unbox_uint64(x_68);
-lean_dec(x_68);
-x_70 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_70, 0, x_1);
-lean_ctor_set(x_70, 1, x_2);
-lean_ctor_set_uint64(x_70, sizeof(void*)*2, x_69);
-return x_70;
-}
-else
-{
-uint8_t x_71; uint8_t x_72; uint8_t x_73; lean_object* x_74; uint64_t x_75; lean_object* x_76; 
-x_71 = 1;
-x_72 = 0;
-x_73 = 0;
-x_74 = l_Lean_Expr_mkData(x_20, x_21, x_18, x_22, x_71, x_71, x_71, x_72, x_73);
-lean_dec(x_21);
-x_75 = lean_unbox_uint64(x_74);
-lean_dec(x_74);
-x_76 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_76, 0, x_1);
-lean_ctor_set(x_76, 1, x_2);
-lean_ctor_set_uint64(x_76, sizeof(void*)*2, x_75);
-return x_76;
-}
-}
-}
-}
-block_134:
-{
+uint8_t x_34; 
+x_34 = 255;
 if (x_14 == 0)
 {
-uint8_t x_79; 
-x_79 = l_Lean_Expr_hasExprMVar(x_2);
-if (x_15 == 0)
+uint32_t x_35; uint8_t x_36; 
+x_35 = l_Lean_mkApp___closed__1;
+x_36 = lean_uint32_dec_le(x_13, x_35);
+if (x_36 == 0)
 {
-uint8_t x_80; 
-x_80 = l_Lean_Expr_hasLevelMVar(x_2);
-if (x_16 == 0)
-{
-uint8_t x_81; uint8_t x_82; uint8_t x_83; uint8_t x_84; lean_object* x_85; uint64_t x_86; lean_object* x_87; 
-x_81 = l_Lean_Expr_hasLevelParam(x_2);
-x_82 = 1;
-x_83 = 0;
-x_84 = 0;
-x_85 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_82, x_79, x_80, x_81, x_83, x_84);
-lean_dec(x_78);
-x_86 = lean_unbox_uint64(x_85);
-lean_dec(x_85);
-x_87 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_87, 0, x_1);
-lean_ctor_set(x_87, 1, x_2);
-lean_ctor_set_uint64(x_87, sizeof(void*)*2, x_86);
-return x_87;
+lean_object* x_37; lean_object* x_38; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_37 = l_Lean_mkApp___closed__5;
+x_38 = l_panic___at_Lean_mkApp___spec__1(x_37);
+return x_38;
 }
 else
 {
-uint8_t x_88; uint8_t x_89; uint8_t x_90; lean_object* x_91; uint64_t x_92; lean_object* x_93; 
-x_88 = 1;
-x_89 = 0;
-x_90 = 0;
-x_91 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_88, x_79, x_80, x_88, x_89, x_90);
-lean_dec(x_78);
-x_92 = lean_unbox_uint64(x_91);
-lean_dec(x_91);
-x_93 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_93, 0, x_1);
-lean_ctor_set(x_93, 1, x_2);
-lean_ctor_set_uint64(x_93, sizeof(void*)*2, x_92);
-return x_93;
+uint16_t x_39; uint64_t x_40; lean_object* x_41; 
+x_39 = lean_uint32_to_uint16(x_13);
+x_40 = (((uint64_t)x_39) << 48) | (((uint64_t)x_34) << 40) | ((((x_3 | x_4) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)x_15));
+x_41 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_41, 0, x_1);
+lean_ctor_set(x_41, 1, x_2);
+lean_ctor_set_uint64(x_41, sizeof(void*)*2, x_40);
+return x_41;
 }
 }
 else
 {
-if (x_16 == 0)
+uint32_t x_42; uint8_t x_43; 
+x_42 = l_Lean_mkApp___closed__1;
+x_43 = lean_uint32_dec_le(x_12, x_42);
+if (x_43 == 0)
 {
-uint8_t x_94; uint8_t x_95; uint8_t x_96; uint8_t x_97; lean_object* x_98; uint64_t x_99; lean_object* x_100; 
-x_94 = l_Lean_Expr_hasLevelParam(x_2);
-x_95 = 1;
-x_96 = 0;
-x_97 = 0;
-x_98 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_95, x_79, x_95, x_94, x_96, x_97);
-lean_dec(x_78);
-x_99 = lean_unbox_uint64(x_98);
-lean_dec(x_98);
-x_100 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_100, 0, x_1);
-lean_ctor_set(x_100, 1, x_2);
-lean_ctor_set_uint64(x_100, sizeof(void*)*2, x_99);
-return x_100;
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_44 = l_Lean_mkApp___closed__5;
+x_45 = l_panic___at_Lean_mkApp___spec__1(x_44);
+return x_45;
 }
 else
 {
-uint8_t x_101; uint8_t x_102; uint8_t x_103; lean_object* x_104; uint64_t x_105; lean_object* x_106; 
-x_101 = 1;
-x_102 = 0;
-x_103 = 0;
-x_104 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_101, x_79, x_101, x_101, x_102, x_103);
-lean_dec(x_78);
-x_105 = lean_unbox_uint64(x_104);
-lean_dec(x_104);
-x_106 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_106, 0, x_1);
-lean_ctor_set(x_106, 1, x_2);
-lean_ctor_set_uint64(x_106, sizeof(void*)*2, x_105);
-return x_106;
-}
-}
-}
-else
-{
-if (x_15 == 0)
-{
-uint8_t x_107; 
-x_107 = l_Lean_Expr_hasLevelMVar(x_2);
-if (x_16 == 0)
-{
-uint8_t x_108; uint8_t x_109; uint8_t x_110; uint8_t x_111; lean_object* x_112; uint64_t x_113; lean_object* x_114; 
-x_108 = l_Lean_Expr_hasLevelParam(x_2);
-x_109 = 1;
-x_110 = 0;
-x_111 = 0;
-x_112 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_109, x_109, x_107, x_108, x_110, x_111);
-lean_dec(x_78);
-x_113 = lean_unbox_uint64(x_112);
-lean_dec(x_112);
-x_114 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_114, 0, x_1);
-lean_ctor_set(x_114, 1, x_2);
-lean_ctor_set_uint64(x_114, sizeof(void*)*2, x_113);
-return x_114;
-}
-else
-{
-uint8_t x_115; uint8_t x_116; uint8_t x_117; lean_object* x_118; uint64_t x_119; lean_object* x_120; 
-x_115 = 1;
-x_116 = 0;
-x_117 = 0;
-x_118 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_115, x_115, x_107, x_115, x_116, x_117);
-lean_dec(x_78);
-x_119 = lean_unbox_uint64(x_118);
-lean_dec(x_118);
-x_120 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_120, 0, x_1);
-lean_ctor_set(x_120, 1, x_2);
-lean_ctor_set_uint64(x_120, sizeof(void*)*2, x_119);
-return x_120;
-}
-}
-else
-{
-if (x_16 == 0)
-{
-uint8_t x_121; uint8_t x_122; uint8_t x_123; uint8_t x_124; lean_object* x_125; uint64_t x_126; lean_object* x_127; 
-x_121 = l_Lean_Expr_hasLevelParam(x_2);
-x_122 = 1;
-x_123 = 0;
-x_124 = 0;
-x_125 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_122, x_122, x_122, x_121, x_123, x_124);
-lean_dec(x_78);
-x_126 = lean_unbox_uint64(x_125);
-lean_dec(x_125);
-x_127 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_127, 0, x_1);
-lean_ctor_set(x_127, 1, x_2);
-lean_ctor_set_uint64(x_127, sizeof(void*)*2, x_126);
-return x_127;
-}
-else
-{
-uint8_t x_128; uint8_t x_129; uint8_t x_130; lean_object* x_131; uint64_t x_132; lean_object* x_133; 
-x_128 = 1;
-x_129 = 0;
-x_130 = 0;
-x_131 = l_Lean_Expr_mkData(x_20, x_78, x_18, x_128, x_128, x_128, x_128, x_129, x_130);
-lean_dec(x_78);
-x_132 = lean_unbox_uint64(x_131);
-lean_dec(x_131);
-x_133 = lean_alloc_ctor(5, 2, 8);
-lean_ctor_set(x_133, 0, x_1);
-lean_ctor_set(x_133, 1, x_2);
-lean_ctor_set_uint64(x_133, sizeof(void*)*2, x_132);
-return x_133;
-}
+uint16_t x_46; uint64_t x_47; lean_object* x_48; 
+x_46 = lean_uint32_to_uint16(x_12);
+x_47 = (((uint64_t)x_46) << 48) | (((uint64_t)x_34) << 40) | ((((x_3 | x_4) << 28) >> 60) << 32) | ((uint64_t)((uint32_t)x_15));
+x_48 = lean_alloc_ctor(5, 2, 8);
+lean_ctor_set(x_48, 0, x_1);
+lean_ctor_set(x_48, 1, x_2);
+lean_ctor_set_uint64(x_48, sizeof(void*)*2, x_47);
+return x_48;
 }
 }
 }
@@ -9638,6 +8894,27 @@ x_1 = l_Lean_Expr_instBEqExpr___closed__1;
 return x_1;
 }
 }
+LEAN_EXPORT uint8_t l_Lean_Expr_ptrEq(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+size_t x_3; size_t x_4; uint8_t x_5; 
+x_3 = lean_ptr_addr(x_1);
+x_4 = lean_ptr_addr(x_2);
+x_5 = lean_usize_dec_eq(x_3, x_4);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_ptrEq___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_Lean_Expr_ptrEq(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Expr_equal___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -10458,15 +9735,6 @@ lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_instInhabitedExpr;
-x_3 = lean_panic_fn(x_2, x_1);
-return x_3;
-}
-}
 static lean_object* _init_l_Lean_Expr_getRevArg_x21___closed__1() {
 _start:
 {
@@ -10487,9 +9755,9 @@ static lean_object* _init_l_Lean_Expr_getRevArg_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_getRevArg_x21___closed__1;
-x_3 = lean_unsigned_to_nat(566u);
+x_3 = lean_unsigned_to_nat(573u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_Expr_getRevArg_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -10503,16 +9771,12 @@ if (lean_obj_tag(x_1) == 5)
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
 x_3 = lean_ctor_get(x_1, 0);
-lean_inc(x_3);
 x_4 = lean_ctor_get(x_1, 1);
-lean_inc(x_4);
-lean_dec(x_1);
 x_5 = lean_unsigned_to_nat(0u);
 x_6 = lean_nat_dec_eq(x_2, x_5);
 if (x_6 == 0)
 {
 lean_object* x_7; lean_object* x_8; 
-lean_dec(x_4);
 x_7 = lean_unsigned_to_nat(1u);
 x_8 = lean_nat_sub(x_2, x_7);
 lean_dec(x_2);
@@ -10522,8 +9786,8 @@ goto _start;
 }
 else
 {
-lean_dec(x_3);
 lean_dec(x_2);
+lean_inc(x_4);
 return x_4;
 }
 }
@@ -10531,13 +9795,21 @@ else
 {
 lean_object* x_10; lean_object* x_11; 
 lean_dec(x_2);
-lean_dec(x_1);
 x_10 = l_Lean_Expr_getRevArg_x21___closed__3;
-x_11 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_10);
+x_11 = l_panic___at_Lean_mkApp___spec__1(x_10);
 return x_11;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Expr_getRevArg_x21___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Expr_getRevArg_x21(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Expr_getArg_x21(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -10557,6 +9829,7 @@ lean_object* x_4;
 x_4 = l_Lean_Expr_getArg_x21(x_1, x_2, x_3);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
 return x_4;
 }
 }
@@ -10708,9 +9981,9 @@ static lean_object* _init_l_Lean_Expr_appFn_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_appFn_x21___closed__1;
-x_3 = lean_unsigned_to_nat(586u);
+x_3 = lean_unsigned_to_nat(593u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_Expr_appFn_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -10731,7 +10004,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_appFn_x21___closed__3;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -10757,9 +10030,9 @@ static lean_object* _init_l_Lean_Expr_appArg_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_appArg_x21___closed__1;
-x_3 = lean_unsigned_to_nat(590u);
+x_3 = lean_unsigned_to_nat(597u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_Expr_appFn_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -10780,7 +10053,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_appArg_x21___closed__2;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -10814,9 +10087,9 @@ static lean_object* _init_l_Lean_Expr_sortLevel_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_sortLevel_x21___closed__1;
-x_3 = lean_unsigned_to_nat(594u);
+x_3 = lean_unsigned_to_nat(601u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_Expr_sortLevel_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -10880,9 +10153,9 @@ static lean_object* _init_l_Lean_Expr_litValue_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_litValue_x21___closed__1;
-x_3 = lean_unsigned_to_nat(598u);
+x_3 = lean_unsigned_to_nat(605u);
 x_4 = lean_unsigned_to_nat(16u);
 x_5 = l_Lean_Expr_litValue_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11107,9 +10380,9 @@ static lean_object* _init_l_Lean_Expr_constName_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_constName_x21___closed__1;
-x_3 = lean_unsigned_to_nat(617u);
+x_3 = lean_unsigned_to_nat(624u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_constName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11194,9 +10467,9 @@ static lean_object* _init_l_Lean_Expr_constLevels_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_constLevels_x21___closed__1;
-x_3 = lean_unsigned_to_nat(625u);
+x_3 = lean_unsigned_to_nat(632u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_constName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11244,9 +10517,9 @@ static lean_object* _init_l_Lean_Expr_bvarIdx_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_bvarIdx_x21___closed__1;
-x_3 = lean_unsigned_to_nat(629u);
+x_3 = lean_unsigned_to_nat(636u);
 x_4 = lean_unsigned_to_nat(18u);
 x_5 = l_Lean_Expr_bvarIdx_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11310,9 +10583,9 @@ static lean_object* _init_l_Lean_Expr_fvarId_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_fvarId_x21___closed__1;
-x_3 = lean_unsigned_to_nat(633u);
+x_3 = lean_unsigned_to_nat(640u);
 x_4 = lean_unsigned_to_nat(16u);
 x_5 = l_Lean_Expr_fvarId_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11360,9 +10633,9 @@ static lean_object* _init_l_Lean_Expr_mvarId_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_mvarId_x21___closed__1;
-x_3 = lean_unsigned_to_nat(637u);
+x_3 = lean_unsigned_to_nat(644u);
 x_4 = lean_unsigned_to_nat(16u);
 x_5 = l_Lean_Expr_mvarId_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11417,9 +10690,9 @@ static lean_object* _init_l_Lean_Expr_bindingName_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_bindingName_x21___closed__1;
-x_3 = lean_unsigned_to_nat(642u);
+x_3 = lean_unsigned_to_nat(649u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_bindingName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11475,9 +10748,9 @@ static lean_object* _init_l_Lean_Expr_bindingDomain_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_bindingDomain_x21___closed__1;
-x_3 = lean_unsigned_to_nat(647u);
+x_3 = lean_unsigned_to_nat(654u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_bindingName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11506,7 +10779,7 @@ default:
 {
 lean_object* x_4; lean_object* x_5; 
 x_4 = l_Lean_Expr_bindingDomain_x21___closed__2;
-x_5 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_4);
+x_5 = l_panic___at_Lean_mkApp___spec__1(x_4);
 return x_5;
 }
 }
@@ -11533,9 +10806,9 @@ static lean_object* _init_l_Lean_Expr_bindingBody_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_bindingBody_x21___closed__1;
-x_3 = lean_unsigned_to_nat(652u);
+x_3 = lean_unsigned_to_nat(659u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_bindingName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11564,7 +10837,7 @@ default:
 {
 lean_object* x_4; lean_object* x_5; 
 x_4 = l_Lean_Expr_bindingBody_x21___closed__2;
-x_5 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_4);
+x_5 = l_panic___at_Lean_mkApp___spec__1(x_4);
 return x_5;
 }
 }
@@ -11601,9 +10874,9 @@ static lean_object* _init_l_Lean_Expr_bindingInfo_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_bindingInfo_x21___closed__1;
-x_3 = lean_unsigned_to_nat(657u);
+x_3 = lean_unsigned_to_nat(664u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_bindingName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11663,9 +10936,9 @@ static lean_object* _init_l_Lean_Expr_letName_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_letName_x21___closed__1;
-x_3 = lean_unsigned_to_nat(661u);
+x_3 = lean_unsigned_to_nat(668u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_Expr_letName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11712,9 +10985,9 @@ static lean_object* _init_l_Lean_Expr_letType_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_letType_x21___closed__1;
-x_3 = lean_unsigned_to_nat(665u);
+x_3 = lean_unsigned_to_nat(672u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_letName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11735,7 +11008,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_letType_x21___closed__2;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -11761,9 +11034,9 @@ static lean_object* _init_l_Lean_Expr_letValue_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_letValue_x21___closed__1;
-x_3 = lean_unsigned_to_nat(669u);
+x_3 = lean_unsigned_to_nat(676u);
 x_4 = lean_unsigned_to_nat(21u);
