diff --git a/stage0/src/Init/Lean/Meta/DiscrTree.lean b/stage0/src/Init/Lean/Meta/DiscrTree.lean
index e9f0b03252..5f9aaac4bf 100644
--- a/stage0/src/Init/Lean/Meta/DiscrTree.lean
+++ b/stage0/src/Init/Lean/Meta/DiscrTree.lean
@@ -132,11 +132,11 @@ private def tmpStar := mkMVar tmpMVarId
 
 instance {α} : Inhabited (DiscrTree α) := ⟨{}⟩
 
-private partial def pushArgsAux (infos : Array ParamInfo) : Nat → Expr → Array Expr → MetaM (Array Expr)
+private partial def pushArgsAux (infos : Array ParamInfo) (ignoreImplicit : Bool) : Nat → Expr → Array Expr → MetaM (Array Expr)
 | i, Expr.app f a _, todo =>
   if h : i < infos.size then
     let info := infos.get ⟨i, h⟩;
-    if info.implicit || info.instImplicit then
+    if (info.implicit && ignoreImplicit) || info.instImplicit then
       pushArgsAux (i-1) f (todo.push tmpStar)
     else condM (isProof a)
       (pushArgsAux (i-1) f (todo.push tmpStar))
@@ -146,12 +146,12 @@ private partial def pushArgsAux (infos : Array ParamInfo) : Nat → Expr → Arr
     (pushArgsAux (i-1) f (todo.push a))
 | _, _, todo => pure todo
 
-private def pushArgs (todo : Array Expr) (e : Expr) : MetaM (Key × Array Expr) :=
+private def pushArgs (todo : Array Expr) (e : Expr) (ignoreImplicit : Bool) : MetaM (Key × Array Expr) :=
 do e ← whnf e;
    let fn    := e.getAppFn;
    let push (k : Key) (nargs : Nat) : MetaM (Key × Array Expr) := do {
      info ← getFunInfoNArgs fn nargs;
-     todo ← pushArgsAux info.paramInfo (nargs-1) e todo;
+     todo ← pushArgsAux info.paramInfo ignoreImplicit (nargs-1) e todo;
      pure (k, todo)
    };
    match fn with
@@ -167,23 +167,23 @@ do e ← whnf e;
        (pure (Key.star, todo))
    | _                  => pure (Key.other, todo)
 
-partial def mkPathAux : Array Expr → Array Key → MetaM (Array Key)
+partial def mkPathAux (ignoreImplicit : Bool) : Array Expr → Array Key → MetaM (Array Key)
 | todo, keys =>
   if todo.isEmpty then
     pure keys
   else do
     let e    := todo.back;
     let todo := todo.pop;
-    (k, todo) ← pushArgs todo e;
+    (k, todo) ← pushArgs todo e ignoreImplicit;
     mkPathAux todo (keys.push k)
 
 private def initCapacity := 8
 
-def mkPath (e : Expr) : MetaM (Array Key) :=
+def mkPath (e : Expr) (ignoreImplicit : Bool) : MetaM (Array Key) :=
 usingTransparency TransparencyMode.reducible $ do
   let todo : Array Expr := Array.mkEmpty initCapacity;
   let keys : Array Key  := Array.mkEmpty initCapacity;
-  mkPathAux (todo.push e) keys
+  mkPathAux ignoreImplicit (todo.push e) keys
 
 private partial def createNodes {α} (keys : Array Key) (v : α) : Nat → Trie α
 | i =>
@@ -222,8 +222,8 @@ else
     let c := insertAux keys v 1 c;
     { root := d.root.insert k c }
 
-def insert {α} [HasBeq α] (d : DiscrTree α) (e : Expr) (v : α) : MetaM (DiscrTree α) :=
-do keys ← mkPath e;
+def insert {α} [HasBeq α] (d : DiscrTree α) (e : Expr) (v : α) (ignoreImplicit : Bool := true) : MetaM (DiscrTree α) :=
+do keys ← mkPath e ignoreImplicit;
    pure $ d.insertCore keys v
 
 partial def Trie.format {α} [HasFormat α] : Trie α → Format
diff --git a/stage0/src/Init/Lean/Meta/Instances.lean b/stage0/src/Init/Lean/Meta/Instances.lean
index f9f927f710..809b746d4d 100644
--- a/stage0/src/Init/Lean/Meta/Instances.lean
+++ b/stage0/src/Init/Lean/Meta/Instances.lean
@@ -13,24 +13,26 @@ structure InstanceEntry :=
 (keys : Array DiscrTree.Key)
 (val  : Expr)
 
-def addInstanceEntry (d : DiscrTree Expr) (e : InstanceEntry) : DiscrTree Expr :=
+abbrev Instances := DiscrTree Expr
+
+def addInstanceEntry (d : Instances) (e : InstanceEntry) : Instances :=
 d.insertCore e.keys e.val
 
-def mkInstanceExtension : IO (SimplePersistentEnvExtension InstanceEntry (DiscrTree Expr)) :=
+def mkInstanceExtension : IO (SimplePersistentEnvExtension InstanceEntry Instances) :=
 registerSimplePersistentEnvExtension {
   name          := `instanceExt,
   addEntryFn    := addInstanceEntry,
-  addImportedFn := fun es => (mkStateFromImportedEntries addInstanceEntry {} es)
+  addImportedFn := fun es => (mkStateFromImportedEntries addInstanceEntry DiscrTree.empty es)
 }
 
 @[init mkInstanceExtension]
-constant instanceExtension : SimplePersistentEnvExtension InstanceEntry (DiscrTree Expr) := arbitrary _
+constant instanceExtension : SimplePersistentEnvExtension InstanceEntry Instances := arbitrary _
 
 private def mkInstanceKey (e : Expr) : MetaM (Array DiscrTree.Key) :=
 do type ← inferType e;
    withNewMCtxDepth $ do
      (_, _, type) ← forallMetaTelescopeReducing type;
-     DiscrTree.mkPath type
+     DiscrTree.mkPath type false /- Do not ignore implicit arguments, only instImplicit -/
 
 def addGlobalInstance (env : Environment) (constName : Name) : IO Environment :=
 match env.find constName with
@@ -40,7 +42,7 @@ match env.find constName with
   (keys, env) ← IO.runMeta (mkInstanceKey c) env;
   pure $ instanceExtension.addEntry env { keys := keys, val := c }
 
-def getInstances (env : Environment) : DiscrTree Expr :=
+def getInstances (env : Environment) : Instances :=
 instanceExtension.getState env
 
 @[init] def registerInstanceAttr : IO Unit :=
diff --git a/stage0/stdlib/Init/Lean/Meta/DiscrTree.c b/stage0/stdlib/Init/Lean/Meta/DiscrTree.c
index 4a00a98229..7fabc98284 100644
--- a/stage0/stdlib/Init/Lean/Meta/DiscrTree.c
+++ b/stage0/stdlib/Init/Lean/Meta/DiscrTree.c
@@ -47,7 +47,7 @@ lean_object* l_Lean_Meta_DiscrTree_insertCore___rarg___closed__4;
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___spec__4(lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_8__insertAux(lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_Key_ctorIdx(lean_object*);
 lean_object* l_Lean_mkMVar(lean_object*);
@@ -71,6 +71,7 @@ lean_object* l_Array_iterateMAux___main___at_Lean_Meta_DiscrTree_format___spec__
 lean_object* l_PersistentHashMap_foldlMAux___main___at_Lean_Meta_DiscrTree_getUnify___spec__5(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_Meta_DiscrTree_getUnify___spec__7(lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_8__insertAux___main(lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_back___at___private_Init_Lean_Meta_DiscrTree_8__insertAux___main___spec__3___rarg___boxed(lean_object*);
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_Key_beq___boxed(lean_object*, lean_object*);
@@ -88,7 +89,7 @@ lean_object* l_Lean_Meta_DiscrTree_Key_format(lean_object*);
 size_t l_USize_shiftRight(size_t, size_t);
 lean_object* l_Lean_Meta_DiscrTree_DiscrTree_hasFormat(lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_6__createNodes___rarg___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux(lean_object*);
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___spec__3(lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main(lean_object*);
@@ -99,6 +100,7 @@ lean_object* l_Lean_fmt___at_Lean_Level_LevelToFormat_toResult___main___spec__1(
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_format(lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_Trie_format___main___rarg___closed__3;
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_BinSearch_1__binInsertAux___main___at___private_Init_Lean_Meta_DiscrTree_8__insertAux___main___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -127,16 +129,16 @@ lean_object* l_PersistentHashMap_findAux___main___at_Lean_Meta_DiscrTree_getMatc
 lean_object* l_Array_iterateMAux___main___at_Lean_Meta_DiscrTree_getUnify___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Literal_beq(lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_8__insertAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_DiscrTree_mkPathAux(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___main___spec__1___boxed(lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_Key_hasFormat___closed__1;
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__3(lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_arrayHasFormat___rarg___closed__1;
-lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_getUnify___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(lean_object*, lean_object*, lean_object*);
@@ -145,6 +147,7 @@ lean_object* l_PersistentHashMap_find___at_Lean_Meta_DiscrTree_getMatch___spec__
 lean_object* l_Lean_Meta_DiscrTree_Key_arity(lean_object*);
 size_t l_Lean_Name_hash(lean_object*);
 lean_object* l_PersistentHashMap_insert___at_Lean_Meta_DiscrTree_insertCore___spec__8___rarg(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_insert___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__9(lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_6__createNodes___main___rarg___boxed(lean_object*, lean_object*, lean_object*);
@@ -157,7 +160,7 @@ lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_6__createNodes___main(lean_object*);
 lean_object* l___private_Init_Data_Array_BinSearch_1__binInsertAux___main___at___private_Init_Lean_Meta_DiscrTree_8__insertAux___main___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_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Data_Array_BinSearch_1__binInsertAux___main___at___private_Init_Lean_Meta_DiscrTree_8__insertAux___main___spec__2___rarg___closed__1;
 lean_object* l_PersistentHashMap_insertAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__9___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_8__insertAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -183,6 +186,7 @@ lean_object* l_Lean_Meta_DiscrTree_Key_hasLess;
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnf(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Array_append___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_foldlMAux___main___at_Lean_Meta_DiscrTree_format___spec__3(lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_format___rarg(lean_object*, lean_object*);
@@ -193,12 +197,13 @@ lean_object* l___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main(lean_ob
 lean_object* l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___main___spec__1(lean_object*);
 lean_object* l_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_Meta_DiscrTree_insertCore___spec__10___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_mkPath___closed__1;
+lean_object* l_Lean_Meta_DiscrTree_mkPath___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t l_USize_land(size_t, size_t);
 lean_object* l_Lean_Meta_DiscrTree_getUnify(lean_object*);
-lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 uint8_t l_Array_contains___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_Trie_format___rarg___boxed(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_11__getUnifyKeyArgs(lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_findAtAux___main___at_Lean_Meta_DiscrTree_getUnify___spec__3(lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_1__tmpMVarId___closed__2;
@@ -312,7 +317,7 @@ lean_object* l_Array_insertAt___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_binSearchAux___main___at___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_14__getUnifyAux___main___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_PersistentHashMap_foldlM___at_Lean_Meta_DiscrTree_format___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_DiscrTree_insert___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_insert___rarg(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 size_t l_Lean_Meta_DiscrTree_Key_hash(lean_object*);
 lean_object* l_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Lean_Meta_DiscrTree_12__getMatchAux___main___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -987,1153 +992,1268 @@ x_2 = l_Lean_Meta_DiscrTree_empty___closed__1;
 return x_2;
 }
 }
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-if (lean_obj_tag(x_3) == 5)
+if (lean_obj_tag(x_4) == 5)
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_7 = lean_ctor_get(x_3, 0);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_3, 1);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_8 = lean_ctor_get(x_4, 0);
 lean_inc(x_8);
-lean_dec(x_3);
-x_9 = lean_array_get_size(x_1);
-x_10 = lean_nat_dec_lt(x_2, x_9);
-lean_dec(x_9);
-if (x_10 == 0)
-{
-lean_object* x_11; 
-lean_inc(x_5);
-lean_inc(x_8);
-x_11 = l_Lean_Meta_isProof(x_8, x_5, x_6);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_unbox(x_12);
-lean_dec(x_12);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_sub(x_2, x_15);
-lean_dec(x_2);
-x_17 = lean_array_push(x_4, x_8);
-x_2 = x_16;
-x_3 = x_7;
-x_4 = x_17;
-x_6 = x_14;
-goto _start;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-lean_dec(x_8);