 x_5 = l_Lean_Expr_letName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11784,7 +11057,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_letValue_x21___closed__2;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -11810,9 +11083,9 @@ static lean_object* _init_l_Lean_Expr_letBody_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_letBody_x21___closed__1;
-x_3 = lean_unsigned_to_nat(673u);
+x_3 = lean_unsigned_to_nat(680u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_letName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11833,7 +11106,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_letBody_x21___closed__2;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -11893,9 +11166,9 @@ static lean_object* _init_l_Lean_Expr_mdataExpr_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_mdataExpr_x21___closed__1;
-x_3 = lean_unsigned_to_nat(681u);
+x_3 = lean_unsigned_to_nat(688u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_mdataExpr_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11916,7 +11189,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_mdataExpr_x21___closed__3;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -11950,9 +11223,9 @@ static lean_object* _init_l_Lean_Expr_projExpr_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_projExpr_x21___closed__1;
-x_3 = lean_unsigned_to_nat(685u);
+x_3 = lean_unsigned_to_nat(692u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_projExpr_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11973,7 +11246,7 @@ else
 {
 lean_object* x_3; lean_object* x_4; 
 x_3 = l_Lean_Expr_projExpr_x21___closed__3;
-x_4 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_3);
+x_4 = l_panic___at_Lean_mkApp___spec__1(x_3);
 return x_4;
 }
 }
@@ -11999,9 +11272,9 @@ static lean_object* _init_l_Lean_Expr_projIdx_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_projIdx_x21___closed__1;
-x_3 = lean_unsigned_to_nat(689u);
+x_3 = lean_unsigned_to_nat(696u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_projExpr_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -13837,9 +13110,9 @@ static lean_object* _init_l_Lean_Expr_updateApp_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateApp_x21___closed__1;
-x_3 = lean_unsigned_to_nat(992u);
+x_3 = lean_unsigned_to_nat(999u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_appFn_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -13883,7 +13156,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_11 = l_Lean_Expr_updateApp_x21___closed__2;
-x_12 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_11);
+x_12 = l_panic___at_Lean_mkApp___spec__1(x_11);
 return x_12;
 }
 }
@@ -13908,9 +13181,9 @@ static lean_object* _init_l_Lean_Expr_updateConst_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateConst_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1001u);
+x_3 = lean_unsigned_to_nat(1008u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_constName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -13953,7 +13226,7 @@ lean_object* x_10; lean_object* x_11;
 lean_dec(x_2);
 lean_dec(x_1);
 x_10 = l_Lean_Expr_updateConst_x21___closed__2;
-x_11 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_10);
+x_11 = l_panic___at_Lean_mkApp___spec__1(x_10);
 return x_11;
 }
 }
@@ -13986,9 +13259,9 @@ static lean_object* _init_l_Lean_Expr_updateSort_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateSort_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1010u);
+x_3 = lean_unsigned_to_nat(1017u);
 x_4 = lean_unsigned_to_nat(16u);
 x_5 = l_Lean_Expr_updateSort_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14028,7 +13301,7 @@ lean_object* x_9; lean_object* x_10;
 lean_dec(x_2);
 lean_dec(x_1);
 x_9 = l_Lean_Expr_updateSort_x21___closed__3;
-x_10 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_9);
+x_10 = l_panic___at_Lean_mkApp___spec__1(x_9);
 return x_10;
 }
 }
@@ -14069,9 +13342,9 @@ static lean_object* _init_l_Lean_Expr_updateMData_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateMData_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1027u);
+x_3 = lean_unsigned_to_nat(1034u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_updateMData_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14114,7 +13387,7 @@ lean_object* x_10; lean_object* x_11;
 lean_dec(x_2);
 lean_dec(x_1);
 x_10 = l_Lean_Expr_updateMData_x21___closed__3;
-x_11 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_10);
+x_11 = l_panic___at_Lean_mkApp___spec__1(x_10);
 return x_11;
 }
 }
@@ -14139,9 +13412,9 @@ static lean_object* _init_l_Lean_Expr_updateProj_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateProj_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Expr_updateProj_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14187,7 +13460,7 @@ lean_object* x_11; lean_object* x_12;
 lean_dec(x_2);
 lean_dec(x_1);
 x_11 = l_Lean_Expr_updateProj_x21___closed__3;
-x_12 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_11);
+x_12 = l_panic___at_Lean_mkApp___spec__1(x_11);
 return x_12;
 }
 }
@@ -14222,9 +13495,9 @@ static lean_object* _init_l_Lean_Expr_updateForall_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateForall_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1041u);
+x_3 = lean_unsigned_to_nat(1048u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_updateForall_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14271,7 +13544,7 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
 x_13 = l_Lean_Expr_updateForall_x21___closed__3;
-x_14 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_13);
+x_14 = l_panic___at_Lean_mkApp___spec__1(x_13);
 return x_14;
 }
 }
@@ -14298,9 +13571,9 @@ static lean_object* _init_l_Lean_Expr_updateForallE_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateForallE_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Expr_updateForall_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14350,7 +13623,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_15 = l_Lean_Expr_updateForallE_x21___closed__2;
-x_16 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_15);
+x_16 = l_panic___at_Lean_mkApp___spec__1(x_15);
 return x_16;
 }
 }
@@ -14385,9 +13658,9 @@ static lean_object* _init_l_Lean_Expr_updateLambda_x21___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateLambda_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1055u);
+x_3 = lean_unsigned_to_nat(1062u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_updateLambda_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14434,7 +13707,7 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
 x_13 = l_Lean_Expr_updateLambda_x21___closed__3;
-x_14 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_13);
+x_14 = l_panic___at_Lean_mkApp___spec__1(x_13);
 return x_14;
 }
 }
@@ -14461,9 +13734,9 @@ static lean_object* _init_l_Lean_Expr_updateLambdaE_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateLambdaE_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1060u);
+x_3 = lean_unsigned_to_nat(1067u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Expr_updateLambda_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14513,7 +13786,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_15 = l_Lean_Expr_updateLambdaE_x21___closed__2;
-x_16 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_15);
+x_16 = l_panic___at_Lean_mkApp___spec__1(x_15);
 return x_16;
 }
 }
@@ -14538,9 +13811,9 @@ static lean_object* _init_l_Lean_Expr_updateLet_x21___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Expr_mkData___closed__2;
+x_1 = l_Lean_Expr_mkData___closed__5;
 x_2 = l_Lean_Expr_updateLet_x21___closed__1;
-x_3 = lean_unsigned_to_nat(1069u);
+x_3 = lean_unsigned_to_nat(1076u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_Expr_letName_x21___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -14591,7 +13864,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
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+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__29);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__30 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__30();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__30);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__31 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__31();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__31);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__32);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__33 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__33();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__33);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__34 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__34();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__34);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__35);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__36 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__36();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__36);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__37 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__37();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__37);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__38 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__38();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__38);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__39 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__39();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__39);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__40 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__40();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__40);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__41 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__41();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__41);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__42 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__42();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__42);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__43 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__43();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__43);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__44 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__44();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__44);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__45 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__45();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__45);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__46 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__46();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__46);
+l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__47 = _init_l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__47();
+lean_mark_persistent(l___private_Lean_Expr_0__Lean_reprExpr____x40_Lean_Expr___hyg_2245____closed__47);
 l_Lean_instReprExpr___closed__1 = _init_l_Lean_instReprExpr___closed__1();
 lean_mark_persistent(l_Lean_instReprExpr___closed__1);
 l_Lean_instReprExpr = _init_l_Lean_instReprExpr();
@@ -18235,6 +17512,15 @@ 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_mkApp___closed__1 = _init_l_Lean_mkApp___closed__1();
+l_Lean_mkApp___closed__2 = _init_l_Lean_mkApp___closed__2();
+lean_mark_persistent(l_Lean_mkApp___closed__2);
+l_Lean_mkApp___closed__3 = _init_l_Lean_mkApp___closed__3();
+lean_mark_persistent(l_Lean_mkApp___closed__3);
+l_Lean_mkApp___closed__4 = _init_l_Lean_mkApp___closed__4();
+lean_mark_persistent(l_Lean_mkApp___closed__4);
+l_Lean_mkApp___closed__5 = _init_l_Lean_mkApp___closed__5();
+lean_mark_persistent(l_Lean_mkApp___closed__5);
 l_Lean_mkSimpleThunkType___closed__1 = _init_l_Lean_mkSimpleThunkType___closed__1();
 lean_mark_persistent(l_Lean_mkSimpleThunkType___closed__1);
 l_Lean_mkSimpleThunkType___closed__2 = _init_l_Lean_mkSimpleThunkType___closed__2();
diff --git a/stage0/stdlib/Lean/HeadIndex.c b/stage0/stdlib/Lean/HeadIndex.c
index 480a4ad781..0c547daac3 100644
--- a/stage0/stdlib/Lean/HeadIndex.c
+++ b/stage0/stdlib/Lean/HeadIndex.c
@@ -16,7 +16,7 @@ extern "C" {
 LEAN_EXPORT lean_object* l___private_Lean_HeadIndex_0__Lean_Expr_toHeadIndexQuick_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_HeadIndex_0__Lean_Expr_toHeadIndexSlow___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_head___boxed(lean_object*);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
@@ -258,7 +258,7 @@ case 0:
 lean_object* x_2; uint64_t x_3; uint64_t x_4; uint64_t x_5; 
 x_2 = lean_ctor_get(x_1, 0);
 x_3 = 11;
-x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_5 = lean_uint64_mix_hash(x_3, x_4);
 return x_5;
 }
diff --git a/stage0/stdlib/Lean/LocalContext.c b/stage0/stdlib/Lean/LocalContext.c
index 04b39f6b96..70348c7fdd 100644
--- a/stage0/stdlib/Lean/LocalContext.c
+++ b/stage0/stdlib/Lean/LocalContext.c
@@ -59,7 +59,7 @@ lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_LocalContext_allM___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_LocalContext_any___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t lean_uint64_of_nat(lean_object*);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalDecl_isAuxDecl___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_LocalContext_foldl___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_LocalContext_foldl___spec__9___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -83,6 +83,7 @@ static lean_object* l_Lean_LocalDecl_value___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_findSomeM_x3f___at_Lean_LocalContext_findDecl_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_LocalContext_foldl___spec__7___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 static lean_object* l_Nat_foldRev_loop___at_Lean_LocalContext_mkBinding___spec__1___closed__1;
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_LocalContext_foldr___spec__21___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_LocalContext_foldr___spec__12___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_findSomeRevM_x3f___at_Lean_LocalContext_findFromUserName_x3f___spec__1___boxed(lean_object*, lean_object*);
@@ -235,7 +236,6 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_LocalContext_any___spec__4(
 lean_object* lean_name_append_index_after(lean_object*, lean_object*);
 static size_t l_Std_PersistentHashMap_insertAux___at_Lean_LocalContext_mkLocalDecl___spec__2___closed__1;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_LocalContext_foldr___spec__4___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_findDeclRev_x3f___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_setBinderInfo___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_set___rarg(lean_object*, lean_object*, lean_object*);
@@ -1000,7 +1000,7 @@ if (lean_obj_tag(x_1) == 0)
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = l_Lean_LocalDecl_value___closed__4;
-x_3 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_2);
+x_3 = l_panic___at_Lean_mkApp___spec__1(x_2);
 return x_3;
 }
 else
@@ -1549,7 +1549,7 @@ else