-x_19 = lean_ctor_get(x_11, 1);
-lean_inc(x_19);
-lean_dec(x_11);
-x_20 = lean_unsigned_to_nat(1u);
-x_21 = lean_nat_sub(x_2, x_20);
-lean_dec(x_2);
-x_22 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
-x_23 = lean_array_push(x_4, x_22);
-x_2 = x_21;
-x_3 = x_7;
-x_4 = x_23;
-x_6 = x_19;
-goto _start;
-}
-}
-else
-{
-uint8_t x_25; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
+x_9 = lean_ctor_get(x_4, 1);
+lean_inc(x_9);
 lean_dec(x_4);
-lean_dec(x_2);
-x_25 = !lean_is_exclusive(x_11);
-if (x_25 == 0)
+x_10 = lean_array_get_size(x_1);
+x_11 = lean_nat_dec_lt(x_3, x_10);
+lean_dec(x_10);
+if (x_11 == 0)
 {
-return x_11;
-}
-else
+lean_object* x_12; 
+lean_inc(x_6);
+lean_inc(x_9);
+x_12 = l_Lean_Meta_isProof(x_9, x_6, x_7);
+if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_11, 0);
-x_27 = lean_ctor_get(x_11, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_11);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-}
-else
+lean_object* x_13; uint8_t x_14; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_unbox(x_13);
+lean_dec(x_13);
+if (x_14 == 0)
 {
-lean_object* x_29; uint8_t x_30; 
-x_29 = lean_array_fget(x_1, x_2);
-x_30 = lean_ctor_get_uint8(x_29, sizeof(void*)*1);
-if (x_30 == 0)
-{
-uint8_t x_31; uint8_t x_32; uint8_t x_33; 
-x_31 = lean_ctor_get_uint8(x_29, sizeof(void*)*1 + 1);
-lean_dec(x_29);
-x_32 = 1;
-x_33 = l_Bool_DecidableEq(x_31, x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; 
-lean_inc(x_5);
-lean_inc(x_8);
-x_34 = l_Lean_Meta_isProof(x_8, x_5, x_6);
-if (lean_obj_tag(x_34) == 0)
-{
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_unbox(x_35);
-lean_dec(x_35);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_37 = lean_ctor_get(x_34, 1);
-lean_inc(x_37);
-lean_dec(x_34);
-x_38 = lean_unsigned_to_nat(1u);
-x_39 = lean_nat_sub(x_2, x_38);
-lean_dec(x_2);
-x_40 = lean_array_push(x_4, x_8);
-x_2 = x_39;
-x_3 = x_7;
-x_4 = x_40;
-x_6 = x_37;
-goto _start;
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-lean_dec(x_8);
-x_42 = lean_ctor_get(x_34, 1);
-lean_inc(x_42);
-lean_dec(x_34);
-x_43 = lean_unsigned_to_nat(1u);
-x_44 = lean_nat_sub(x_2, x_43);
-lean_dec(x_2);
-x_45 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
-x_46 = lean_array_push(x_4, x_45);
-x_2 = x_44;
-x_3 = x_7;
-x_4 = x_46;
-x_6 = x_42;
-goto _start;
-}
-}
-else
-{
-uint8_t x_48; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_48 = !lean_is_exclusive(x_34);
-if (x_48 == 0)
-{
-return x_34;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_34, 0);
-x_50 = lean_ctor_get(x_34, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_34);
-x_51 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-return x_51;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-lean_dec(x_8);
-x_52 = lean_unsigned_to_nat(1u);
-x_53 = lean_nat_sub(x_2, x_52);
-lean_dec(x_2);
-x_54 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
-x_55 = lean_array_push(x_4, x_54);
-x_2 = x_53;
-x_3 = x_7;
-x_4 = x_55;
-goto _start;
-}
-}
-else
-{
-uint8_t x_57; 
-lean_dec(x_29);
-x_57 = l_String_Iterator_extract___closed__1;
-if (x_57 == 0)
-{
-lean_object* x_58; 
-lean_inc(x_5);
-lean_inc(x_8);
-x_58 = l_Lean_Meta_isProof(x_8, x_5, x_6);
-if (lean_obj_tag(x_58) == 0)
-{
-lean_object* x_59; uint8_t x_60; 
-x_59 = lean_ctor_get(x_58, 0);
-lean_inc(x_59);
-x_60 = lean_unbox(x_59);
-lean_dec(x_59);
-if (x_60 == 0)
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_61 = lean_ctor_get(x_58, 1);
-lean_inc(x_61);
-lean_dec(x_58);
-x_62 = lean_unsigned_to_nat(1u);
-x_63 = lean_nat_sub(x_2, x_62);
-lean_dec(x_2);
-x_64 = lean_array_push(x_4, x_8);
-x_2 = x_63;
-x_3 = x_7;
-x_4 = x_64;
-x_6 = x_61;
-goto _start;
-}
-else
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-lean_dec(x_8);
-x_66 = lean_ctor_get(x_58, 1);
-lean_inc(x_66);
-lean_dec(x_58);
-x_67 = lean_unsigned_to_nat(1u);
-x_68 = lean_nat_sub(x_2, x_67);
-lean_dec(x_2);
-x_69 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
-x_70 = lean_array_push(x_4, x_69);
-x_2 = x_68;
-x_3 = x_7;
-x_4 = x_70;
-x_6 = x_66;
-goto _start;
-}
-}
-else
-{
-uint8_t x_72; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_72 = !lean_is_exclusive(x_58);
-if (x_72 == 0)
-{
-return x_58;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_58, 0);
-x_74 = lean_ctor_get(x_58, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_58);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
-}
-}
-}
-else
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-lean_dec(x_8);
-x_76 = lean_unsigned_to_nat(1u);
-x_77 = lean_nat_sub(x_2, x_76);
-lean_dec(x_2);
-x_78 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
-x_79 = lean_array_push(x_4, x_78);
-x_2 = x_77;
-x_3 = x_7;
-x_4 = x_79;
-goto _start;
-}
-}
-}
-}
-else
-{
-lean_object* x_81; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-x_81 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_81, 0, x_4);
-lean_ctor_set(x_81, 1, x_6);
-return x_81;
-}
-}
-}
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_1);
-return x_7;
-}
-}
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_1, x_2, x_3, x_4, x_5, x_6);
-return x_7;
-}
-}
-lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_1);
-return x_7;
-}
-}
-lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-lean_inc(x_3);
-x_5 = l_Lean_Meta_whnf(x_2, x_3, x_4);
-if (lean_obj_tag(x_5) == 0)
-{
-uint8_t x_6; 
-x_6 = !lean_is_exclusive(x_5);
-if (x_6 == 0)
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_7 = lean_ctor_get(x_5, 0);
-x_8 = lean_ctor_get(x_5, 1);
-x_9 = l_Lean_Expr_getAppFn___main(x_7);
-switch (lean_obj_tag(x_9)) {
-case 1:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_free_object(x_5);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = l_Lean_Expr_getAppNumArgsAux___main(x_7, x_11);
-lean_inc(x_12);
-x_13 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_13, 0, x_10);
-lean_ctor_set(x_13, 1, x_12);
-lean_inc(x_3);
-lean_inc(x_12);
-x_14 = l_Lean_Meta_getFunInfoNArgs(x_9, x_12, x_3, x_8);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_15 = lean_ctor_get(x_14, 0);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = lean_ctor_get(x_12, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = lean_ctor_get(x_15, 0);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = lean_nat_sub(x_12, x_18);
 lean_dec(x_12);
-x_20 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_17, x_19, x_7, x_1, x_3, x_16);
-lean_dec(x_17);
-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 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_13);
-lean_ctor_set(x_23, 1, 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 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_13);
-lean_ctor_set(x_26, 1, 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_13);
-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;
-}
-}
-}
-else
-{
-uint8_t x_32; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_7);
+x_16 = lean_unsigned_to_nat(1u);
+x_17 = lean_nat_sub(x_3, x_16);
 lean_dec(x_3);
-lean_dec(x_1);
-x_32 = !lean_is_exclusive(x_14);
-if (x_32 == 0)
-{
-return x_14;
+x_18 = lean_array_push(x_5, x_9);
+x_3 = x_17;
+x_4 = x_8;
+x_5 = x_18;
+x_7 = x_15;
+goto _start;
 }
 else
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_33 = lean_ctor_get(x_14, 0);
-x_34 = lean_ctor_get(x_14, 1);
-lean_inc(x_34);
-lean_inc(x_33);
-lean_dec(x_14);
-x_35 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_9);
+x_20 = lean_ctor_get(x_12, 1);
+lean_inc(x_20);
+lean_dec(x_12);
+x_21 = lean_unsigned_to_nat(1u);
+x_22 = lean_nat_sub(x_3, x_21);
+lean_dec(x_3);
+x_23 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_24 = lean_array_push(x_5, x_23);
+x_3 = x_22;
+x_4 = x_8;
+x_5 = x_24;
+x_7 = x_20;
+goto _start;
+}
+}
+else
+{
+uint8_t x_26; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_26 = !lean_is_exclusive(x_12);
+if (x_26 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_12, 0);
+x_28 = lean_ctor_get(x_12, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_12);
+x_29 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
+}
+}
+}
+else
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = lean_array_fget(x_1, x_3);
+x_31 = lean_ctor_get_uint8(x_30, sizeof(void*)*1);
+if (x_31 == 0)
+{
+uint8_t x_32; uint8_t x_33; uint8_t x_34; 
+x_32 = lean_ctor_get_uint8(x_30, sizeof(void*)*1 + 1);
+lean_dec(x_30);
+x_33 = 1;
+x_34 = l_Bool_DecidableEq(x_32, x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; 
+lean_inc(x_6);
+lean_inc(x_9);
+x_35 = l_Lean_Meta_isProof(x_9, x_6, x_7);
+if (lean_obj_tag(x_35) == 0)
+{
+lean_object* x_36; uint8_t x_37; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_unbox(x_36);
+lean_dec(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_dec(x_35);
+x_39 = lean_unsigned_to_nat(1u);
+x_40 = lean_nat_sub(x_3, x_39);
+lean_dec(x_3);
+x_41 = lean_array_push(x_5, x_9);
+x_3 = x_40;
+x_4 = x_8;
+x_5 = x_41;
+x_7 = x_38;
+goto _start;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_9);
+x_43 = lean_ctor_get(x_35, 1);
+lean_inc(x_43);
+lean_dec(x_35);
+x_44 = lean_unsigned_to_nat(1u);
+x_45 = lean_nat_sub(x_3, x_44);
+lean_dec(x_3);
+x_46 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_47 = lean_array_push(x_5, x_46);
+x_3 = x_45;
+x_4 = x_8;
+x_5 = x_47;
+x_7 = x_43;
+goto _start;
+}
+}
+else
+{
+uint8_t x_49; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_49 = !lean_is_exclusive(x_35);
+if (x_49 == 0)
+{
 return x_35;
 }
-}
-}
-case 2:
+else
 {
-lean_object* x_36; lean_object* x_37; uint8_t x_38; uint8_t x_39; uint8_t x_40; 
-lean_dec(x_7);
-x_36 = lean_ctor_get(x_9, 0);
-lean_inc(x_36);
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_35, 0);
+x_51 = lean_ctor_get(x_35, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_35);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
+}
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
 lean_dec(x_9);
-x_37 = l___private_Init_Lean_Meta_DiscrTree_1__tmpMVarId;
-x_38 = lean_name_eq(x_36, x_37);
-x_39 = 1;
-x_40 = l_Bool_DecidableEq(x_38, x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; 
-lean_free_object(x_5);
-x_41 = l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(x_36, x_3, x_8);
+x_53 = lean_unsigned_to_nat(1u);
+x_54 = lean_nat_sub(x_3, x_53);
 lean_dec(x_3);
-if (lean_obj_tag(x_41) == 0)
-{
-lean_object* x_42; uint8_t x_43; 
-x_42 = lean_ctor_get(x_41, 0);
-lean_inc(x_42);
-x_43 = lean_unbox(x_42);
-lean_dec(x_42);
-if (x_43 == 0)
-{
-uint8_t x_44; 
-x_44 = !lean_is_exclusive(x_41);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 0);
-lean_dec(x_45);
-x_46 = lean_box(3);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_1);
-lean_ctor_set(x_41, 0, x_47);
-return x_41;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_48 = lean_ctor_get(x_41, 1);
-lean_inc(x_48);
-lean_dec(x_41);
-x_49 = lean_box(3);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_1);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_48);
-return x_51;
+x_55 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_56 = lean_array_push(x_5, x_55);
+x_3 = x_54;
+x_4 = x_8;
+x_5 = x_56;
+goto _start;
 }
 }
 else
 {
-uint8_t x_52; 
-x_52 = !lean_is_exclusive(x_41);
-if (x_52 == 0)
+if (x_2 == 0)
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_41, 0);
-lean_dec(x_53);
-x_54 = lean_box(4);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_54);
-lean_ctor_set(x_55, 1, x_1);
-lean_ctor_set(x_41, 0, x_55);
-return x_41;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_56 = lean_ctor_get(x_41, 1);
-lean_inc(x_56);
-lean_dec(x_41);
-x_57 = lean_box(4);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_1);
-x_59 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_56);
-return x_59;
-}
-}
-}
-else
-{
-uint8_t x_60; 
-lean_dec(x_1);
-x_60 = !lean_is_exclusive(x_41);
+uint8_t x_58; uint8_t x_59; uint8_t x_60; 
+x_58 = lean_ctor_get_uint8(x_30, sizeof(void*)*1 + 1);
+lean_dec(x_30);
+x_59 = 1;
+x_60 = l_Bool_DecidableEq(x_58, x_59);
 if (x_60 == 0)
 {
-return x_41;
-}
-else
+lean_object* x_61; 
+lean_inc(x_6);
+lean_inc(x_9);
+x_61 = l_Lean_Meta_isProof(x_9, x_6, x_7);
+if (lean_obj_tag(x_61) == 0)
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_41, 0);
-x_62 = lean_ctor_get(x_41, 1);
+lean_object* x_62; uint8_t x_63; 
+x_62 = lean_ctor_get(x_61, 0);
 lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_41);
-x_63 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_63, 0, x_61);
-lean_ctor_set(x_63, 1, x_62);
-return x_63;
-}
-}
-}
-else
+x_63 = lean_unbox(x_62);
+lean_dec(x_62);
+if (x_63 == 0)
 {
-lean_object* x_64; lean_object* x_65; 
-lean_dec(x_36);
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_64 = lean_ctor_get(x_61, 1);
+lean_inc(x_64);
+lean_dec(x_61);
+x_65 = lean_unsigned_to_nat(1u);
+x_66 = lean_nat_sub(x_3, x_65);
 lean_dec(x_3);
-x_64 = lean_box(3);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_1);
-lean_ctor_set(x_5, 0, x_65);
-return x_5;
-}
-}
-case 4:
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-lean_free_object(x_5);
-x_66 = lean_ctor_get(x_9, 0);
-lean_inc(x_66);
-x_67 = lean_unsigned_to_nat(0u);
-x_68 = l_Lean_Expr_getAppNumArgsAux___main(x_7, x_67);
-lean_inc(x_68);
-x_69 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_69, 0, x_66);
-lean_ctor_set(x_69, 1, x_68);
-lean_inc(x_3);
-lean_inc(x_68);
-x_70 = l_Lean_Meta_getFunInfoNArgs(x_9, x_68, x_3, x_8);
-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);
-lean_dec(x_70);
-x_73 = lean_ctor_get(x_71, 0);
-lean_inc(x_73);
-lean_dec(x_71);
-x_74 = lean_unsigned_to_nat(1u);
-x_75 = lean_nat_sub(x_68, x_74);
-lean_dec(x_68);
-x_76 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_73, x_75, x_7, x_1, x_3, x_72);
-lean_dec(x_73);
-if (lean_obj_tag(x_76) == 0)
-{
-uint8_t x_77; 
-x_77 = !lean_is_exclusive(x_76);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_76, 0);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_69);
-lean_ctor_set(x_79, 1, x_78);
-lean_ctor_set(x_76, 0, x_79);
-return x_76;
+x_67 = lean_array_push(x_5, x_9);
+x_3 = x_66;
+x_4 = x_8;
+x_5 = x_67;
+x_7 = x_64;
+goto _start;
 }
 else
 {
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_80 = lean_ctor_get(x_76, 0);
-x_81 = lean_ctor_get(x_76, 1);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_dec(x_76);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_69);
-lean_ctor_set(x_82, 1, x_80);
-x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_81);
-return x_83;
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+lean_dec(x_9);
+x_69 = lean_ctor_get(x_61, 1);
+lean_inc(x_69);
+lean_dec(x_61);
+x_70 = lean_unsigned_to_nat(1u);
+x_71 = lean_nat_sub(x_3, x_70);
+lean_dec(x_3);
+x_72 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_73 = lean_array_push(x_5, x_72);
+x_3 = x_71;
+x_4 = x_8;