 lean_object* x_9; lean_object* x_10; uint64_t x_11; size_t x_12; size_t x_13; size_t x_14; size_t x_15; size_t x_16; size_t x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 x_9 = lean_array_fget(x_2, x_5);
 x_10 = lean_array_fget(x_3, x_5);
-x_11 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_9);
+x_11 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_9);
 x_12 = lean_uint64_to_usize(x_11);
 x_13 = 1;
 x_14 = lean_usize_sub(x_1, x_13);
@@ -2061,7 +2061,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8; size_t x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = 1;
 x_10 = l_Std_PersistentHashMap_insertAux___at_Lean_LocalContext_mkLocalDecl___spec__2(x_5, x_8, x_9, x_2, x_3);
@@ -2080,7 +2080,7 @@ x_14 = lean_ctor_get(x_1, 1);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_dec(x_1);
-x_15 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_15 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_16 = lean_uint64_to_usize(x_15);
 x_17 = 1;
 x_18 = l_Std_PersistentHashMap_insertAux___at_Lean_LocalContext_mkLocalDecl___spec__2(x_13, x_16, x_17, x_2, x_3);
@@ -2428,7 +2428,7 @@ lean_object* x_3; uint64_t x_4; size_t x_5; lean_object* x_6;
 x_3 = lean_ctor_get(x_1, 0);
 lean_inc(x_3);
 lean_dec(x_1);
-x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_5 = lean_uint64_to_usize(x_4);
 x_6 = l_Std_PersistentHashMap_findAux___at_Lean_LocalContext_find_x3f___spec__2(x_3, x_5, x_2);
 lean_dec(x_2);
@@ -2647,7 +2647,7 @@ lean_object* x_3; uint64_t x_4; size_t x_5; uint8_t x_6;
 x_3 = lean_ctor_get(x_1, 0);
 lean_inc(x_3);
 lean_dec(x_1);
-x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_4 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_5 = lean_uint64_to_usize(x_4);
 x_6 = l_Std_PersistentHashMap_containsAux___at_Lean_LocalContext_contains___spec__2(x_3, x_5, x_2);
 lean_dec(x_2);
@@ -3835,7 +3835,7 @@ if (x_3 == 0)
 lean_object* x_4; lean_object* x_5; uint64_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
 x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
-x_6 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_6 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_7 = lean_uint64_to_usize(x_6);
 x_8 = l_Std_PersistentHashMap_eraseAux___at_Lean_LocalContext_erase___spec__2(x_4, x_7, x_2);
 x_9 = lean_ctor_get(x_8, 1);
@@ -3873,7 +3873,7 @@ x_16 = lean_ctor_get(x_1, 1);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_dec(x_1);
-x_17 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_17 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_18 = lean_uint64_to_usize(x_17);
 x_19 = l_Std_PersistentHashMap_eraseAux___at_Lean_LocalContext_erase___spec__2(x_15, x_18, x_2);
 x_20 = lean_ctor_get(x_19, 1);
@@ -9653,7 +9653,7 @@ if (lean_obj_tag(x_12) == 0)
 lean_object* x_13; lean_object* x_14; 
 lean_dec(x_5);
 x_13 = l_Nat_foldRev_loop___at_Lean_LocalContext_mkBinding___spec__1___closed__2;
-x_14 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_13);
+x_14 = l_panic___at_Lean_mkApp___spec__1(x_13);
 x_4 = x_9;
 x_5 = x_14;
 goto _start;
@@ -9793,7 +9793,7 @@ if (lean_obj_tag(x_11) == 0)
 lean_object* x_12; lean_object* x_13; 
 lean_dec(x_4);
 x_12 = l_Nat_foldRev_loop___at_Lean_LocalContext_mkBinding___spec__1___closed__2;
-x_13 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_12);
+x_13 = l_panic___at_Lean_mkApp___spec__1(x_12);
 x_3 = x_8;
 x_4 = x_13;
 goto _start;
@@ -9917,7 +9917,7 @@ if (lean_obj_tag(x_11) == 0)
 lean_object* x_12; lean_object* x_13; 
 lean_dec(x_4);
 x_12 = l_Nat_foldRev_loop___at_Lean_LocalContext_mkBinding___spec__1___closed__2;
-x_13 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_12);
+x_13 = l_panic___at_Lean_mkApp___spec__1(x_12);
 x_3 = x_8;
 x_4 = x_13;
 goto _start;
diff --git a/stage0/stdlib/Lean/Meta/Closure.c b/stage0/stdlib/Lean/Meta/Closure.c
index 3b4735a1fe..f6ab3fade9 100644
--- a/stage0/stdlib/Lean/Meta/Closure.c
+++ b/stage0/stdlib/Lean/Meta/Closure.c
@@ -38,6 +38,7 @@ lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at_Lean_Meta_mkAuxDefinition___spec__6___closed__2;
 static lean_object* l_Lean_Meta_Closure_collectLevelAux___closed__2;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 static lean_object* l_Lean_Meta_Closure_collectLevelAux___closed__9;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Closure_process___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Closure_collectExprAux___closed__16;
@@ -122,7 +123,6 @@ LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Meta_mkAuxDefini
 lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Closure_pickNextToProcess_x3f___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_name_append_index_after(lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 uint8_t l_Lean_Name_quickCmp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Closure_State_visitedLevel___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_Closure_collectExprAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3930,7 +3930,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__2;
-x_3 = lean_unsigned_to_nat(1027u);
+x_3 = lean_unsigned_to_nat(1034u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -3959,7 +3959,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__5;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__6;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -3988,7 +3988,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__8;
-x_3 = lean_unsigned_to_nat(992u);
+x_3 = lean_unsigned_to_nat(999u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__9;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4017,7 +4017,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__11;
-x_3 = lean_unsigned_to_nat(1060u);
+x_3 = lean_unsigned_to_nat(1067u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__12;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4046,7 +4046,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__14;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__15;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4075,7 +4075,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_Closure_collectExprAux___closed__1;
 x_2 = l_Lean_Meta_Closure_collectExprAux___closed__17;
-x_3 = lean_unsigned_to_nat(1069u);
+x_3 = lean_unsigned_to_nat(1076u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_Meta_Closure_collectExprAux___closed__18;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -5609,7 +5609,7 @@ lean_dec(x_385);
 lean_dec(x_383);
 lean_dec(x_1);
 x_396 = l_Lean_Meta_Closure_collectExprAux___closed__10;
-x_397 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_396);
+x_397 = l_panic___at_Lean_mkApp___spec__1(x_396);
 x_398 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_398, 0, x_397);
 lean_ctor_set(x_398, 1, x_386);
@@ -6067,7 +6067,7 @@ lean_dec(x_503);
 lean_dec(x_501);
 lean_dec(x_1);
 x_518 = l_Lean_Meta_Closure_collectExprAux___closed__13;
-x_519 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_518);
+x_519 = l_panic___at_Lean_mkApp___spec__1(x_518);
 x_520 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_520, 0, x_519);
 lean_ctor_set(x_520, 1, x_504);
@@ -6525,7 +6525,7 @@ lean_dec(x_625);
 lean_dec(x_623);
 lean_dec(x_1);
 x_640 = l_Lean_Meta_Closure_collectExprAux___closed__16;
-x_641 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_640);
+x_641 = l_panic___at_Lean_mkApp___spec__1(x_640);
 x_642 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_642, 0, x_641);
 lean_ctor_set(x_642, 1, x_626);
@@ -7027,7 +7027,7 @@ lean_dec(x_748);
 lean_dec(x_746);
 lean_dec(x_1);
 x_763 = l_Lean_Meta_Closure_collectExprAux___closed__19;
-x_764 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_763);
+x_764 = l_panic___at_Lean_mkApp___spec__1(x_763);
 x_765 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_765, 0, x_764);
 lean_ctor_set(x_765, 1, x_751);
@@ -7965,7 +7965,7 @@ lean_object* x_20; lean_object* x_21; lean_object* x_22;
 lean_dec(x_9);
 lean_dec(x_1);
 x_20 = l_Lean_Meta_Closure_collectExprAux___closed__4;
-x_21 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_20);
+x_21 = l_panic___at_Lean_mkApp___spec__1(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_10);
@@ -8016,7 +8016,7 @@ lean_object* x_36; lean_object* x_37; lean_object* x_38;
 lean_dec(x_24);
 lean_dec(x_1);
 x_36 = l_Lean_Meta_Closure_collectExprAux___closed__7;
-x_37 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_36);
+x_37 = l_panic___at_Lean_mkApp___spec__1(x_36);
 x_38 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_38, 0, x_37);
 lean_ctor_set(x_38, 1, x_25);
diff --git a/stage0/stdlib/Lean/Meta/DiscrTree.c b/stage0/stdlib/Lean/Meta/DiscrTree.c
index 84f6566338..3d8026036c 100644
--- a/stage0/stdlib/Lean/Meta/DiscrTree.c
+++ b/stage0/stdlib/Lean/Meta/DiscrTree.c
@@ -2390,6 +2390,7 @@ lean_dec(x_17);
 x_26 = lean_nat_sub(x_25, x_24);
 lean_dec(x_25);
 x_27 = l_Lean_Expr_getRevArg_x21(x_1, x_26);
+lean_dec(x_1);
 x_1 = x_27;
 goto _start;
 }
@@ -2595,7 +2596,6 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 x_112 = l_Lean_Expr_appArg_x21(x_2);
-lean_dec(x_2);
 x_113 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral(x_112);
 x_114 = lean_box(x_113);
 x_115 = lean_alloc_ctor(0, 2, 0);
@@ -2622,7 +2622,6 @@ x_12 = lean_name_eq(x_1, x_11);
 if (x_12 == 0)
 {
 uint8_t x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_2);
 x_13 = 0;
 x_14 = lean_box(x_13);
 x_15 = lean_alloc_ctor(0, 2, 0);
@@ -2635,7 +2634,6 @@ else
 lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; 
 x_16 = lean_unsigned_to_nat(0u);
 x_17 = l_Lean_Expr_getAppNumArgsAux(x_2, x_16);
-lean_dec(x_2);
 x_18 = lean_unsigned_to_nat(1u);
 x_19 = lean_nat_dec_eq(x_17, x_18);
 lean_dec(x_17);
@@ -2660,7 +2658,6 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
 x_26 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral___closed__10;
 x_27 = lean_name_eq(x_1, x_26);
 if (x_27 == 0)
@@ -2695,7 +2692,6 @@ x_36 = lean_nat_sub(x_23, x_35);
 lean_dec(x_23);
 x_37 = lean_nat_sub(x_36, x_35);
 lean_dec(x_36);
-lean_inc(x_2);
 x_38 = l_Lean_Expr_getRevArg_x21(x_2, x_37);
 x_39 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNatType(x_38, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_39) == 0)
@@ -2708,7 +2704,6 @@ lean_dec(x_40);
 if (x_41 == 0)
 {
 uint8_t x_42; 
-lean_dec(x_2);
 x_42 = !lean_is_exclusive(x_39);
 if (x_42 == 0)
 {
@@ -2744,7 +2739,6 @@ lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54;
 x_51 = lean_ctor_get(x_39, 0);
 lean_dec(x_51);
 x_52 = l_Lean_Expr_appArg_x21(x_2);
-lean_dec(x_2);
 x_53 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral(x_52);
 x_54 = lean_box(x_53);
 lean_ctor_set(x_39, 0, x_54);
@@ -2757,7 +2751,6 @@ x_55 = lean_ctor_get(x_39, 1);
 lean_inc(x_55);
 lean_dec(x_39);
 x_56 = l_Lean_Expr_appArg_x21(x_2);
-lean_dec(x_2);
 x_57 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral(x_56);
 x_58 = lean_box(x_57);
 x_59 = lean_alloc_ctor(0, 2, 0);
@@ -2770,7 +2763,6 @@ return x_59;
 else
 {
 uint8_t x_60; 
-lean_dec(x_2);
 x_60 = !lean_is_exclusive(x_39);
 if (x_60 == 0)
 {
@@ -2829,7 +2821,6 @@ lean_dec(x_70);
 x_75 = lean_unsigned_to_nat(1u);
 x_76 = lean_nat_sub(x_74, x_75);
 lean_dec(x_74);
-lean_inc(x_2);
 x_77 = l_Lean_Expr_getRevArg_x21(x_2, x_76);
 x_78 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNatType(x_77, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_78) == 0)
@@ -2842,7 +2833,6 @@ lean_dec(x_79);
 if (x_80 == 0)
 {
 uint8_t x_81; 
-lean_dec(x_2);
 x_81 = !lean_is_exclusive(x_78);
 if (x_81 == 0)
 {
@@ -2878,7 +2868,6 @@ lean_object* x_90; lean_object* x_91; uint8_t x_92; lean_object* x_93;
 x_90 = lean_ctor_get(x_78, 0);
 lean_dec(x_90);
 x_91 = l_Lean_Expr_appArg_x21(x_2);
-lean_dec(x_2);
 x_92 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral(x_91);
 x_93 = lean_box(x_92);
 lean_ctor_set(x_78, 0, x_93);
@@ -2891,7 +2880,6 @@ x_94 = lean_ctor_get(x_78, 1);
 lean_inc(x_94);
 lean_dec(x_78);
 x_95 = l_Lean_Expr_appArg_x21(x_2);
-lean_dec(x_2);
 x_96 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isNumeral(x_95);
 x_97 = lean_box(x_96);
 x_98 = lean_alloc_ctor(0, 2, 0);
@@ -2904,7 +2892,6 @@ return x_98;
 else
 {
 uint8_t x_99; 
-lean_dec(x_2);
 x_99 = !lean_is_exclusive(x_78);
 if (x_99 == 0)
 {
@@ -2934,6 +2921,7 @@ _start:
 {
 lean_object* x_8; 
 x_8 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_isOffset(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_2);
 lean_dec(x_1);
 return x_8;
 }
@@ -2957,7 +2945,6 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
 x_11 = 1;
 x_12 = lean_box(x_11);
 x_13 = lean_alloc_ctor(0, 2, 0);
@@ -2972,6 +2959,7 @@ _start:
 {
 lean_object* x_8; 
 x_8 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_shouldAddAsStar(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_2);
 lean_dec(x_1);
 return x_8;
 }
@@ -3910,7 +3898,6 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_12);
 x_70 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_shouldAddAsStar(x_69, x_12, x_4, x_5, x_6, x_7, x_13);
 if (lean_obj_tag(x_70) == 0)
 {
@@ -4372,7 +4359,6 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_111);
 x_162 = l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_shouldAddAsStar(x_161, x_111, x_4, x_5, x_6, x_7, x_112);
 if (lean_obj_tag(x_162) == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/DiscrTreeTypes.c b/stage0/stdlib/Lean/Meta/DiscrTreeTypes.c
index 13310025e9..2930f634a4 100644
--- a/stage0/stdlib/Lean/Meta/DiscrTreeTypes.c
+++ b/stage0/stdlib/Lean/Meta/DiscrTreeTypes.c
@@ -16,7 +16,7 @@ extern "C" {
 static lean_object* l_Lean_Meta_DiscrTree_root___default___closed__2;
 static lean_object* l_Lean_Meta_DiscrTree_instBEqKey___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_DiscrTree_root___default(lean_object*);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DiscrTreeTypes_0__Lean_Meta_DiscrTree_reprKey____x40_Lean_Meta_DiscrTreeTypes___hyg_312_(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_DiscrTree_instInhabitedKey___closed__1;
 static lean_object* l___private_Lean_Meta_DiscrTreeTypes_0__Lean_Meta_DiscrTree_reprKey____x40_Lean_Meta_DiscrTreeTypes___hyg_312____closed__31;
@@ -938,7 +938,7 @@ lean_object* x_9; lean_object* x_10; uint64_t x_11; uint64_t x_12; uint64_t x_13
 x_9 = lean_ctor_get(x_1, 0);
 x_10 = lean_ctor_get(x_1, 1);
 x_11 = 3541;
-x_12 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_9);
+x_12 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_9);
 x_13 = lean_uint64_of_nat(x_10);
 x_14 = lean_uint64_mix_hash(x_12, x_13);
 x_15 = lean_uint64_mix_hash(x_11, x_14);
diff --git a/stage0/stdlib/Lean/Meta/ExprDefEq.c b/stage0/stdlib/Lean/Meta/ExprDefEq.c
index c83ee9225c..add7c89953 100644
--- a/stage0/stdlib/Lean/Meta/ExprDefEq.c
+++ b/stage0/stdlib/Lean/Meta/ExprDefEq.c
@@ -74,7 +74,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_isDefEqStringLit(lean_object*, lean_object*
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldNonProjFnDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__13(lean_object*, lean_object*);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqBindingAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_mdata(lean_object*, lean_object*);