+x_5 = x_73;
+x_7 = x_69;
+goto _start;
+}
+}
+else
+{
+uint8_t x_75; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+x_75 = !lean_is_exclusive(x_61);
+if (x_75 == 0)
+{
+return x_61;
+}
+else
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_61, 0);
+x_77 = lean_ctor_get(x_61, 1);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_dec(x_61);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
+}
+}
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+lean_dec(x_9);
+x_79 = lean_unsigned_to_nat(1u);
+x_80 = lean_nat_sub(x_3, x_79);
+lean_dec(x_3);
+x_81 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_82 = lean_array_push(x_5, x_81);
+x_3 = x_80;
+x_4 = x_8;
+x_5 = x_82;
+goto _start;
 }
 }
 else
 {
 uint8_t x_84; 
-lean_dec(x_69);
-x_84 = !lean_is_exclusive(x_76);
+lean_dec(x_30);
+x_84 = l_String_Iterator_extract___closed__1;
 if (x_84 == 0)
 {
-return x_76;
-}
-else
+lean_object* x_85; 
+lean_inc(x_6);
+lean_inc(x_9);
+x_85 = l_Lean_Meta_isProof(x_9, x_6, x_7);
+if (lean_obj_tag(x_85) == 0)
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_85 = lean_ctor_get(x_76, 0);
-x_86 = lean_ctor_get(x_76, 1);
+lean_object* x_86; uint8_t x_87; 
+x_86 = lean_ctor_get(x_85, 0);
 lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_76);
-x_87 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_87, 0, x_85);
-lean_ctor_set(x_87, 1, x_86);
-return x_87;
-}
-}
+x_87 = lean_unbox(x_86);
+lean_dec(x_86);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_88 = lean_ctor_get(x_85, 1);
+lean_inc(x_88);
+lean_dec(x_85);
+x_89 = lean_unsigned_to_nat(1u);
+x_90 = lean_nat_sub(x_3, x_89);
+lean_dec(x_3);
+x_91 = lean_array_push(x_5, x_9);
+x_3 = x_90;
+x_4 = x_8;
+x_5 = x_91;
+x_7 = x_88;
+goto _start;
 }
 else
 {
-uint8_t x_88; 
-lean_dec(x_69);
-lean_dec(x_68);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_1);
-x_88 = !lean_is_exclusive(x_70);
-if (x_88 == 0)
-{
-return x_70;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_89 = lean_ctor_get(x_70, 0);
-x_90 = lean_ctor_get(x_70, 1);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_70);
-x_91 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_91, 0, x_89);
-lean_ctor_set(x_91, 1, x_90);
-return x_91;
-}
-}
-}
-case 9:
-{
-lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-lean_dec(x_7);
-lean_dec(x_3);
-x_92 = lean_ctor_get(x_9, 0);
-lean_inc(x_92);
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
 lean_dec(x_9);
-x_93 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_93, 0, x_92);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_93);
-lean_ctor_set(x_94, 1, x_1);
-lean_ctor_set(x_5, 0, x_94);
-return x_5;
-}
-default: 
-{
-lean_object* x_95; lean_object* x_96; 
-lean_dec(x_9);
-lean_dec(x_7);
+x_93 = lean_ctor_get(x_85, 1);
+lean_inc(x_93);
+lean_dec(x_85);
+x_94 = lean_unsigned_to_nat(1u);
+x_95 = lean_nat_sub(x_3, x_94);
 lean_dec(x_3);
-x_95 = lean_box(4);
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_1);
-lean_ctor_set(x_5, 0, x_96);
-return x_5;
-}
+x_96 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_97 = lean_array_push(x_5, x_96);
+x_3 = x_95;
+x_4 = x_8;
+x_5 = x_97;
+x_7 = x_93;
+goto _start;
 }
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_97 = lean_ctor_get(x_5, 0);
-x_98 = lean_ctor_get(x_5, 1);
-lean_inc(x_98);
-lean_inc(x_97);
+uint8_t x_99; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
 lean_dec(x_5);
-x_99 = l_Lean_Expr_getAppFn___main(x_97);
-switch (lean_obj_tag(x_99)) {
+lean_dec(x_3);
+x_99 = !lean_is_exclusive(x_85);
+if (x_99 == 0)
+{
+return x_85;
+}
+else
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+x_100 = lean_ctor_get(x_85, 0);
+x_101 = lean_ctor_get(x_85, 1);
+lean_inc(x_101);
+lean_inc(x_100);
+lean_dec(x_85);
+x_102 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_102, 0, x_100);
+lean_ctor_set(x_102, 1, x_101);
+return x_102;
+}
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+lean_dec(x_9);
+x_103 = lean_unsigned_to_nat(1u);
+x_104 = lean_nat_sub(x_3, x_103);
+lean_dec(x_3);
+x_105 = l___private_Init_Lean_Meta_DiscrTree_2__tmpStar;
+x_106 = lean_array_push(x_5, x_105);
+x_3 = x_104;
+x_4 = x_8;
+x_5 = x_106;
+goto _start;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_108; 
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+x_108 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_108, 0, x_5);
+lean_ctor_set(x_108, 1, x_7);
+return x_108;
+}
+}
+}
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; lean_object* x_9; 
+x_8 = lean_unbox(x_2);
+lean_dec(x_2);
+x_9 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_1);
+return x_9;
+}
+}
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_8;
+}
+}
+lean_object* l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; lean_object* x_9; 
+x_8 = lean_unbox(x_2);
+lean_dec(x_2);
+x_9 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_1);
+return x_9;
+}
+}
+lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+lean_inc(x_4);
+x_6 = l_Lean_Meta_whnf(x_2, x_4, x_5);
+if (lean_obj_tag(x_6) == 0)
+{
+uint8_t x_7; 
+x_7 = !lean_is_exclusive(x_6);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = lean_ctor_get(x_6, 0);
+x_9 = lean_ctor_get(x_6, 1);
+x_10 = l_Lean_Expr_getAppFn___main(x_8);
+switch (lean_obj_tag(x_10)) {
 case 1:
 {
-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_99, 0);
-lean_inc(x_100);
-x_101 = lean_unsigned_to_nat(0u);
-x_102 = l_Lean_Expr_getAppNumArgsAux___main(x_97, x_101);
-lean_inc(x_102);
-x_103 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_103, 0, x_100);
-lean_ctor_set(x_103, 1, x_102);
-lean_inc(x_3);
-lean_inc(x_102);
-x_104 = l_Lean_Meta_getFunInfoNArgs(x_99, x_102, x_3, x_98);
-if (lean_obj_tag(x_104) == 0)
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_free_object(x_6);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_unsigned_to_nat(0u);
+x_13 = l_Lean_Expr_getAppNumArgsAux___main(x_8, x_12);
+lean_inc(x_13);
+x_14 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_14, 0, x_11);
+lean_ctor_set(x_14, 1, x_13);
+lean_inc(x_4);
+lean_inc(x_13);
+x_15 = l_Lean_Meta_getFunInfoNArgs(x_10, x_13, x_4, x_9);
+if (lean_obj_tag(x_15) == 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; 
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
-lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_ctor_get(x_105, 0);
-lean_inc(x_107);
-lean_dec(x_105);
-x_108 = lean_unsigned_to_nat(1u);
-x_109 = lean_nat_sub(x_102, x_108);
-lean_dec(x_102);
-x_110 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_107, x_109, x_97, x_1, x_3, x_106);
-lean_dec(x_107);
-if (lean_obj_tag(x_110) == 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; 
+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_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_sub(x_13, x_19);
+lean_dec(x_13);
+x_21 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_18, x_3, x_20, x_8, x_1, x_4, x_17);
+lean_dec(x_18);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_113 = x_110;
-} else {
- lean_dec_ref(x_110);
- x_113 = lean_box(0);
-}
-x_114 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_114, 0, x_103);
-lean_ctor_set(x_114, 1, x_111);
-if (lean_is_scalar(x_113)) {
- x_115 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_115 = x_113;
-}
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_112);
-return x_115;