@@ -102,6 +102,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAss
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_occursCheck(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween___lambda__1___boxed(lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_sameHeadSymbol___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -350,7 +351,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isListLeve
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__31___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_run___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps___closed__6;
 uint8_t l_Lean_ReducibilityHints_isRegular(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -10948,7 +10948,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8;
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 1);
 x_6 = lean_array_get_size(x_1);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_4);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_4);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = lean_usize_modn(x_8, x_6);
 lean_dec(x_6);
@@ -10968,7 +10968,7 @@ lean_inc(x_14);
 lean_inc(x_13);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_13);
+x_16 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_13);
 x_17 = lean_uint64_to_usize(x_16);
 x_18 = lean_usize_modn(x_17, x_15);
 lean_dec(x_15);
@@ -11108,7 +11108,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8;
 x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
 x_6 = lean_array_get_size(x_5);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = lean_usize_modn(x_8, x_6);
 x_10 = lean_array_uget(x_5, x_9);
@@ -11160,7 +11160,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_23 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_24 = lean_uint64_to_usize(x_23);
 x_25 = lean_usize_modn(x_24, x_22);
 x_26 = lean_array_uget(x_21, x_25);
@@ -12983,7 +12983,7 @@ _start:
 lean_object* x_3; lean_object* x_4; uint64_t x_5; size_t x_6; size_t x_7; lean_object* x_8; uint8_t x_9; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_6 = lean_uint64_to_usize(x_5);
 x_7 = lean_usize_modn(x_6, x_4);
 lean_dec(x_4);
@@ -15607,7 +15607,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_CheckAssignment_check___closed__1;
 x_2 = l_Lean_Meta_CheckAssignment_check___closed__2;
-x_3 = lean_unsigned_to_nat(1027u);
+x_3 = lean_unsigned_to_nat(1034u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Meta_CheckAssignment_check___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15636,7 +15636,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_CheckAssignment_check___closed__1;
 x_2 = l_Lean_Meta_CheckAssignment_check___closed__5;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Meta_CheckAssignment_check___closed__6;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15665,7 +15665,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_CheckAssignment_check___closed__1;
 x_2 = l_Lean_Meta_CheckAssignment_check___closed__8;
-x_3 = lean_unsigned_to_nat(1060u);
+x_3 = lean_unsigned_to_nat(1067u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Meta_CheckAssignment_check___closed__9;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15694,7 +15694,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_CheckAssignment_check___closed__1;
 x_2 = l_Lean_Meta_CheckAssignment_check___closed__11;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Meta_CheckAssignment_check___closed__12;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15723,7 +15723,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_CheckAssignment_check___closed__1;
 x_2 = l_Lean_Meta_CheckAssignment_check___closed__14;
-x_3 = lean_unsigned_to_nat(1069u);
+x_3 = lean_unsigned_to_nat(1076u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_Meta_CheckAssignment_check___closed__15;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16187,7 +16187,7 @@ lean_dec(x_101);
 lean_dec(x_99);
 lean_dec(x_1);
 x_116 = l_Lean_Meta_CheckAssignment_check___closed__10;
-x_117 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_116);
+x_117 = l_panic___at_Lean_mkApp___spec__1(x_116);
 x_118 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_118, 0, x_117);
 lean_ctor_set(x_118, 1, x_102);
@@ -16496,7 +16496,7 @@ lean_dec(x_165);
 lean_dec(x_163);
 lean_dec(x_1);
 x_180 = l_Lean_Meta_CheckAssignment_check___closed__13;
-x_181 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_180);
+x_181 = l_panic___at_Lean_mkApp___spec__1(x_180);
 x_182 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_182, 0, x_181);
 lean_ctor_set(x_182, 1, x_166);
@@ -16837,7 +16837,7 @@ lean_dec(x_230);
 lean_dec(x_228);
 lean_dec(x_1);
 x_245 = l_Lean_Meta_CheckAssignment_check___closed__16;
-x_246 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_245);
+x_246 = l_panic___at_Lean_mkApp___spec__1(x_245);
 x_247 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_247, 0, x_246);
 lean_ctor_set(x_247, 1, x_233);
@@ -17446,7 +17446,7 @@ lean_object* x_20; lean_object* x_21; lean_object* x_22;
 lean_dec(x_9);
 lean_dec(x_1);
 x_20 = l_Lean_Meta_CheckAssignment_check___closed__4;
-x_21 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_20);
+x_21 = l_panic___at_Lean_mkApp___spec__1(x_20);
 x_22 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_10);
@@ -17497,7 +17497,7 @@ lean_object* x_36; lean_object* x_37; lean_object* x_38;
 lean_dec(x_24);
 lean_dec(x_1);
 x_36 = l_Lean_Meta_CheckAssignment_check___closed__7;
-x_37 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_36);
+x_37 = l_panic___at_Lean_mkApp___spec__1(x_36);
 x_38 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_38, 0, x_37);
 lean_ctor_set(x_38, 1, x_25);
diff --git a/stage0/stdlib/Lean/Meta/InferType.c b/stage0/stdlib/Lean/Meta/InferType.c
index ba65ac7c13..772796db60 100644
--- a/stage0/stdlib/Lean/Meta/InferType.c
+++ b/stage0/stdlib/Lean/Meta/InferType.c
@@ -44,6 +44,7 @@ lean_object* l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_proce
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_InferType_0__Lean_Meta_isAlwaysZero___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_throwTypeExcepted___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_instantiateBetaRevRange_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_instantiateBetaRevRange_visit___closed__2;
 size_t lean_usize_sub(size_t, size_t);
@@ -119,7 +120,6 @@ lean_object* l_instInhabited___rarg(lean_object*, lean_object*);
 static lean_object* l_panic___at_Lean_Expr_instantiateBetaRevRange_visit___spec__10___closed__2;
 static lean_object* l_panic___at_Lean_Expr_instantiateBetaRevRange_visit___spec__10___closed__1;
 lean_object* lean_level_mk_imax_simp(lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_foldlM___at_Lean_Expr_instantiateBetaRevRange_visit___spec__7___at_Lean_Expr_instantiateBetaRevRange_visit___spec__8(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Expr_instantiateBetaRevRange_visit___spec__2(lean_object*, lean_object*);
 lean_object* lean_instantiate_type_lparams(lean_object*, lean_object*);
@@ -2071,7 +2071,7 @@ if (x_8 == 0)
 lean_object* x_9; lean_object* x_10; 
 lean_dec(x_1);
 x_9 = l_Lean_Expr_instantiateBetaRevRange___closed__5;
-x_10 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_9);
+x_10 = l_panic___at_Lean_mkApp___spec__1(x_9);
 return x_10;
 }
 else
diff --git a/stage0/stdlib/Lean/Meta/Injective.c b/stage0/stdlib/Lean/Meta/Injective.c
index 7c513e0b2a..ab5bfd2937 100644
--- a/stage0/stdlib/Lean/Meta/Injective.c
+++ b/stage0/stdlib/Lean/Meta/Injective.c
@@ -334,6 +334,7 @@ x_13 = lean_unsigned_to_nat(1u);
 x_14 = lean_nat_sub(x_12, x_13);
 lean_dec(x_12);
 x_15 = l_Lean_Expr_getRevArg_x21(x_1, x_14);
+lean_dec(x_1);
 x_16 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_16, 0, x_15);
 x_17 = lean_alloc_ctor(0, 2, 0);
diff --git a/stage0/stdlib/Lean/Meta/Match/Basic.c b/stage0/stdlib/Lean/Meta/Match/Basic.c
index 611f921256..c7c37586db 100644
--- a/stage0/stdlib/Lean/Meta/Match/Basic.c
+++ b/stage0/stdlib/Lean/Meta/Match/Basic.c
@@ -6688,7 +6688,6 @@ x_83 = lean_nat_sub(x_81, x_82);
 x_84 = lean_unsigned_to_nat(1u);
 x_85 = lean_nat_sub(x_83, x_84);
 lean_dec(x_83);
-lean_inc(x_1);
 x_86 = l_Lean_Expr_getRevArg_x21(x_1, x_85);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -6708,13 +6707,13 @@ x_91 = lean_unsigned_to_nat(3u);
 x_92 = lean_nat_sub(x_81, x_91);
 x_93 = lean_nat_sub(x_92, x_84);
 lean_dec(x_92);
-lean_inc(x_1);
 x_94 = l_Lean_Expr_getRevArg_x21(x_1, x_93);
 x_95 = lean_nat_sub(x_81, x_84);
 lean_dec(x_81);
 x_96 = lean_nat_sub(x_95, x_84);
 lean_dec(x_95);
 x_97 = l_Lean_Expr_getRevArg_x21(x_1, x_96);
+lean_dec(x_1);
 if (lean_obj_tag(x_97) == 1)
 {
 if (lean_obj_tag(x_94) == 1)
@@ -6781,13 +6780,13 @@ x_107 = lean_unsigned_to_nat(3u);
 x_108 = lean_nat_sub(x_81, x_107);
 x_109 = lean_nat_sub(x_108, x_84);
 lean_dec(x_108);
-lean_inc(x_1);
 x_110 = l_Lean_Expr_getRevArg_x21(x_1, x_109);
 x_111 = lean_nat_sub(x_81, x_84);
 lean_dec(x_81);
 x_112 = lean_nat_sub(x_111, x_84);
 lean_dec(x_111);
 x_113 = l_Lean_Expr_getRevArg_x21(x_1, x_112);
+lean_dec(x_1);
 if (lean_obj_tag(x_113) == 1)
 {
 if (lean_obj_tag(x_110) == 1)
diff --git a/stage0/stdlib/Lean/Meta/Offset.c b/stage0/stdlib/Lean/Meta/Offset.c
index 4a6be482dd..d03e4b6909 100644
--- a/stage0/stdlib/Lean/Meta/Offset.c
+++ b/stage0/stdlib/Lean/Meta/Offset.c
@@ -743,6 +743,7 @@ lean_dec(x_25);
 x_229 = lean_nat_sub(x_228, x_225);
 lean_dec(x_228);
 x_230 = l_Lean_Expr_getRevArg_x21(x_1, x_229);
+lean_dec(x_1);
 x_231 = l_Lean_Meta_evalNat(x_230, x_2, x_3, x_4, x_5, x_6);
 if (lean_obj_tag(x_231) == 0)
 {
@@ -1089,7 +1090,6 @@ x_67 = lean_nat_sub(x_25, x_24);
 x_68 = lean_unsigned_to_nat(1u);
 x_69 = lean_nat_sub(x_67, x_68);
 lean_dec(x_67);
-lean_inc(x_1);
 x_70 = l_Lean_Expr_getRevArg_x21(x_1, x_69);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -1147,6 +1147,7 @@ lean_dec(x_25);
 x_82 = lean_nat_sub(x_81, x_68);
 lean_dec(x_81);
 x_83 = l_Lean_Expr_getRevArg_x21(x_1, x_82);
+lean_dec(x_1);
 x_84 = l_Lean_Meta_evalNat(x_83, x_2, x_3, x_4, x_5, x_79);
 if (lean_obj_tag(x_84) == 0)
 {
@@ -1340,7 +1341,6 @@ x_124 = lean_nat_sub(x_25, x_24);
 x_125 = lean_unsigned_to_nat(1u);
 x_126 = lean_nat_sub(x_124, x_125);
 lean_dec(x_124);
-lean_inc(x_1);
 x_127 = l_Lean_Expr_getRevArg_x21(x_1, x_126);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -1398,6 +1398,7 @@ lean_dec(x_25);
 x_139 = lean_nat_sub(x_138, x_125);
 lean_dec(x_138);
 x_140 = l_Lean_Expr_getRevArg_x21(x_1, x_139);
+lean_dec(x_1);
 x_141 = l_Lean_Meta_evalNat(x_140, x_2, x_3, x_4, x_5, x_136);
 if (lean_obj_tag(x_141) == 0)
 {
@@ -1573,7 +1574,6 @@ x_174 = lean_nat_sub(x_25, x_24);
 x_175 = lean_unsigned_to_nat(1u);
 x_176 = lean_nat_sub(x_174, x_175);
 lean_dec(x_174);
-lean_inc(x_1);
 x_177 = l_Lean_Expr_getRevArg_x21(x_1, x_176);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -1631,6 +1631,7 @@ lean_dec(x_25);
 x_189 = lean_nat_sub(x_188, x_175);
 lean_dec(x_188);
 x_190 = l_Lean_Expr_getRevArg_x21(x_1, x_189);
+lean_dec(x_1);
 x_191 = l_Lean_Meta_evalNat(x_190, x_2, x_3, x_4, x_5, x_186);
 if (lean_obj_tag(x_191) == 0)
 {
@@ -2711,7 +2712,6 @@ x_109 = lean_unsigned_to_nat(1u);
 x_110 = lean_nat_sub(x_27, x_109);
 x_111 = lean_nat_sub(x_110, x_109);
 lean_dec(x_110);
-lean_inc(x_1);
 x_112 = l_Lean_Expr_getRevArg_x21(x_1, x_111);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -2769,6 +2769,7 @@ lean_dec(x_27);
 x_124 = lean_nat_sub(x_123, x_109);
 lean_dec(x_123);
 x_125 = l_Lean_Expr_getRevArg_x21(x_1, x_124);
+lean_dec(x_1);
 x_126 = 0;
 x_127 = l___private_Lean_Meta_Offset_0__Lean_Meta_getOffsetAux(x_125, x_126, x_3, x_4, x_5, x_6, x_121);
 if (lean_obj_tag(x_127) == 0)
diff --git a/stage0/stdlib/Lean/Meta/ReduceEval.c b/stage0/stdlib/Lean/Meta/ReduceEval.c
index 8fe73035f2..04fad35eac 100644
--- a/stage0/stdlib/Lean/Meta/ReduceEval.c
+++ b/stage0/stdlib/Lean/Meta/ReduceEval.c
@@ -3674,7 +3674,6 @@ x_22 = lean_nat_sub(x_14, x_13);
 x_23 = lean_unsigned_to_nat(1u);
 x_24 = lean_nat_sub(x_22, x_23);
 lean_dec(x_22);
-lean_inc(x_9);
 x_25 = l_Lean_Expr_getRevArg_x21(x_9, x_24);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -3694,6 +3693,7 @@ lean_dec(x_14);
 x_30 = lean_nat_sub(x_29, x_23);
 lean_dec(x_29);
 x_31 = l_Lean_Expr_getRevArg_x21(x_9, x_30);
+lean_dec(x_9);
 x_32 = l_Lean_Meta_reduceEval___at___private_Lean_Meta_ReduceEval_0__Lean_Meta_evalName___spec__1(x_31, x_2, x_3, x_4, x_5, x_28);
 if (lean_obj_tag(x_32) == 0)
 {
@@ -3810,7 +3810,6 @@ x_56 = lean_nat_sub(x_14, x_13);
 x_57 = lean_unsigned_to_nat(1u);
 x_58 = lean_nat_sub(x_56, x_57);
 lean_dec(x_56);
-lean_inc(x_9);
 x_59 = l_Lean_Expr_getRevArg_x21(x_9, x_58);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -3830,6 +3829,7 @@ lean_dec(x_14);
 x_64 = lean_nat_sub(x_63, x_57);
 lean_dec(x_63);
 x_65 = l_Lean_Expr_getRevArg_x21(x_9, x_64);
+lean_dec(x_9);
 x_66 = l_Lean_Meta_reduceEval___at___private_Lean_Meta_ReduceEval_0__Lean_Meta_evalName___spec__2(x_65, x_2, x_3, x_4, x_5, x_62);
 if (lean_obj_tag(x_66) == 0)
 {
@@ -4022,7 +4022,6 @@ x_103 = lean_nat_sub(x_95, x_94);
 x_104 = lean_unsigned_to_nat(1u);
 x_105 = lean_nat_sub(x_103, x_104);
 lean_dec(x_103);
-lean_inc(x_90);
 x_106 = l_Lean_Expr_getRevArg_x21(x_90, x_105);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -4042,6 +4041,7 @@ lean_dec(x_95);
 x_111 = lean_nat_sub(x_110, x_104);
 lean_dec(x_110);
 x_112 = l_Lean_Expr_getRevArg_x21(x_90, x_111);
+lean_dec(x_90);
 x_113 = l_Lean_Meta_reduceEval___at___private_Lean_Meta_ReduceEval_0__Lean_Meta_evalName___spec__1(x_112, x_2, x_3, x_4, x_5, x_109);
 if (lean_obj_tag(x_113) == 0)
 {
@@ -4160,7 +4160,6 @@ x_135 = lean_nat_sub(x_95, x_94);
 x_136 = lean_unsigned_to_nat(1u);
 x_137 = lean_nat_sub(x_135, x_136);
 lean_dec(x_135);
-lean_inc(x_90);
 x_138 = l_Lean_Expr_getRevArg_x21(x_90, x_137);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -4180,6 +4179,7 @@ lean_dec(x_95);
 x_143 = lean_nat_sub(x_142, x_136);
 lean_dec(x_142);
 x_144 = l_Lean_Expr_getRevArg_x21(x_90, x_143);
+lean_dec(x_90);
 x_145 = l_Lean_Meta_reduceEval___at___private_Lean_Meta_ReduceEval_0__Lean_Meta_evalName___spec__2(x_144, x_2, x_3, x_4, x_5, x_141);
 if (lean_obj_tag(x_145) == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Basic.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Basic.c
index fb96ba4ce8..1077c1c88a 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Basic.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Basic.c
@@ -2048,7 +2048,6 @@ x_111 = lean_nat_sub(x_17, x_16);
 x_112 = lean_unsigned_to_nat(1u);
 x_113 = lean_nat_sub(x_111, x_112);
 lean_dec(x_111);
-lean_inc(x_1);
 x_114 = l_Lean_Expr_getRevArg_x21(x_1, x_113);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -2068,6 +2067,7 @@ lean_dec(x_17);
 x_119 = lean_nat_sub(x_118, x_112);
 lean_dec(x_118);
 x_120 = l_Lean_Expr_getRevArg_x21(x_1, x_119);
+lean_dec(x_1);
 x_121 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_120, x_2, x_3, x_4, x_5, x_6, x_117);
 if (lean_obj_tag(x_121) == 0)
 {
@@ -2191,7 +2191,6 @@ lean_dec(x_15);
 x_145 = lean_nat_sub(x_17, x_16);
 x_146 = lean_nat_sub(x_145, x_137);
 lean_dec(x_145);
-lean_inc(x_1);
 x_147 = l_Lean_Expr_getRevArg_x21(x_1, x_146);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -2211,6 +2210,7 @@ lean_dec(x_17);
 x_152 = lean_nat_sub(x_151, x_137);
 lean_dec(x_151);
 x_153 = l_Lean_Expr_getRevArg_x21(x_1, x_152);
+lean_dec(x_1);
 x_154 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_153, x_2, x_3, x_4, x_5, x_6, x_150);
 if (lean_obj_tag(x_154) == 0)
 {
@@ -2532,7 +2532,6 @@ x_49 = lean_nat_sub(x_17, x_16);
 x_50 = lean_unsigned_to_nat(1u);
 x_51 = lean_nat_sub(x_49, x_50);
 lean_dec(x_49);
-lean_inc(x_1);
 x_52 = l_Lean_Expr_getRevArg_x21(x_1, x_51);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -2555,7 +2554,6 @@ x_56 = lean_nat_sub(x_17, x_50);
 lean_dec(x_17);
 x_57 = lean_nat_sub(x_56, x_50);
 lean_dec(x_56);
-lean_inc(x_1);
 x_58 = l_Lean_Expr_getRevArg_x21(x_1, x_57);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -2688,6 +2686,7 @@ lean_dec(x_17);
 x_84 = lean_nat_sub(x_83, x_50);
 lean_dec(x_83);
 x_85 = l_Lean_Expr_getRevArg_x21(x_1, x_84);
+lean_dec(x_1);
 x_86 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_85, x_2, x_3, x_4, x_5, x_6, x_81);
 if (lean_obj_tag(x_86) == 0)
 {
@@ -3244,7 +3243,6 @@ x_197 = lean_unsigned_to_nat(1u);
 x_198 = lean_nat_sub(x_24, x_197);
 x_199 = lean_nat_sub(x_198, x_197);
 lean_dec(x_198);
-lean_inc(x_1);
 x_200 = l_Lean_Expr_getRevArg_x21(x_1, x_199);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -3265,6 +3263,7 @@ lean_dec(x_24);
 x_206 = lean_nat_sub(x_205, x_197);
 lean_dec(x_205);
 x_207 = l_Lean_Expr_getRevArg_x21(x_1, x_206);
+lean_dec(x_1);
 x_208 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_207, x_2, x_3, x_4, x_5, x_6, x_203);
 if (lean_obj_tag(x_208) == 0)
 {
@@ -3392,7 +3391,6 @@ x_160 = lean_nat_sub(x_24, x_23);
 x_161 = lean_unsigned_to_nat(1u);
 x_162 = lean_nat_sub(x_160, x_161);
 lean_dec(x_160);
-lean_inc(x_1);
 x_163 = l_Lean_Expr_getRevArg_x21(x_1, x_162);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -3412,6 +3410,7 @@ lean_dec(x_24);
 x_168 = lean_nat_sub(x_167, x_161);
 lean_dec(x_167);
 x_169 = l_Lean_Expr_getRevArg_x21(x_1, x_168);
+lean_dec(x_1);
 x_170 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_169, x_2, x_3, x_4, x_5, x_6, x_166);
 if (lean_obj_tag(x_170) == 0)
 {
@@ -3515,7 +3514,6 @@ lean_dec(x_24);
 x_28 = lean_unsigned_to_nat(1u);
 x_29 = lean_nat_sub(x_27, x_28);
 lean_dec(x_27);
-lean_inc(x_1);
 x_30 = l_Lean_Expr_getRevArg_x21(x_1, x_29);
 x_31 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearCnstr_x3f___closed__1;
 lean_inc(x_6);
@@ -3978,7 +3976,6 @@ x_121 = lean_nat_sub(x_24, x_23);
 x_122 = lean_unsigned_to_nat(1u);
 x_123 = lean_nat_sub(x_121, x_122);
 lean_dec(x_121);
-lean_inc(x_1);
 x_124 = l_Lean_Expr_getRevArg_x21(x_1, x_123);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -3998,6 +3995,7 @@ lean_dec(x_24);
 x_129 = lean_nat_sub(x_128, x_122);
 lean_dec(x_128);
 x_130 = l_Lean_Expr_getRevArg_x21(x_1, x_129);
+lean_dec(x_1);
 x_131 = l_Lean_Meta_Linear_Nat_ToLinear_toLinearExpr(x_130, x_2, x_3, x_4, x_5, x_6, x_127);
 if (lean_obj_tag(x_131) == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Simp.c b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Simp.c
index bd030d41e4..aa6b3d7961 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Simp.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/LinearArith/Nat/Simp.c
@@ -1718,7 +1718,6 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
 x_12 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_12, 0, x_1);
 lean_ctor_set(x_12, 1, x_11);
@@ -1742,7 +1741,6 @@ x_20 = lean_nat_sub(x_18, x_19);
 x_21 = lean_unsigned_to_nat(1u);
 x_22 = lean_nat_sub(x_20, x_21);
 lean_dec(x_20);
-lean_inc(x_2);
 x_23 = l_Lean_Expr_getRevArg_x21(x_2, x_22);
 x_24 = lean_unsigned_to_nat(3u);
 x_25 = lean_nat_sub(x_18, x_24);
@@ -1969,7 +1967,6 @@ x_85 = lean_nat_sub(x_83, x_84);
 x_86 = lean_unsigned_to_nat(1u);
 x_87 = lean_nat_sub(x_85, x_86);
 lean_dec(x_85);
-lean_inc(x_2);
 x_88 = l_Lean_Expr_getRevArg_x21(x_2, x_87);
 x_89 = lean_unsigned_to_nat(3u);
 x_90 = lean_nat_sub(x_83, x_89);
@@ -2390,6 +2387,7 @@ lean_object* x_22; lean_object* x_23; lean_object* x_24;
 x_22 = lean_box(0);
 x_23 = lean_box(0);
 x_24 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_22, x_12, x_23, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_11);
 return x_24;
 }
 else
@@ -2401,14 +2399,12 @@ x_27 = lean_unsigned_to_nat(2u);
 x_28 = lean_nat_sub(x_26, x_27);
 x_29 = lean_nat_sub(x_28, x_8);
 lean_dec(x_28);
-lean_inc(x_11);
 x_30 = l_Lean_Expr_getRevArg_x21(x_11, x_29);
 x_31 = lean_unsigned_to_nat(3u);
 x_32 = lean_nat_sub(x_26, x_31);
 lean_dec(x_26);
 x_33 = lean_nat_sub(x_32, x_8);
 lean_dec(x_32);
-lean_inc(x_11);
 x_34 = l_Lean_Expr_getRevArg_x21(x_11, x_33);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -2428,6 +2424,7 @@ lean_ctor_set(x_38, 0, x_36);
 x_39 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__20;
 x_40 = lean_box(0);
 x_41 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_39, x_38, x_40, x_2, x_3, x_4, x_5, x_37);
+lean_dec(x_11);
 return x_41;
 }
 else
@@ -2469,14 +2466,12 @@ x_48 = lean_unsigned_to_nat(3u);
 x_49 = lean_nat_sub(x_47, x_48);
 x_50 = lean_nat_sub(x_49, x_8);
 lean_dec(x_49);
-lean_inc(x_11);
 x_51 = l_Lean_Expr_getRevArg_x21(x_11, x_50);
 x_52 = lean_unsigned_to_nat(2u);
 x_53 = lean_nat_sub(x_47, x_52);
 lean_dec(x_47);
 x_54 = lean_nat_sub(x_53, x_8);
 lean_dec(x_53);
-lean_inc(x_11);
 x_55 = l_Lean_Expr_getRevArg_x21(x_11, x_54);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -2496,6 +2491,7 @@ lean_ctor_set(x_59, 0, x_57);
 x_60 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__22;
 x_61 = lean_box(0);
 x_62 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_60, x_59, x_61, x_2, x_3, x_4, x_5, x_58);
+lean_dec(x_11);
 return x_62;
 }
 else
@@ -2537,7 +2533,6 @@ x_69 = lean_unsigned_to_nat(2u);
 x_70 = lean_nat_sub(x_68, x_69);
 x_71 = lean_nat_sub(x_70, x_8);
 lean_dec(x_70);
-lean_inc(x_11);
 x_72 = l_Lean_Expr_getRevArg_x21(x_11, x_71);
 x_73 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__23;
 lean_inc(x_5);
@@ -2558,7 +2553,6 @@ x_78 = lean_nat_sub(x_68, x_77);
 lean_dec(x_68);
 x_79 = lean_nat_sub(x_78, x_8);
 lean_dec(x_78);
-lean_inc(x_11);
 x_80 = l_Lean_Expr_getRevArg_x21(x_11, x_79);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -2578,6 +2572,7 @@ lean_ctor_set(x_84, 0, x_82);
 x_85 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__25;
 x_86 = lean_box(0);
 x_87 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_85, x_84, x_86, x_2, x_3, x_4, x_5, x_83);
+lean_dec(x_11);
 return x_87;
 }
 else
@@ -2649,7 +2644,6 @@ x_98 = lean_unsigned_to_nat(3u);
 x_99 = lean_nat_sub(x_97, x_98);
 x_100 = lean_nat_sub(x_99, x_8);
 lean_dec(x_99);
-lean_inc(x_11);
 x_101 = l_Lean_Expr_getRevArg_x21(x_11, x_100);
 x_102 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__23;
 lean_inc(x_5);
@@ -2670,7 +2664,6 @@ x_107 = lean_nat_sub(x_97, x_106);
 lean_dec(x_97);
 x_108 = lean_nat_sub(x_107, x_8);
 lean_dec(x_107);
-lean_inc(x_11);
 x_109 = l_Lean_Expr_getRevArg_x21(x_11, x_108);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -2690,6 +2683,7 @@ lean_ctor_set(x_113, 0, x_111);
 x_114 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___closed__27;
 x_115 = lean_box(0);
 x_116 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_12, x_11, x_1, x_114, x_113, x_115, x_2, x_3, x_4, x_5, x_112);
+lean_dec(x_11);
 return x_116;
 }
 else
@@ -2760,6 +2754,7 @@ _start:
 lean_object* x_12; 
 x_12 = l_Lean_Meta_Linear_Nat_simpCnstr_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_6);
+lean_dec(x_2);
 return x_12;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
index 271704968a..529677fda0 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
@@ -109,6 +109,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_transform___at___private_Lean_Meta_Tactic_S
 static lean_object* l_Lean_Meta_Simp_simp_simpLoop___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_Config_updateArith(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_DefaultMethods_discharge_x3f___lambda__2___closed__8;
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_processCongrHypothesis(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_Simp_simp_mkCongrSimp_x3f___spec__9___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_simp_simpLoop___closed__2;
@@ -315,7 +316,6 @@ LEAN_EXPORT lean_object* l_Std_HashMapImp_moveEntries___at_Lean_Meta_Simp_simp_m
 lean_object* l_instInhabited___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__3;
 static lean_object* l_Lean_Meta_Simp_simp_simpArrow___lambda__4___closed__5;
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___spec__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_tryAutoCongrTheorem_x3f___lambda__4___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Meta_Simp_simp___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1698,7 +1698,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__1;
 x_2 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__2;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1757,7 +1757,7 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_1);
 x_135 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__4;
-x_136 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_135);
+x_136 = l_panic___at_Lean_mkApp___spec__1(x_135);
 x_12 = x_136;
 goto block_123;
 }
@@ -16941,7 +16941,7 @@ lean_dec(x_105);
 lean_dec(x_4);
 lean_dec(x_2);
 x_127 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__4;
-x_128 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_127);
+x_128 = l_panic___at_Lean_mkApp___spec__1(x_127);
 x_129 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_129, 0, x_128);
 lean_ctor_set(x_129, 1, x_89);
@@ -17209,7 +17209,7 @@ lean_dec(x_159);
 lean_dec(x_4);
 lean_dec(x_2);
 x_178 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__4;
-x_179 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_178);
+x_179 = l_panic___at_Lean_mkApp___spec__1(x_178);
 x_180 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_180, 0, x_179);
 lean_ctor_set(x_180, 1, x_168);
@@ -17573,7 +17573,7 @@ lean_dec(x_229);
 lean_dec(x_4);
 lean_dec(x_2);
 x_248 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__4;
-x_249 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_248);
+x_249 = l_panic___at_Lean_mkApp___spec__1(x_248);
 x_250 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_250, 0, x_249);
 lean_ctor_set(x_250, 1, x_238);
@@ -17975,7 +17975,7 @@ lean_dec(x_306);
 lean_dec(x_4);
 lean_dec(x_2);
 x_325 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__4;
-x_326 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_325);
+x_326 = l_panic___at_Lean_mkApp___spec__1(x_325);
 x_327 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_327, 0, x_326);
 lean_ctor_set(x_327, 1, x_315);
@@ -32848,7 +32848,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_mkImpCongr___closed__1;
 x_2 = l_Lean_Meta_Simp_simp_simpProj___lambda__1___closed__1;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Meta_Simp_simp_simpProj___lambda__1___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -32883,7 +32883,7 @@ else
 {
 lean_object* x_75; lean_object* x_76; 
 x_75 = l_Lean_Meta_Simp_simp_simpProj___lambda__1___closed__3;
-x_76 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_75);
+x_76 = l_panic___at_Lean_mkApp___spec__1(x_75);
 x_11 = x_76;
 goto block_68;
 }
@@ -33351,7 +33351,7 @@ else
 lean_object* x_98; lean_object* x_99; 
 lean_dec(x_45);
 x_98 = l_Lean_Meta_Simp_simp_simpProj___lambda__1___closed__3;
-x_99 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_98);
+x_99 = l_panic___at_Lean_mkApp___spec__1(x_98);
 x_47 = x_99;
 goto block_91;
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
index b650e1cc23..2edf318717 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
@@ -60,6 +60,7 @@ static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpTheorems
 lean_object* l_Lean_registerSimpleScopedEnvExtension___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DiscrTree_0__Lean_Meta_DiscrTree_insertAux___at_Lean_Meta_addSimpTheoremEntry___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 static lean_object* l_Lean_Meta_mkSimpAttr___lambda__1___closed__6;
 static lean_object* l_Lean_Meta_mkSimpAttr___lambda__1___closed__25;
 LEAN_EXPORT lean_object* l_Lean_Meta_SimpTheorems_erase___at_Lean_Meta_mkSimpAttr___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -176,7 +177,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_Me
 static size_t l_Std_PersistentHashMap_findAux___at_Lean_Meta_addSimpTheoremEntry___spec__3___closed__2;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_mapM___at___private_Lean_Meta_AppBuilder_0__Lean_Meta_mkFun___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_contains___at_Lean_Meta_SimpTheorems_erase___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getSimpTheorems___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_mkSimpExt___closed__1;
@@ -11676,7 +11676,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_SimpTheorem_getValue___closed__1;
 x_2 = l_Lean_Meta_SimpTheorem_getValue___closed__2;
-x_3 = lean_unsigned_to_nat(1001u);
+x_3 = lean_unsigned_to_nat(1008u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Meta_SimpTheorem_getValue___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -11879,7 +11879,7 @@ lean_object* x_62; lean_object* x_63; lean_object* x_64;
 x_62 = lean_ctor_get(x_41, 0);
 lean_dec(x_62);
 x_63 = l_Lean_Meta_SimpTheorem_getValue___closed__4;
-x_64 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_63);
+x_64 = l_panic___at_Lean_mkApp___spec__1(x_63);
 lean_ctor_set(x_41, 0, x_64);
 return x_41;
 }
@@ -11890,7 +11890,7 @@ x_65 = lean_ctor_get(x_41, 1);
 lean_inc(x_65);
 lean_dec(x_41);
 x_66 = l_Lean_Meta_SimpTheorem_getValue___closed__4;
-x_67 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_66);
+x_67 = l_panic___at_Lean_mkApp___spec__1(x_66);
 x_68 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_68, 0, x_67);
 lean_ctor_set(x_68, 1, x_65);
@@ -11981,7 +11981,7 @@ if (lean_is_exclusive(x_73)) {
  x_85 = lean_box(0);
 }
 x_86 = l_Lean_Meta_SimpTheorem_getValue___closed__4;
-x_87 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_86);
+x_87 = l_panic___at_Lean_mkApp___spec__1(x_86);
 if (lean_is_scalar(x_85)) {
  x_88 = lean_alloc_ctor(0, 2, 0);
 } else {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Split.c b/stage0/stdlib/Lean/Meta/Tactic/Split.c
index fe6385b5a3..cd824bc73b 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Split.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Split.c
@@ -4953,6 +4953,7 @@ lean_object* x_31; lean_object* x_32; uint8_t x_33;
 lean_dec(x_1);
 x_31 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
 x_32 = l_Lean_Expr_getRevArg_x21(x_4, x_31);
+lean_dec(x_4);
 x_33 = l_Lean_Expr_hasLooseBVars(x_32);
 lean_dec(x_32);
 if (x_33 == 0)
@@ -4977,6 +4978,7 @@ lean_object* x_38; lean_object* x_39; uint8_t x_40;