+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 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_14);
+lean_ctor_set(x_24, 1, x_23);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-lean_dec(x_103);
-x_116 = lean_ctor_get(x_110, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_110, 1);
-lean_inc(x_117);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_118 = x_110;
-} else {
- lean_dec_ref(x_110);
- x_118 = lean_box(0);
-}
-if (lean_is_scalar(x_118)) {
- x_119 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_119 = x_118;
-}
-lean_ctor_set(x_119, 0, x_116);
-lean_ctor_set(x_119, 1, x_117);
-return x_119;
+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 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_14);
+lean_ctor_set(x_27, 1, 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
 {
-lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-lean_dec(x_103);
-lean_dec(x_102);
-lean_dec(x_97);
-lean_dec(x_3);
+uint8_t x_29; 
+lean_dec(x_14);
+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;
+}
+}
+}
+else
+{
+uint8_t x_33; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_8);
+lean_dec(x_4);
 lean_dec(x_1);
-x_120 = lean_ctor_get(x_104, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_104, 1);
-lean_inc(x_121);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- x_122 = x_104;
-} else {
- lean_dec_ref(x_104);
- x_122 = lean_box(0);
+x_33 = !lean_is_exclusive(x_15);
+if (x_33 == 0)
+{
+return x_15;
 }
-if (lean_is_scalar(x_122)) {
- x_123 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_123 = x_122;
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_15, 0);
+x_35 = lean_ctor_get(x_15, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_15);
+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_ctor_set(x_123, 0, x_120);
-lean_ctor_set(x_123, 1, x_121);
-return x_123;
 }
 }
 case 2:
 {
-lean_object* x_124; lean_object* x_125; uint8_t x_126; uint8_t x_127; uint8_t x_128; 
-lean_dec(x_97);
-x_124 = lean_ctor_get(x_99, 0);
-lean_inc(x_124);
-lean_dec(x_99);
-x_125 = l___private_Init_Lean_Meta_DiscrTree_1__tmpMVarId;
-x_126 = lean_name_eq(x_124, x_125);
-x_127 = 1;
-x_128 = l_Bool_DecidableEq(x_126, x_127);
-if (x_128 == 0)
+lean_object* x_37; lean_object* x_38; uint8_t x_39; uint8_t x_40; uint8_t x_41; 
+lean_dec(x_8);
+x_37 = lean_ctor_get(x_10, 0);
+lean_inc(x_37);
+lean_dec(x_10);
+x_38 = l___private_Init_Lean_Meta_DiscrTree_1__tmpMVarId;
+x_39 = lean_name_eq(x_37, x_38);
+x_40 = 1;
+x_41 = l_Bool_DecidableEq(x_39, x_40);
+if (x_41 == 0)
 {
-lean_object* x_129; 
-x_129 = l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(x_124, x_3, x_98);
-lean_dec(x_3);
-if (lean_obj_tag(x_129) == 0)
+lean_object* x_42; 
+lean_free_object(x_6);
+x_42 = l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(x_37, x_4, x_9);
+lean_dec(x_4);
+if (lean_obj_tag(x_42) == 0)
 {
-lean_object* x_130; uint8_t x_131; 
-x_130 = lean_ctor_get(x_129, 0);
-lean_inc(x_130);
-x_131 = lean_unbox(x_130);
-lean_dec(x_130);
-if (x_131 == 0)
+lean_object* x_43; uint8_t x_44; 
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_unbox(x_43);
+lean_dec(x_43);
+if (x_44 == 0)
 {
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
-x_132 = lean_ctor_get(x_129, 1);
-lean_inc(x_132);
-if (lean_is_exclusive(x_129)) {
- lean_ctor_release(x_129, 0);
- lean_ctor_release(x_129, 1);
- x_133 = x_129;
-} else {
- lean_dec_ref(x_129);
- x_133 = lean_box(0);
-}
-x_134 = lean_box(3);
-x_135 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_135, 0, x_134);
-lean_ctor_set(x_135, 1, x_1);
-if (lean_is_scalar(x_133)) {
- x_136 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_136 = x_133;
-}
-lean_ctor_set(x_136, 0, x_135);
-lean_ctor_set(x_136, 1, x_132);
-return x_136;
+uint8_t x_45; 
+x_45 = !lean_is_exclusive(x_42);
+if (x_45 == 0)
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_42, 0);
+lean_dec(x_46);
+x_47 = lean_box(3);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_1);
+lean_ctor_set(x_42, 0, x_48);
+return x_42;
 }
 else
 {
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_137 = lean_ctor_get(x_129, 1);
-lean_inc(x_137);
-if (lean_is_exclusive(x_129)) {
- lean_ctor_release(x_129, 0);
- lean_ctor_release(x_129, 1);
- x_138 = x_129;
-} else {
- lean_dec_ref(x_129);
- x_138 = lean_box(0);
-}
-x_139 = lean_box(4);
-x_140 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_140, 0, x_139);
-lean_ctor_set(x_140, 1, x_1);
-if (lean_is_scalar(x_138)) {
- x_141 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_141 = x_138;
-}
-lean_ctor_set(x_141, 0, x_140);
-lean_ctor_set(x_141, 1, x_137);
-return x_141;
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_49 = lean_ctor_get(x_42, 1);
+lean_inc(x_49);
+lean_dec(x_42);
+x_50 = lean_box(3);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_1);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_49);
+return x_52;
 }
 }
 else
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+uint8_t x_53; 
+x_53 = !lean_is_exclusive(x_42);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_42, 0);
+lean_dec(x_54);
+x_55 = lean_box(4);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_1);
+lean_ctor_set(x_42, 0, x_56);
+return x_42;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_57 = lean_ctor_get(x_42, 1);
+lean_inc(x_57);
+lean_dec(x_42);
+x_58 = lean_box(4);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_58);
+lean_ctor_set(x_59, 1, x_1);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_57);
+return x_60;
+}
+}
+}
+else
+{
+uint8_t x_61; 
 lean_dec(x_1);
-x_142 = lean_ctor_get(x_129, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_129, 1);
-lean_inc(x_143);
-if (lean_is_exclusive(x_129)) {
- lean_ctor_release(x_129, 0);
- lean_ctor_release(x_129, 1);
- x_144 = x_129;
-} else {
- lean_dec_ref(x_129);
- x_144 = lean_box(0);
+x_61 = !lean_is_exclusive(x_42);
+if (x_61 == 0)
+{
+return x_42;
 }
-if (lean_is_scalar(x_144)) {
- x_145 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_145 = x_144;
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_42, 0);
+x_63 = lean_ctor_get(x_42, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_42);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
 }
-lean_ctor_set(x_145, 0, x_142);
-lean_ctor_set(x_145, 1, x_143);
-return x_145;
 }
 }
 else
 {
-lean_object* x_146; lean_object* x_147; lean_object* x_148; 
-lean_dec(x_124);
-lean_dec(x_3);
-x_146 = lean_box(3);
-x_147 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_147, 0, x_146);
-lean_ctor_set(x_147, 1, x_1);
-x_148 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_148, 0, x_147);
-lean_ctor_set(x_148, 1, x_98);
-return x_148;
+lean_object* x_65; lean_object* x_66; 
+lean_dec(x_37);
+lean_dec(x_4);
+x_65 = lean_box(3);
+x_66 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_66, 0, x_65);
+lean_ctor_set(x_66, 1, x_1);
+lean_ctor_set(x_6, 0, x_66);
+return x_6;
 }
 }
 case 4:
 {
-lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_149 = lean_ctor_get(x_99, 0);
-lean_inc(x_149);
-x_150 = lean_unsigned_to_nat(0u);
-x_151 = l_Lean_Expr_getAppNumArgsAux___main(x_97, x_150);
-lean_inc(x_151);
-x_152 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_152, 0, x_149);
-lean_ctor_set(x_152, 1, x_151);
-lean_inc(x_3);
-lean_inc(x_151);
-x_153 = l_Lean_Meta_getFunInfoNArgs(x_99, x_151, x_3, x_98);
-if (lean_obj_tag(x_153) == 0)
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_free_object(x_6);