 lean_dec(x_1);
 x_38 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
 x_39 = l_Lean_Expr_getRevArg_x21(x_4, x_38);
+lean_dec(x_4);
 x_40 = l_Lean_Expr_hasLooseBVars(x_39);
 lean_dec(x_39);
 if (x_40 == 0)
@@ -5144,7 +5146,6 @@ else
 {
 lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_13 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
-lean_inc(x_10);
 x_14 = l_Lean_Expr_getRevArg_x21(x_10, x_13);
 x_15 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_14);
 if (lean_obj_tag(x_15) == 0)
@@ -5179,7 +5180,6 @@ else
 lean_object* x_19; lean_object* x_20; lean_object* x_21; 
 lean_dec(x_4);
 x_19 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
-lean_inc(x_10);
 x_20 = l_Lean_Expr_getRevArg_x21(x_10, x_19);
 x_21 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_20);
 if (lean_obj_tag(x_21) == 0)
@@ -5234,7 +5234,6 @@ else
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; 
 x_29 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
-lean_inc(x_25);
 x_30 = l_Lean_Expr_getRevArg_x21(x_25, x_29);
 x_31 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_30);
 if (lean_obj_tag(x_31) == 0)
@@ -5272,7 +5271,6 @@ else
 lean_object* x_36; lean_object* x_37; lean_object* x_38; 
 lean_dec(x_4);
 x_36 = l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
-lean_inc(x_25);
 x_37 = l_Lean_Expr_getRevArg_x21(x_25, x_36);
 x_38 = l_Lean_Meta_Split_findSplit_x3f_go(x_1, x_2, x_3, x_37);
 if (lean_obj_tag(x_38) == 0)
diff --git a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
index 99306e533f..876c294da7 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
@@ -2996,7 +2996,6 @@ x_3 = l_Lean_Expr_isDIte(x_1);
 if (x_3 == 0)
 {
 uint8_t x_4; 
-lean_dec(x_1);
 x_4 = 0;
 return x_4;
 }
@@ -3073,6 +3072,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9;
 x_6 = lean_ctor_get(x_3, 0);
 x_7 = l_Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
 x_8 = l_Lean_Expr_getRevArg_x21(x_6, x_7);
+lean_dec(x_6);
 lean_inc(x_8);
 x_9 = l_Lean_Meta_SplitIf_findIfToSplit_x3f(x_8);
 if (lean_obj_tag(x_9) == 0)
@@ -3110,6 +3110,7 @@ lean_inc(x_13);
 lean_dec(x_3);
 x_14 = l_Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1___closed__2;
 x_15 = l_Lean_Expr_getRevArg_x21(x_13, x_14);
+lean_dec(x_13);
 lean_inc(x_15);
 x_16 = l_Lean_Meta_SplitIf_findIfToSplit_x3f(x_15);
 if (lean_obj_tag(x_16) == 0)
@@ -3149,6 +3150,7 @@ _start:
 {
 uint8_t x_2; lean_object* x_3; 
 x_2 = l_Lean_Meta_SplitIf_findIfToSplit_x3f___lambda__1(x_1);
+lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Util.c b/stage0/stdlib/Lean/Meta/Tactic/Util.c
index d893318c15..dc72f66dca 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Util.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Util.c
@@ -35,7 +35,7 @@ lean_object* lean_name_mk_string(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_throwTacticEx(lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Meta_saturate_go___spec__2___closed__2;
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__1(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_checkNotAssigned___closed__3;
 extern lean_object* l_Lean_maxRecDepthErrorMessage;
@@ -1502,7 +1502,7 @@ lean_inc(x_3);
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
 x_5 = lean_array_get_size(x_4);
-x_6 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_6 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_7 = lean_uint64_to_usize(x_6);
 x_8 = lean_usize_modn(x_7, x_5);
 lean_dec(x_5);
@@ -3247,7 +3247,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8;
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 1);
 x_6 = lean_array_get_size(x_1);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_4);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_4);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = lean_usize_modn(x_8, x_6);
 lean_dec(x_6);
@@ -3267,7 +3267,7 @@ lean_inc(x_14);
 lean_inc(x_13);
 lean_dec(x_2);
 x_15 = lean_array_get_size(x_1);
-x_16 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_13);
+x_16 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_13);
 x_17 = lean_uint64_to_usize(x_16);
 x_18 = lean_usize_modn(x_17, x_15);
 lean_dec(x_15);
@@ -3407,7 +3407,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8;
 x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
 x_6 = lean_array_get_size(x_5);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = lean_usize_modn(x_8, x_6);
 x_10 = lean_array_uget(x_5, x_9);
@@ -3459,7 +3459,7 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
 x_22 = lean_array_get_size(x_21);
-x_23 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_23 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_24 = lean_uint64_to_usize(x_23);
 x_25 = lean_usize_modn(x_24, x_22);
 x_26 = lean_array_uget(x_21, x_25);
@@ -5070,7 +5070,7 @@ _start:
 lean_object* x_3; lean_object* x_4; uint64_t x_5; size_t x_6; size_t x_7; lean_object* x_8; uint8_t x_9; 
 x_3 = lean_ctor_get(x_1, 1);
 x_4 = lean_array_get_size(x_3);
-x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_6 = lean_uint64_to_usize(x_5);
 x_7 = lean_usize_modn(x_6, x_4);
 lean_dec(x_4);
diff --git a/stage0/stdlib/Lean/Meta/Transform.c b/stage0/stdlib/Lean/Meta/Transform.c
index c059263739..23c50eb00d 100644
--- a/stage0/stdlib/Lean/Meta/Transform.c
+++ b/stage0/stdlib/Lean/Meta/Transform.c
@@ -42,6 +42,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitLet___rarg___lambda__4
 LEAN_EXPORT lean_object* l_Lean_setEnv___at_Lean_Meta_unfoldDeclsFrom___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_transform_visit_visitPost___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_betaReduce___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_transform_visit___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -112,7 +113,6 @@ lean_object* l_ST_Prim_Ref_get___boxed(lean_object*, lean_object*, lean_object*,
 lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_transform_visit_visitPost(lean_object*);
 static lean_object* l_Lean_Core_transform_visit___rarg___lambda__4___closed__2;
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_transform_visit___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_transform_visit___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Core_transform___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -674,7 +674,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__1;
 x_2 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__2;
-x_3 = lean_unsigned_to_nat(1060u);
+x_3 = lean_unsigned_to_nat(1067u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -726,7 +726,7 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_1);
 x_24 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__4;
-x_25 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_24);
+x_25 = l_panic___at_Lean_mkApp___spec__1(x_24);
 x_26 = l_Lean_Core_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_25, x_8);
 return x_26;
 }
@@ -780,7 +780,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__1;
 x_2 = l_Lean_Core_transform_visit___rarg___lambda__4___closed__1;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_Core_transform_visit___rarg___lambda__4___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -832,7 +832,7 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_1);
 x_24 = l_Lean_Core_transform_visit___rarg___lambda__4___closed__3;
-x_25 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_24);
+x_25 = l_panic___at_Lean_mkApp___spec__1(x_24);
 x_26 = l_Lean_Core_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_25, x_8);
 return x_26;
 }
@@ -886,7 +886,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__1;
 x_2 = l_Lean_Core_transform_visit___rarg___lambda__6___closed__1;
-x_3 = lean_unsigned_to_nat(1069u);
+x_3 = lean_unsigned_to_nat(1076u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_Core_transform_visit___rarg___lambda__6___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -939,7 +939,7 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_1);
 x_23 = l_Lean_Core_transform_visit___rarg___lambda__6___closed__3;
-x_24 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_23);
+x_24 = l_panic___at_Lean_mkApp___spec__1(x_23);
 x_25 = l_Lean_Core_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_24, x_8);
 return x_25;
 }
@@ -1023,7 +1023,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__1;
 x_2 = l_Lean_Core_transform_visit___rarg___lambda__9___closed__1;
-x_3 = lean_unsigned_to_nat(1027u);
+x_3 = lean_unsigned_to_nat(1034u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_Core_transform_visit___rarg___lambda__9___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1068,7 +1068,7 @@ lean_object* x_19; lean_object* x_20; lean_object* x_21;
 lean_dec(x_9);
 lean_dec(x_1);
 x_19 = l_Lean_Core_transform_visit___rarg___lambda__9___closed__3;
-x_20 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_19);
+x_20 = l_panic___at_Lean_mkApp___spec__1(x_19);
 x_21 = l_Lean_Core_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_20, x_8);
 return x_21;
 }
@@ -1096,7 +1096,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Core_transform_visit___rarg___lambda__2___closed__1;
 x_2 = l_Lean_Core_transform_visit___rarg___lambda__10___closed__1;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_Core_transform_visit___rarg___lambda__10___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1144,7 +1144,7 @@ lean_object* x_20; lean_object* x_21; lean_object* x_22;
 lean_dec(x_9);
 lean_dec(x_1);
 x_20 = l_Lean_Core_transform_visit___rarg___lambda__10___closed__3;
-x_21 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_20);
+x_21 = l_panic___at_Lean_mkApp___spec__1(x_20);
 x_22 = l_Lean_Core_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_21, x_8);
 return x_22;
 }
@@ -4608,7 +4608,7 @@ lean_object* x_20; lean_object* x_21; lean_object* x_22;
 lean_dec(x_10);
 lean_dec(x_1);
 x_20 = l_Lean_Core_transform_visit___rarg___lambda__9___closed__3;
-x_21 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_20);
+x_21 = l_panic___at_Lean_mkApp___spec__1(x_20);
 x_22 = l_Lean_Meta_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_21, x_9);
 return x_22;
 }
@@ -4655,7 +4655,7 @@ lean_object* x_21; lean_object* x_22; lean_object* x_23;
 lean_dec(x_10);
 lean_dec(x_1);
 x_21 = l_Lean_Core_transform_visit___rarg___lambda__10___closed__3;
-x_22 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_21);
+x_22 = l_panic___at_Lean_mkApp___spec__1(x_21);
 x_23 = l_Lean_Meta_transform_visit_visitPost___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_22, x_9);
 return x_23;
 }
diff --git a/stage0/stdlib/Lean/Meta/WHNF.c b/stage0/stdlib/Lean/Meta/WHNF.c
index 069d0a1895..a431ef070f 100644
--- a/stage0/stdlib/Lean/Meta/WHNF.c
+++ b/stage0/stdlib/Lean/Meta/WHNF.c
@@ -9656,6 +9656,7 @@ x_31 = lean_unsigned_to_nat(1u);
 x_32 = lean_nat_sub(x_30, x_31);
 lean_dec(x_30);
 x_33 = l_Lean_Expr_getRevArg_x21(x_12, x_32);
+lean_dec(x_12);
 lean_ctor_set(x_19, 0, x_33);
 lean_ctor_set(x_15, 0, x_19);
 return x_15;
@@ -9712,6 +9713,7 @@ x_44 = lean_unsigned_to_nat(1u);
 x_45 = lean_nat_sub(x_43, x_44);
 lean_dec(x_43);
 x_46 = l_Lean_Expr_getRevArg_x21(x_12, x_45);
+lean_dec(x_12);
 x_47 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_47, 0, x_46);
 lean_ctor_set(x_15, 0, x_47);
@@ -9801,6 +9803,7 @@ x_66 = lean_unsigned_to_nat(1u);
 x_67 = lean_nat_sub(x_65, x_66);
 lean_dec(x_65);
 x_68 = l_Lean_Expr_getRevArg_x21(x_12, x_67);
+lean_dec(x_12);
 if (lean_is_scalar(x_56)) {
  x_69 = lean_alloc_ctor(1, 1, 0);
 } else {
@@ -9940,6 +9943,7 @@ x_98 = lean_unsigned_to_nat(1u);
 x_99 = lean_nat_sub(x_97, x_98);
 lean_dec(x_97);
 x_100 = l_Lean_Expr_getRevArg_x21(x_76, x_99);
+lean_dec(x_76);
 if (lean_is_scalar(x_88)) {
  x_101 = lean_alloc_ctor(1, 1, 0);
 } else {
diff --git a/stage0/stdlib/Lean/MetavarContext.c b/stage0/stdlib/Lean/MetavarContext.c
index 0baf40d85c..fb1e6885aa 100644
--- a/stage0/stdlib/Lean/MetavarContext.c
+++ b/stage0/stdlib/Lean/MetavarContext.c
@@ -171,6 +171,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_L
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_localDeclDependsOn___spec__21___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_exprDependsOn_x27___spec__5(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_MetavarContext_assignExpr___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_panic___at_Lean_mkApp___spec__1(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_localDeclDependsOn_x27___spec__34(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__14___closed__2;
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_MetavarContext_instantiateExprMVars___spec__2___boxed(lean_object*, lean_object*);
@@ -589,7 +590,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarConte
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_elimMVarDeps(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_MkBinding_instToStringException___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_instantiateMVars___spec__32___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_MetavarContext_assignDelayed___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_StateRefT_x27_get___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__1___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__60___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -15808,7 +15808,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__2;
-x_3 = lean_unsigned_to_nat(1010u);
+x_3 = lean_unsigned_to_nat(1017u);
 x_4 = lean_unsigned_to_nat(16u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15862,7 +15862,7 @@ x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
 x_16 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__4;
-x_17 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_16);
+x_17 = l_panic___at_Lean_mkApp___spec__1(x_16);
 x_18 = lean_apply_2(x_15, lean_box(0), x_17);
 return x_18;
 }
@@ -15890,7 +15890,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__11___closed__1;
-x_3 = lean_unsigned_to_nat(1001u);
+x_3 = lean_unsigned_to_nat(1008u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__11___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15947,7 +15947,7 @@ x_16 = lean_ctor_get(x_15, 1);
 lean_inc(x_16);
 lean_dec(x_15);
 x_17 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__11___closed__3;
-x_18 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_17);
+x_18 = l_panic___at_Lean_mkApp___spec__1(x_17);
 x_19 = lean_apply_2(x_16, lean_box(0), x_18);
 return x_19;
 }
@@ -15975,7 +15975,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__12___closed__1;
-x_3 = lean_unsigned_to_nat(1060u);
+x_3 = lean_unsigned_to_nat(1067u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__12___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16039,7 +16039,7 @@ x_21 = lean_ctor_get(x_20, 1);
 lean_inc(x_21);
 lean_dec(x_20);
 x_22 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__12___closed__3;
-x_23 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_22);
+x_23 = l_panic___at_Lean_mkApp___spec__1(x_22);
 x_24 = lean_apply_2(x_21, lean_box(0), x_23);
 return x_24;
 }