+x_67 = lean_ctor_get(x_10, 0);
+lean_inc(x_67);
+x_68 = lean_unsigned_to_nat(0u);
+x_69 = l_Lean_Expr_getAppNumArgsAux___main(x_8, x_68);
+lean_inc(x_69);
+x_70 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_70, 0, x_67);
+lean_ctor_set(x_70, 1, x_69);
+lean_inc(x_4);
+lean_inc(x_69);
+x_71 = l_Lean_Meta_getFunInfoNArgs(x_10, x_69, x_4, x_9);
+if (lean_obj_tag(x_71) == 0)
 {
-lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_154 = lean_ctor_get(x_153, 0);
-lean_inc(x_154);
-x_155 = lean_ctor_get(x_153, 1);
-lean_inc(x_155);
-lean_dec(x_153);
-x_156 = lean_ctor_get(x_154, 0);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unsigned_to_nat(1u);
-x_158 = lean_nat_sub(x_151, x_157);
-lean_dec(x_151);
-x_159 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_156, x_158, x_97, x_1, x_3, x_155);
-lean_dec(x_156);
-if (lean_obj_tag(x_159) == 0)
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_ctor_get(x_72, 0);
+lean_inc(x_74);
+lean_dec(x_72);
+x_75 = lean_unsigned_to_nat(1u);
+x_76 = lean_nat_sub(x_69, x_75);
+lean_dec(x_69);
+x_77 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_74, x_3, x_76, x_8, x_1, x_4, x_73);
+lean_dec(x_74);
+if (lean_obj_tag(x_77) == 0)
 {
-lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
-x_160 = lean_ctor_get(x_159, 0);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_159, 1);
-lean_inc(x_161);
-if (lean_is_exclusive(x_159)) {
- lean_ctor_release(x_159, 0);
- lean_ctor_release(x_159, 1);
- x_162 = x_159;
-} else {
- lean_dec_ref(x_159);
- x_162 = lean_box(0);
-}
-x_163 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_163, 0, x_152);
-lean_ctor_set(x_163, 1, x_160);
-if (lean_is_scalar(x_162)) {
- x_164 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_164 = x_162;
-}
-lean_ctor_set(x_164, 0, x_163);
-lean_ctor_set(x_164, 1, x_161);
-return x_164;
+uint8_t x_78; 
+x_78 = !lean_is_exclusive(x_77);
+if (x_78 == 0)
+{
+lean_object* x_79; lean_object* x_80; 
+x_79 = lean_ctor_get(x_77, 0);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_70);
+lean_ctor_set(x_80, 1, x_79);
+lean_ctor_set(x_77, 0, x_80);
+return x_77;
 }
 else
 {
-lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-lean_dec(x_152);
-x_165 = lean_ctor_get(x_159, 0);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_159, 1);
-lean_inc(x_166);
-if (lean_is_exclusive(x_159)) {
- lean_ctor_release(x_159, 0);
- lean_ctor_release(x_159, 1);
- x_167 = x_159;
-} else {
- lean_dec_ref(x_159);
- x_167 = lean_box(0);
-}
-if (lean_is_scalar(x_167)) {
- x_168 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_168 = x_167;
-}
-lean_ctor_set(x_168, 0, x_165);
-lean_ctor_set(x_168, 1, x_166);
-return x_168;
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_81 = lean_ctor_get(x_77, 0);
+x_82 = lean_ctor_get(x_77, 1);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_77);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_70);
+lean_ctor_set(x_83, 1, x_81);
+x_84 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_84, 0, x_83);
+lean_ctor_set(x_84, 1, x_82);
+return x_84;
 }
 }
 else
 {
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
-lean_dec(x_152);
-lean_dec(x_151);
-lean_dec(x_97);
-lean_dec(x_3);
+uint8_t x_85; 
+lean_dec(x_70);
+x_85 = !lean_is_exclusive(x_77);
+if (x_85 == 0)
+{
+return x_77;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_86 = lean_ctor_get(x_77, 0);
+x_87 = lean_ctor_get(x_77, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_77);
+x_88 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_88, 0, x_86);
+lean_ctor_set(x_88, 1, x_87);
+return x_88;
+}
+}
+}
+else
+{
+uint8_t x_89; 
+lean_dec(x_70);
+lean_dec(x_69);
+lean_dec(x_8);
+lean_dec(x_4);
 lean_dec(x_1);
-x_169 = lean_ctor_get(x_153, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_153, 1);
-lean_inc(x_170);
-if (lean_is_exclusive(x_153)) {
- lean_ctor_release(x_153, 0);
- lean_ctor_release(x_153, 1);
- x_171 = x_153;
-} else {
- lean_dec_ref(x_153);
- x_171 = lean_box(0);
+x_89 = !lean_is_exclusive(x_71);
+if (x_89 == 0)
+{
+return x_71;
 }
-if (lean_is_scalar(x_171)) {
- x_172 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_172 = x_171;
+else
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_90 = lean_ctor_get(x_71, 0);
+x_91 = lean_ctor_get(x_71, 1);
+lean_inc(x_91);
+lean_inc(x_90);
+lean_dec(x_71);
+x_92 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_92, 0, x_90);
+lean_ctor_set(x_92, 1, x_91);
+return x_92;
 }
-lean_ctor_set(x_172, 0, x_169);
-lean_ctor_set(x_172, 1, x_170);
-return x_172;
 }
 }
 case 9:
 {
-lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-lean_dec(x_97);
-lean_dec(x_3);
-x_173 = lean_ctor_get(x_99, 0);
-lean_inc(x_173);
-lean_dec(x_99);
-x_174 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_174, 0, x_173);
-x_175 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_175, 0, x_174);
-lean_ctor_set(x_175, 1, x_1);
-x_176 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_176, 0, x_175);
-lean_ctor_set(x_176, 1, x_98);
-return x_176;
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+lean_dec(x_8);
+lean_dec(x_4);
+x_93 = lean_ctor_get(x_10, 0);
+lean_inc(x_93);
+lean_dec(x_10);
+x_94 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_94, 0, x_93);
+x_95 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_95, 0, x_94);
+lean_ctor_set(x_95, 1, x_1);
+lean_ctor_set(x_6, 0, x_95);
+return x_6;
 }
 default: 
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-lean_dec(x_99);
-lean_dec(x_97);
-lean_dec(x_3);
-x_177 = lean_box(4);
-x_178 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_1);
+lean_object* x_96; lean_object* x_97; 
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_4);
+x_96 = lean_box(4);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_1);
+lean_ctor_set(x_6, 0, x_97);
+return x_6;
+}
+}
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_6, 0);
+x_99 = lean_ctor_get(x_6, 1);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_6);
+x_100 = l_Lean_Expr_getAppFn___main(x_98);
+switch (lean_obj_tag(x_100)) {
+case 1:
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_unsigned_to_nat(0u);
+x_103 = l_Lean_Expr_getAppNumArgsAux___main(x_98, x_102);
+lean_inc(x_103);
+x_104 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_104, 0, x_101);
+lean_ctor_set(x_104, 1, x_103);
+lean_inc(x_4);
+lean_inc(x_103);
+x_105 = l_Lean_Meta_getFunInfoNArgs(x_100, x_103, x_4, x_99);
+if (lean_obj_tag(x_105) == 0)
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_106 = lean_ctor_get(x_105, 0);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
+lean_dec(x_105);
+x_108 = lean_ctor_get(x_106, 0);
+lean_inc(x_108);
+lean_dec(x_106);
+x_109 = lean_unsigned_to_nat(1u);
+x_110 = lean_nat_sub(x_103, x_109);
+lean_dec(x_103);
+x_111 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_108, x_3, x_110, x_98, x_1, x_4, x_107);
+lean_dec(x_108);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_111, 1);
+lean_inc(x_113);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_114 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_114 = lean_box(0);
+}
+x_115 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_115, 0, x_104);
+lean_ctor_set(x_115, 1, x_112);
+if (lean_is_scalar(x_114)) {
+ x_116 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_116 = x_114;
+}
+lean_ctor_set(x_116, 0, x_115);
+lean_ctor_set(x_116, 1, x_113);