@@ -16081,7 +16081,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__14___closed__1;
-x_3 = lean_unsigned_to_nat(1046u);
+x_3 = lean_unsigned_to_nat(1053u);
 x_4 = lean_unsigned_to_nat(23u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__14___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16145,7 +16145,7 @@ x_21 = lean_ctor_get(x_20, 1);
 lean_inc(x_21);
 lean_dec(x_20);
 x_22 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__14___closed__3;
-x_23 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_22);
+x_23 = l_panic___at_Lean_mkApp___spec__1(x_22);
 x_24 = lean_apply_2(x_21, lean_box(0), x_23);
 return x_24;
 }
@@ -16187,7 +16187,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__16___closed__1;
-x_3 = lean_unsigned_to_nat(1069u);
+x_3 = lean_unsigned_to_nat(1076u);
 x_4 = lean_unsigned_to_nat(22u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__16___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16252,7 +16252,7 @@ x_20 = lean_ctor_get(x_19, 1);
 lean_inc(x_20);
 lean_dec(x_19);
 x_21 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__16___closed__3;
-x_22 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_21);
+x_22 = l_panic___at_Lean_mkApp___spec__1(x_21);
 x_23 = lean_apply_2(x_20, lean_box(0), x_22);
 return x_23;
 }
@@ -16320,7 +16320,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__19___closed__1;
-x_3 = lean_unsigned_to_nat(1027u);
+x_3 = lean_unsigned_to_nat(1034u);
 x_4 = lean_unsigned_to_nat(19u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__19___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16377,7 +16377,7 @@ x_16 = lean_ctor_get(x_15, 1);
 lean_inc(x_16);
 lean_dec(x_15);
 x_17 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__19___closed__3;
-x_18 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_17);
+x_18 = l_panic___at_Lean_mkApp___spec__1(x_17);
 x_19 = lean_apply_2(x_16, lean_box(0), x_18);
 return x_19;
 }
@@ -16405,7 +16405,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__10___closed__1;
 x_2 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__20___closed__1;
-x_3 = lean_unsigned_to_nat(1032u);
+x_3 = lean_unsigned_to_nat(1039u);
 x_4 = lean_unsigned_to_nat(20u);
 x_5 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__20___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -16465,7 +16465,7 @@ x_17 = lean_ctor_get(x_16, 1);
 lean_inc(x_17);
 lean_dec(x_16);
 x_18 = l_Lean_MetavarContext_instantiateExprMVars___rarg___lambda__20___closed__3;
-x_19 = l_panic___at_Lean_Expr_getRevArg_x21___spec__1(x_18);
+x_19 = l_panic___at_Lean_mkApp___spec__1(x_18);
 x_20 = lean_apply_2(x_17, lean_box(0), x_19);
 return x_20;
 }
diff --git a/stage0/stdlib/Lean/ParserCompiler.c b/stage0/stdlib/Lean/ParserCompiler.c
index d315afe4ac..e5cf0e8c48 100644
--- a/stage0/stdlib/Lean/ParserCompiler.c
+++ b/stage0/stdlib/Lean/ParserCompiler.c
@@ -1288,6 +1288,7 @@ x_30 = lean_unsigned_to_nat(1u);
 x_31 = lean_nat_sub(x_29, x_30);
 lean_dec(x_29);
 x_32 = l_Lean_Expr_getRevArg_x21(x_8, x_31);
+lean_dec(x_8);
 x_33 = l_Lean_Meta_reduceEval___at_Lean_ParserCompiler_parserNodeKind_x3f___spec__1(x_32, x_2, x_3, x_4, x_5, x_9);
 if (lean_obj_tag(x_33) == 0)
 {
@@ -1359,6 +1360,7 @@ x_50 = lean_unsigned_to_nat(1u);
 x_51 = lean_nat_sub(x_49, x_50);
 lean_dec(x_49);
 x_52 = l_Lean_Expr_getRevArg_x21(x_8, x_51);
+lean_dec(x_8);
 x_53 = l_Lean_Meta_reduceEval___at_Lean_ParserCompiler_parserNodeKind_x3f___spec__1(x_52, x_2, x_3, x_4, x_5, x_9);
 if (lean_obj_tag(x_53) == 0)
 {
@@ -1430,6 +1432,7 @@ x_70 = lean_unsigned_to_nat(1u);
 x_71 = lean_nat_sub(x_69, x_70);
 lean_dec(x_69);
 x_72 = l_Lean_Expr_getRevArg_x21(x_8, x_71);
+lean_dec(x_8);
 x_73 = l_Lean_Meta_reduceEval___at_Lean_ParserCompiler_parserNodeKind_x3f___spec__1(x_72, x_2, x_3, x_4, x_5, x_9);
 if (lean_obj_tag(x_73) == 0)
 {
@@ -1501,6 +1504,7 @@ lean_dec(x_88);
 x_91 = lean_nat_sub(x_90, x_89);
 lean_dec(x_90);
 x_92 = l_Lean_Expr_getRevArg_x21(x_8, x_91);
+lean_dec(x_8);
 x_1 = x_92;
 x_6 = x_9;
 goto _start;
@@ -1518,6 +1522,7 @@ lean_dec(x_95);
 x_98 = lean_nat_sub(x_97, x_96);
 lean_dec(x_97);
 x_99 = l_Lean_Expr_getRevArg_x21(x_8, x_98);
+lean_dec(x_8);
 x_100 = l_Lean_Meta_reduceEval___at_Lean_ParserCompiler_parserNodeKind_x3f___spec__1(x_99, x_2, x_3, x_4, x_5, x_9);
 if (lean_obj_tag(x_100) == 0)
 {
diff --git a/stage0/stdlib/Lean/PrettyPrinter/Delaborator/Builtins.c b/stage0/stdlib/Lean/PrettyPrinter/Delaborator/Builtins.c
index d680229e85..690a98599b 100644
--- a/stage0/stdlib/Lean/PrettyPrinter/Delaborator/Builtins.c
+++ b/stage0/stdlib/Lean/PrettyPrinter/Delaborator/Builtins.c
@@ -25283,7 +25283,6 @@ x_15 = lean_nat_sub(x_10, x_14);
 x_16 = lean_unsigned_to_nat(1u);
 x_17 = lean_nat_sub(x_15, x_16);
 lean_dec(x_15);
-lean_inc(x_1);
 x_18 = l_Lean_Expr_getRevArg_x21(x_1, x_17);
 if (lean_obj_tag(x_18) == 9)
 {
@@ -25301,7 +25300,6 @@ x_21 = lean_unsigned_to_nat(4u);
 x_22 = lean_nat_sub(x_10, x_21);
 x_23 = lean_nat_sub(x_22, x_16);
 lean_dec(x_22);
-lean_inc(x_1);
 x_24 = l_Lean_Expr_getRevArg_x21(x_1, x_23);
 if (lean_obj_tag(x_24) == 9)
 {
@@ -25321,6 +25319,7 @@ lean_dec(x_10);
 x_29 = lean_nat_sub(x_28, x_16);
 lean_dec(x_28);
 x_30 = l_Lean_Expr_getRevArg_x21(x_1, x_29);
+lean_dec(x_1);
 if (lean_obj_tag(x_30) == 4)
 {
 lean_object* x_31; 
diff --git a/stage0/stdlib/Lean/Server/References.c b/stage0/stdlib/Lean/Server/References.c
index 71155f687a..dcb9f67b1b 100644
--- a/stage0/stdlib/Lean/Server/References.c
+++ b/stage0/stdlib/Lean/Server/References.c
@@ -35,7 +35,7 @@ uint8_t lean_usize_dec_eq(size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_HashMapImp_erase___at_Lean_Server_References_removeWorkerRefs___spec__1(lean_object*, lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Std_AssocList_erase___at_Lean_Server_References_removeWorkerRefs___spec__2(lean_object*, lean_object*);
-uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(lean_object*);
+uint64_t l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 uint64_t l___private_Lean_Data_Lsp_Internal_0__Lean_Lsp_hashRefIdent____x40_Lean_Data_Lsp_Internal___hyg_106_(lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashMapImp_moveEntries___at_Lean_Server_combineFvars___spec__8(lean_object*, lean_object*, lean_object*);
@@ -1827,7 +1827,7 @@ x_3 = lean_ctor_get(x_1, 1);
 lean_inc(x_3);
 lean_dec(x_1);
 x_4 = lean_array_get_size(x_3);
-x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_5 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_6 = lean_uint64_to_usize(x_5);
 x_7 = lean_usize_modn(x_6, x_4);
 lean_dec(x_4);
@@ -2346,7 +2346,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8;
 x_4 = lean_ctor_get(x_2, 0);
 x_5 = lean_ctor_get(x_2, 2);
 x_6 = lean_array_get_size(x_1);
-x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_4);
+x_7 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_4);
 x_8 = lean_uint64_to_usize(x_7);
 x_9 = lean_usize_modn(x_8, x_6);
 lean_dec(x_6);
@@ -2368,7 +2368,7 @@ lean_inc(x_14);
 lean_inc(x_13);
 lean_dec(x_2);
 x_16 = lean_array_get_size(x_1);
-x_17 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_13);
+x_17 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_13);
 x_18 = lean_uint64_to_usize(x_17);
 x_19 = lean_usize_modn(x_18, x_16);
 lean_dec(x_16);
@@ -2518,7 +2518,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; uint64_t x_8; size_t x_9;
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
 x_7 = lean_array_get_size(x_6);
-x_8 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_8 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_9 = lean_uint64_to_usize(x_8);
 x_10 = lean_usize_modn(x_9, x_7);
 x_11 = lean_array_uget(x_6, x_10);
@@ -2571,7 +2571,7 @@ lean_inc(x_23);
 lean_inc(x_22);
 lean_dec(x_1);
 x_24 = lean_array_get_size(x_23);
-x_25 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1732_(x_2);
+x_25 = l___private_Lean_Expr_0__Lean_hashFVarId____x40_Lean_Expr___hyg_1754_(x_2);
 x_26 = lean_uint64_to_usize(x_25);
 x_27 = lean_usize_modn(x_26, x_24);
 x_28 = lean_array_uget(x_23, x_27);
diff --git a/stage0/stdlib/Lean/Util.c b/stage0/stdlib/Lean/Util.c
index 1610fe4871..8d2fcb482b 100644
--- a/stage0/stdlib/Lean/Util.c
+++ b/stage0/stdlib/Lean/Util.c
@@ -1,6 +1,6 @@
 // Lean compiler output
 // Module: Lean.Util
-// Imports: Init Lean.Util.CollectFVars Lean.Util.CollectLevelParams Lean.Util.CollectMVars Lean.Util.FindMVar Lean.Util.FindLevelMVar Lean.Util.MonadCache Lean.Util.PPExt Lean.Util.Path Lean.Util.Profile Lean.Util.RecDepth Lean.Util.Sorry Lean.Util.Trace Lean.Util.FindExpr Lean.Util.ReplaceExpr Lean.Util.ForEachExpr Lean.Util.ReplaceLevel Lean.Util.FoldConsts Lean.Util.SCC Lean.Util.OccursCheck Lean.Util.Paths
+// Imports: Init Lean.Util.CollectFVars Lean.Util.CollectLevelParams Lean.Util.CollectMVars Lean.Util.FindMVar Lean.Util.FindLevelMVar Lean.Util.MonadCache Lean.Util.PPExt Lean.Util.Path Lean.Util.Profile Lean.Util.RecDepth Lean.Util.Sorry Lean.Util.Trace Lean.Util.FindExpr Lean.Util.ReplaceExpr Lean.Util.ForEachExpr Lean.Util.ReplaceLevel Lean.Util.FoldConsts Lean.Util.SCC Lean.Util.OccursCheck Lean.Util.Paths Lean.Util.HasConstCache
 #include <lean/lean.h>
 #if defined(__clang__)
 #pragma clang diagnostic ignored "-Wunused-parameter"
@@ -34,6 +34,7 @@ lean_object* initialize_Lean_Util_FoldConsts(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Util_SCC(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Util_OccursCheck(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Util_Paths(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Util_HasConstCache(uint8_t builtin, lean_object*);
 static bool _G_initialized = false;
 LEAN_EXPORT lean_object* initialize_Lean_Util(uint8_t builtin, lean_object* w) {
 lean_object * res;
@@ -102,6 +103,9 @@ lean_dec_ref(res);
 res = initialize_Lean_Util_Paths(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+res = initialize_Lean_Util_HasConstCache(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Util/HasConstCache.c b/stage0/stdlib/Lean/Util/HasConstCache.c
new file mode 100644
index 0000000000..1c993a90eb
--- /dev/null
+++ b/stage0/stdlib/Lean/Util/HasConstCache.c
@@ -0,0 +1,835 @@
+// Lean compiler output
+// Module: Lean.Util.HasConstCache
+// Imports: Init Lean.Expr
+#include <lean/lean.h>
+#if defined(__clang__)
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma clang diagnostic ignored "-Wunused-label"
+#elif defined(__GNUC__) && !defined(__CLANG__)
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wunused-label"
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* lean_array_uget(lean_object*, size_t);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___boxed(lean_object*);
+lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2___boxed(lean_object*, lean_object*);
+uint8_t lean_name_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_foldlM___at_Lean_HasConstCache_containsUnsafe_cache___spec__4(lean_object*, lean_object*);
+lean_object* lean_array_get_size(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___rarg___boxed(lean_object*, lean_object*, lean_object*);
+uint8_t l_Lean_Expr_ptrEq(lean_object*, lean_object*);
+lean_object* lean_nat_add(lean_object*, lean_object*);
+size_t lean_uint64_to_usize(uint64_t);
+LEAN_EXPORT lean_object* l_Std_HashMapImp_expand___at_Lean_HasConstCache_containsUnsafe_cache___spec__2(lean_object*, lean_object*);
+lean_object* lean_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_HashMapImp_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__1(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1(lean_object*, lean_object*);
+lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1___boxed(lean_object*, lean_object*);
+uint64_t l_Lean_Expr_hash(lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_cache___default;
+size_t lean_usize_modn(size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(lean_object*, uint8_t, lean_object*);
+uint8_t lean_nat_dec_le(lean_object*, lean_object*);
+static lean_object* l_Lean_HasConstCache_cache___default___closed__1;
+lean_object* lean_nat_mul(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___rarg(lean_object*, uint8_t, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache(lean_object*);
+lean_object* lean_mk_array(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_HashMapImp_moveEntries___at_Lean_HasConstCache_containsUnsafe_cache___spec__3(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5___boxed(lean_object*, lean_object*, lean_object*);
+uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+static lean_object* _init_l_Lean_HasConstCache_cache___default___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(0u);
+x_2 = l_Std_mkHashMapImp___rarg(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_HasConstCache_cache___default() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_HasConstCache_cache___default___closed__1;
+return x_1;
+}
+}
+LEAN_EXPORT uint8_t l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+uint8_t x_3; 
+x_3 = 0;
+return x_3;
+}
+else
+{
+lean_object* x_4; lean_object* x_5; uint8_t x_6; 
+x_4 = lean_ctor_get(x_2, 0);
+x_5 = lean_ctor_get(x_2, 2);
+x_6 = l_Lean_Expr_ptrEq(x_4, x_1);
+if (x_6 == 0)
+{
+x_2 = x_5;
+goto _start;
+}
+else
+{
+uint8_t x_8; 
+x_8 = 1;
+return x_8;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_AssocList_foldlM___at_Lean_HasConstCache_containsUnsafe_cache___spec__4(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+return x_1;
+}
+else
+{
+uint8_t x_3; 
+x_3 = !lean_is_exclusive(x_2);
+if (x_3 == 0)
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; uint64_t x_7; size_t x_8; size_t x_9; lean_object* x_10; lean_object* x_11; 
+x_4 = lean_ctor_get(x_2, 0);
+x_5 = lean_ctor_get(x_2, 2);
+x_6 = lean_array_get_size(x_1);
+x_7 = l_Lean_Expr_hash(x_4);
+x_8 = lean_uint64_to_usize(x_7);
+x_9 = lean_usize_modn(x_8, x_6);
+lean_dec(x_6);
+x_10 = lean_array_uget(x_1, x_9);
+lean_ctor_set(x_2, 2, x_10);
+x_11 = lean_array_uset(x_1, x_9, x_2);
+x_1 = x_11;
+x_2 = x_5;
+goto _start;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint64_t x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_13 = lean_ctor_get(x_2, 0);
+x_14 = lean_ctor_get(x_2, 1);
+x_15 = lean_ctor_get(x_2, 2);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_2);
+x_16 = lean_array_get_size(x_1);
+x_17 = l_Lean_Expr_hash(x_13);
+x_18 = lean_uint64_to_usize(x_17);
+x_19 = lean_usize_modn(x_18, x_16);
+lean_dec(x_16);
+x_20 = lean_array_uget(x_1, x_19);
+x_21 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_21, 0, x_13);
+lean_ctor_set(x_21, 1, x_14);
+lean_ctor_set(x_21, 2, x_20);
+x_22 = lean_array_uset(x_1, x_19, x_21);
+x_1 = x_22;
+x_2 = x_15;
+goto _start;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_HashMapImp_moveEntries___at_Lean_HasConstCache_containsUnsafe_cache___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; uint8_t x_5; 
+x_4 = lean_array_get_size(x_2);
+x_5 = lean_nat_dec_lt(x_1, x_4);
+lean_dec(x_4);
+if (x_5 == 0)
+{
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+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_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_Std_AssocList_foldlM___at_Lean_HasConstCache_containsUnsafe_cache___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);
+x_1 = x_11;
+x_2 = x_8;
+x_3 = x_9;
+goto _start;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_HashMapImp_expand___at_Lean_HasConstCache_containsUnsafe_cache___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; 
+x_3 = lean_array_get_size(x_2);
+x_4 = lean_unsigned_to_nat(2u);
+x_5 = lean_nat_mul(x_3, x_4);
+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_HashMapImp_moveEntries___at_Lean_HasConstCache_containsUnsafe_cache___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_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
+_start:
+{
+if (lean_obj_tag(x_3) == 0)
+{
+lean_object* x_4; 
+lean_dec(x_1);
+x_4 = lean_box(0);
+return x_4;
+}
+else
+{
+uint8_t x_5; 
+x_5 = !lean_is_exclusive(x_3);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_6 = lean_ctor_get(x_3, 0);
+x_7 = lean_ctor_get(x_3, 1);
+x_8 = lean_ctor_get(x_3, 2);
+x_9 = l_Lean_Expr_ptrEq(x_6, x_1);
+if (x_9 == 0)
+{
+lean_object* x_10; 
+x_10 = l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(x_1, x_2, x_8);
+lean_ctor_set(x_3, 2, x_10);
+return x_3;
+}
+else
+{
+lean_object* x_11; 
+lean_dec(x_7);
+lean_dec(x_6);
+x_11 = lean_box(x_2);
+lean_ctor_set(x_3, 1, x_11);
+lean_ctor_set(x_3, 0, x_1);
+return x_3;
+}
+}
+else
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
+x_12 = lean_ctor_get(x_3, 0);
+x_13 = lean_ctor_get(x_3, 1);
+x_14 = lean_ctor_get(x_3, 2);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_3);
+x_15 = l_Lean_Expr_ptrEq(x_12, x_1);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; 
+x_16 = l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(x_1, x_2, x_14);
+x_17 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_17, 0, x_12);
+lean_ctor_set(x_17, 1, x_13);
+lean_ctor_set(x_17, 2, x_16);
+return x_17;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; 
+lean_dec(x_13);
+lean_dec(x_12);
+x_18 = lean_box(x_2);
+x_19 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_19, 0, x_1);
+lean_ctor_set(x_19, 1, x_18);
+lean_ctor_set(x_19, 2, x_14);
+return x_19;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; 
+x_4 = !lean_is_exclusive(x_3);
+if (x_4 == 0)
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; uint64_t x_8; size_t x_9; size_t x_10; lean_object* x_11; uint8_t x_12; 
+x_5 = lean_ctor_get(x_3, 0);
+x_6 = lean_ctor_get(x_3, 1);
+x_7 = lean_array_get_size(x_6);
+x_8 = l_Lean_Expr_hash(x_1);
+x_9 = lean_uint64_to_usize(x_8);
+x_10 = lean_usize_modn(x_9, x_7);
+x_11 = lean_array_uget(x_6, x_10);
+x_12 = l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1(x_1, x_11);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_13 = lean_unsigned_to_nat(1u);
+x_14 = lean_nat_add(x_5, x_13);
+lean_dec(x_5);
+x_15 = lean_box(x_2);
+x_16 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_16, 0, x_1);
+lean_ctor_set(x_16, 1, x_15);
+lean_ctor_set(x_16, 2, x_11);
+x_17 = lean_array_uset(x_6, x_10, x_16);
+x_18 = l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(x_14);
+x_19 = lean_nat_dec_le(x_18, x_7);
+lean_dec(x_7);
+lean_dec(x_18);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+lean_free_object(x_3);
+x_20 = l_Std_HashMapImp_expand___at_Lean_HasConstCache_containsUnsafe_cache___spec__2(x_14, x_17);
+x_21 = lean_box(x_2);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_20);
+return x_22;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; 
+lean_ctor_set(x_3, 1, x_17);
+lean_ctor_set(x_3, 0, x_14);
+x_23 = lean_box(x_2);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_3);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_dec(x_7);
+x_25 = l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(x_1, x_2, x_11);
+x_26 = lean_array_uset(x_6, x_10, x_25);
+lean_ctor_set(x_3, 1, x_26);
+x_27 = lean_box(x_2);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_3);
+return x_28;
+}
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; uint64_t x_32; size_t x_33; size_t x_34; lean_object* x_35; uint8_t x_36; 
+x_29 = lean_ctor_get(x_3, 0);
+x_30 = lean_ctor_get(x_3, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_3);
+x_31 = lean_array_get_size(x_30);
+x_32 = l_Lean_Expr_hash(x_1);
+x_33 = lean_uint64_to_usize(x_32);
+x_34 = lean_usize_modn(x_33, x_31);
+x_35 = lean_array_uget(x_30, x_34);
+x_36 = l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1(x_1, x_35);
+if (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; uint8_t x_43; 
+x_37 = lean_unsigned_to_nat(1u);
+x_38 = lean_nat_add(x_29, x_37);
+lean_dec(x_29);
+x_39 = lean_box(x_2);
+x_40 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_40, 0, x_1);
+lean_ctor_set(x_40, 1, x_39);
+lean_ctor_set(x_40, 2, x_35);
+x_41 = lean_array_uset(x_30, x_34, x_40);
+x_42 = l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(x_38);
+x_43 = lean_nat_dec_le(x_42, x_31);
+lean_dec(x_31);
+lean_dec(x_42);
+if (x_43 == 0)
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = l_Std_HashMapImp_expand___at_Lean_HasConstCache_containsUnsafe_cache___spec__2(x_38, x_41);
+x_45 = lean_box(x_2);
+x_46 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_44);
+return x_46;
+}
+else
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_38);
+lean_ctor_set(x_47, 1, x_41);
+x_48 = lean_box(x_2);
+x_49 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_49, 0, x_48);
+lean_ctor_set(x_49, 1, x_47);
+return x_49;
+}
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+lean_dec(x_31);
+x_50 = l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(x_1, x_2, x_35);
+x_51 = lean_array_uset(x_30, x_34, x_50);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_29);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = lean_box(x_2);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_HasConstCache_containsUnsafe_cache___rarg___boxed), 3, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_Std_AssocList_contains___at_Lean_HasConstCache_containsUnsafe_cache___spec__1(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; lean_object* x_5; 
+x_4 = lean_unbox(x_2);
+lean_dec(x_2);
+x_5 = l_Std_AssocList_replace___at_Lean_HasConstCache_containsUnsafe_cache___spec__5(x_1, x_4, x_3);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+uint8_t x_4; lean_object* x_5; 
+x_4 = lean_unbox(x_2);
+lean_dec(x_2);
+x_5 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_1, x_4, x_3);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe_cache___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_HasConstCache_containsUnsafe_cache(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_3; 
+x_3 = lean_box(0);
+return x_3;
+}
+else
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+x_4 = lean_ctor_get(x_2, 0);
+x_5 = lean_ctor_get(x_2, 1);
+x_6 = lean_ctor_get(x_2, 2);
+x_7 = l_Lean_Expr_ptrEq(x_4, x_1);
+if (x_7 == 0)
+{
+x_2 = x_6;
+goto _start;
+}
+else
+{
+lean_object* x_9; 
+lean_inc(x_5);
+x_9 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_9, 0, x_5);
+return x_9;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_HashMapImp_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__1(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; uint64_t x_5; size_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; 
+x_3 = lean_ctor_get(x_1, 1);
+lean_inc(x_3);
+lean_dec(x_1);
+x_4 = lean_array_get_size(x_3);
+x_5 = l_Lean_Expr_hash(x_2);
+x_6 = lean_uint64_to_usize(x_5);
+x_7 = lean_usize_modn(x_6, x_4);
+lean_dec(x_4);
+x_8 = lean_array_uget(x_3, x_7);
+lean_dec(x_3);
+x_9 = l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2(x_2, x_8);
+lean_dec(x_8);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+lean_inc(x_2);
+lean_inc(x_3);
+x_4 = l_Std_HashMapImp_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__1(x_3, x_2);
+if (lean_obj_tag(x_4) == 0)
+{
+switch (lean_obj_tag(x_2)) {
+case 4:
+{
+lean_object* x_5; uint8_t x_6; lean_object* x_7; lean_object* x_8; 
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_name_eq(x_5, x_1);
+lean_dec(x_5);
+x_7 = lean_box(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_3);
+return x_8;
+}
+case 5:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_9 = lean_ctor_get(x_2, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_2, 1);
+lean_inc(x_10);
+x_11 = l_Lean_HasConstCache_containsUnsafe(x_1, x_9, x_3);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_unbox(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+lean_dec(x_12);
+x_14 = lean_ctor_get(x_11, 1);
+lean_inc(x_14);
+lean_dec(x_11);
+x_15 = l_Lean_HasConstCache_containsUnsafe(x_1, x_10, x_14);
+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_unbox(x_16);
+lean_dec(x_16);
+x_19 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_18, x_17);
+return x_19;
+}
+else
+{
+lean_object* x_20; uint8_t x_21; lean_object* x_22; 
+lean_dec(x_10);
+x_20 = lean_ctor_get(x_11, 1);
+lean_inc(x_20);
+lean_dec(x_11);
+x_21 = lean_unbox(x_12);
+lean_dec(x_12);
+x_22 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_21, x_20);
+return x_22;
+}
+}
+case 6:
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_23 = lean_ctor_get(x_2, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_2, 2);
+lean_inc(x_24);
+x_25 = l_Lean_HasConstCache_containsUnsafe(x_1, x_23, x_3);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_unbox(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; 
+lean_dec(x_26);
+x_28 = lean_ctor_get(x_25, 1);
+lean_inc(x_28);
+lean_dec(x_25);
+x_29 = l_Lean_HasConstCache_containsUnsafe(x_1, x_24, 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_unbox(x_30);
+lean_dec(x_30);
+x_33 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_32, x_31);
+return x_33;
+}
+else
+{
+lean_object* x_34; uint8_t x_35; lean_object* x_36; 
+lean_dec(x_24);
+x_34 = lean_ctor_get(x_25, 1);
+lean_inc(x_34);
+lean_dec(x_25);
+x_35 = lean_unbox(x_26);
+lean_dec(x_26);
+x_36 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_35, x_34);
+return x_36;
+}
+}
+case 7:
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+x_37 = lean_ctor_get(x_2, 1);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_2, 2);
+lean_inc(x_38);
+x_39 = l_Lean_HasConstCache_containsUnsafe(x_1, x_37, x_3);
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_unbox(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; 
+lean_dec(x_40);
+x_42 = lean_ctor_get(x_39, 1);
+lean_inc(x_42);
+lean_dec(x_39);
+x_43 = l_Lean_HasConstCache_containsUnsafe(x_1, x_38, x_42);
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = lean_unbox(x_44);
+lean_dec(x_44);
+x_47 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_46, x_45);
+return x_47;
+}
+else
+{
+lean_object* x_48; uint8_t x_49; lean_object* x_50; 
+lean_dec(x_38);
+x_48 = lean_ctor_get(x_39, 1);
+lean_inc(x_48);
+lean_dec(x_39);
+x_49 = lean_unbox(x_40);
+lean_dec(x_40);
+x_50 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_49, x_48);
+return x_50;
+}
+}
+case 8:
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_51 = lean_ctor_get(x_2, 1);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_2, 2);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_2, 3);
+lean_inc(x_53);
+x_54 = l_Lean_HasConstCache_containsUnsafe(x_1, x_51, x_3);
+x_55 = lean_ctor_get(x_54, 0);
+lean_inc(x_55);
+x_56 = lean_unbox(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+lean_dec(x_55);
+x_57 = lean_ctor_get(x_54, 1);
+lean_inc(x_57);
+lean_dec(x_54);
+x_58 = l_Lean_HasConstCache_containsUnsafe(x_1, x_52, x_57);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_unbox(x_59);
+if (x_60 == 0)
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; lean_object* x_66; 
+lean_dec(x_59);
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_dec(x_58);
+x_62 = l_Lean_HasConstCache_containsUnsafe(x_1, x_53, 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);
+lean_dec(x_62);
+x_65 = lean_unbox(x_63);
+lean_dec(x_63);
+x_66 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_65, x_64);
+return x_66;
+}
+else
+{
+lean_object* x_67; uint8_t x_68; lean_object* x_69; 
+lean_dec(x_53);
+x_67 = lean_ctor_get(x_58, 1);
+lean_inc(x_67);
+lean_dec(x_58);
+x_68 = lean_unbox(x_59);
+lean_dec(x_59);
+x_69 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_68, x_67);
+return x_69;
+}
+}
+else
+{
+lean_object* x_70; uint8_t x_71; lean_object* x_72; 
+lean_dec(x_53);
+lean_dec(x_52);
+x_70 = lean_ctor_get(x_54, 1);
+lean_inc(x_70);
+lean_dec(x_54);
+x_71 = lean_unbox(x_55);
+lean_dec(x_55);
+x_72 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_71, x_70);
+return x_72;
+}
+}
+case 10:
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; lean_object* x_78; 
+x_73 = lean_ctor_get(x_2, 1);
+lean_inc(x_73);
+x_74 = l_Lean_HasConstCache_containsUnsafe(x_1, x_73, x_3);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = lean_unbox(x_75);
+lean_dec(x_75);
+x_78 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_77, x_76);
+return x_78;
+}
+case 11:
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; 
+x_79 = lean_ctor_get(x_2, 2);
+lean_inc(x_79);
+x_80 = l_Lean_HasConstCache_containsUnsafe(x_1, x_79, x_3);
+x_81 = lean_ctor_get(x_80, 0);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_80, 1);
+lean_inc(x_82);
+lean_dec(x_80);
+x_83 = lean_unbox(x_81);
+lean_dec(x_81);
+x_84 = l_Lean_HasConstCache_containsUnsafe_cache___rarg(x_2, x_83, x_82);
+return x_84;
+}
+default: 
+{
+uint8_t x_85; lean_object* x_86; lean_object* x_87; 
+lean_dec(x_2);
+x_85 = 0;
+x_86 = lean_box(x_85);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set(x_87, 1, x_3);
+return x_87;
+}
+}
+}
+else
+{
+lean_object* x_88; lean_object* x_89; 
+lean_dec(x_2);
+x_88 = lean_ctor_get(x_4, 0);
+lean_inc(x_88);
+lean_dec(x_4);
+x_89 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_3);
+return x_89;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Std_AssocList_find_x3f___at_Lean_HasConstCache_containsUnsafe___spec__2(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_HasConstCache_containsUnsafe___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_HasConstCache_containsUnsafe(x_1, x_2, x_3);
+lean_dec(x_1);
+return x_4;
+}
+}
+lean_object* initialize_Init(uint8_t builtin, lean_object*);
+lean_object* initialize_Lean_Expr(uint8_t builtin, lean_object*);
+static bool _G_initialized = false;
+LEAN_EXPORT lean_object* initialize_Lean_Util_HasConstCache(uint8_t builtin, lean_object* w) {
+lean_object * res;
+if (_G_initialized) return lean_io_result_mk_ok(lean_box(0));
+_G_initialized = true;
+res = initialize_Init(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+res = initialize_Lean_Expr(builtin, lean_io_mk_world());
+if (lean_io_result_is_error(res)) return res;
+lean_dec_ref(res);
+l_Lean_HasConstCache_cache___default___closed__1 = _init_l_Lean_HasConstCache_cache___default___closed__1();
+lean_mark_persistent(l_Lean_HasConstCache_cache___default___closed__1);
+l_Lean_HasConstCache_cache___default = _init_l_Lean_HasConstCache_cache___default();
+lean_mark_persistent(l_Lean_HasConstCache_cache___default);
+return lean_io_result_mk_ok(lean_box(0));
+}
+#ifdef __cplusplus
+}
+#endif