+return x_116;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+lean_dec(x_104);
+x_117 = lean_ctor_get(x_111, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_111, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_119 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_119 = lean_box(0);
+}
+if (lean_is_scalar(x_119)) {
+ x_120 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_120 = x_119;
+}
+lean_ctor_set(x_120, 0, x_117);
+lean_ctor_set(x_120, 1, x_118);
+return x_120;
+}
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+lean_dec(x_104);
+lean_dec(x_103);
+lean_dec(x_98);
+lean_dec(x_4);
+lean_dec(x_1);
+x_121 = lean_ctor_get(x_105, 0);
+lean_inc(x_121);
+x_122 = lean_ctor_get(x_105, 1);
+lean_inc(x_122);
+if (lean_is_exclusive(x_105)) {
+ lean_ctor_release(x_105, 0);
+ lean_ctor_release(x_105, 1);
+ x_123 = x_105;
+} else {
+ lean_dec_ref(x_105);
+ x_123 = lean_box(0);
+}
+if (lean_is_scalar(x_123)) {
+ x_124 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_124 = x_123;
+}
+lean_ctor_set(x_124, 0, x_121);
+lean_ctor_set(x_124, 1, x_122);
+return x_124;
+}
+}
+case 2:
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; uint8_t x_128; uint8_t x_129; 
+lean_dec(x_98);
+x_125 = lean_ctor_get(x_100, 0);
+lean_inc(x_125);
+lean_dec(x_100);
+x_126 = l___private_Init_Lean_Meta_DiscrTree_1__tmpMVarId;
+x_127 = lean_name_eq(x_125, x_126);
+x_128 = 1;
+x_129 = l_Bool_DecidableEq(x_127, x_128);
+if (x_129 == 0)
+{
+lean_object* x_130; 
+x_130 = l_Lean_Meta_isReadOnlyOrSyntheticExprMVar(x_125, x_4, x_99);
+lean_dec(x_4);
+if (lean_obj_tag(x_130) == 0)
+{
+lean_object* x_131; uint8_t x_132; 
+x_131 = lean_ctor_get(x_130, 0);
+lean_inc(x_131);
+x_132 = lean_unbox(x_131);
+lean_dec(x_131);
+if (x_132 == 0)
+{
+lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+x_133 = lean_ctor_get(x_130, 1);
+lean_inc(x_133);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_134 = x_130;
+} else {
+ lean_dec_ref(x_130);
+ x_134 = lean_box(0);
+}
+x_135 = lean_box(3);
+x_136 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_136, 0, x_135);
+lean_ctor_set(x_136, 1, x_1);
+if (lean_is_scalar(x_134)) {
+ x_137 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_137 = x_134;
+}
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_133);
+return x_137;
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_138 = lean_ctor_get(x_130, 1);
+lean_inc(x_138);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_139 = x_130;
+} else {
+ lean_dec_ref(x_130);
+ x_139 = lean_box(0);
+}
+x_140 = lean_box(4);
+x_141 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_141, 0, x_140);
+lean_ctor_set(x_141, 1, x_1);
+if (lean_is_scalar(x_139)) {
+ x_142 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_142 = x_139;
+}
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_138);
+return x_142;
+}
+}
+else
+{
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_1);
+x_143 = lean_ctor_get(x_130, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_130, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_130)) {
+ lean_ctor_release(x_130, 0);
+ lean_ctor_release(x_130, 1);
+ x_145 = x_130;
+} else {
+ lean_dec_ref(x_130);
+ x_145 = lean_box(0);
+}
+if (lean_is_scalar(x_145)) {
+ x_146 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_146 = x_145;
+}
+lean_ctor_set(x_146, 0, x_143);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
+}
+}
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; 
+lean_dec(x_125);
+lean_dec(x_4);
+x_147 = lean_box(3);
+x_148 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_148, 0, x_147);
+lean_ctor_set(x_148, 1, x_1);
+x_149 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_149, 0, x_148);
+lean_ctor_set(x_149, 1, x_99);
+return x_149;
+}
+}
+case 4:
+{
+lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_150 = lean_ctor_get(x_100, 0);
+lean_inc(x_150);
+x_151 = lean_unsigned_to_nat(0u);
+x_152 = l_Lean_Expr_getAppNumArgsAux___main(x_98, x_151);
+lean_inc(x_152);
+x_153 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_153, 0, x_150);
+lean_ctor_set(x_153, 1, x_152);
+lean_inc(x_4);
+lean_inc(x_152);
+x_154 = l_Lean_Meta_getFunInfoNArgs(x_100, x_152, x_4, x_99);
+if (lean_obj_tag(x_154) == 0)
+{
+lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+x_155 = lean_ctor_get(x_154, 0);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_154, 1);
+lean_inc(x_156);
+lean_dec(x_154);
+x_157 = lean_ctor_get(x_155, 0);
+lean_inc(x_157);
+lean_dec(x_155);
+x_158 = lean_unsigned_to_nat(1u);
+x_159 = lean_nat_sub(x_152, x_158);
+lean_dec(x_152);
+x_160 = l___private_Init_Lean_Meta_DiscrTree_3__pushArgsAux___main(x_157, x_3, x_159, x_98, x_1, x_4, x_156);
+lean_dec(x_157);
+if (lean_obj_tag(x_160) == 0)
+{
+lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ x_163 = x_160;
+} else {
+ lean_dec_ref(x_160);
+ x_163 = lean_box(0);
+}
+x_164 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_164, 0, x_153);
+lean_ctor_set(x_164, 1, x_161);
+if (lean_is_scalar(x_163)) {
+ x_165 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_165 = x_163;
+}
+lean_ctor_set(x_165, 0, x_164);
+lean_ctor_set(x_165, 1, x_162);
+return x_165;
+}
+else
+{
+lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
+lean_dec(x_153);
+x_166 = lean_ctor_get(x_160, 0);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_160, 1);
+lean_inc(x_167);
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ x_168 = x_160;
+} else {
+ lean_dec_ref(x_160);
+ x_168 = lean_box(0);
+}
+if (lean_is_scalar(x_168)) {
+ x_169 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_169 = x_168;
+}
+lean_ctor_set(x_169, 0, x_166);
+lean_ctor_set(x_169, 1, x_167);
+return x_169;
+}
+}
+else
+{
+lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+lean_dec(x_153);
+lean_dec(x_152);
+lean_dec(x_98);
+lean_dec(x_4);
+lean_dec(x_1);
+x_170 = lean_ctor_get(x_154, 0);
+lean_inc(x_170);
+x_171 = lean_ctor_get(x_154, 1);
+lean_inc(x_171);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_172 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_172 = lean_box(0);
+}
+if (lean_is_scalar(x_172)) {
+ x_173 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_173 = x_172;
+}
+lean_ctor_set(x_173, 0, x_170);
+lean_ctor_set(x_173, 1, x_171);
+return x_173;
+}
+}
+case 9:
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
+lean_dec(x_98);
+lean_dec(x_4);
+x_174 = lean_ctor_get(x_100, 0);
+lean_inc(x_174);
+lean_dec(x_100);
+x_175 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_175, 0, x_174);
+x_176 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_176, 0, x_175);
+lean_ctor_set(x_176, 1, x_1);
+x_177 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_99);
+return x_177;
+}
+default: 
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+lean_dec(x_100);
+lean_dec(x_98);
+lean_dec(x_4);
+x_178 = lean_box(4);
 x_179 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_179, 0, x_178);
-lean_ctor_set(x_179, 1, x_98);
-return x_179;
+lean_ctor_set(x_179, 1, x_1);
+x_180 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_99);
+return x_180;
 }
 }
 }
 }
 else
 {
-uint8_t x_180; 
-lean_dec(x_3);
+uint8_t x_181; 
+lean_dec(x_4);
 lean_dec(x_1);
-x_180 = !lean_is_exclusive(x_5);
-if (x_180 == 0)
+x_181 = !lean_is_exclusive(x_6);
+if (x_181 == 0)
 {
-return x_5;
+return x_6;
 }
 else
 {
-lean_object* x_181; lean_object* x_182; lean_object* x_183; 
-x_181 = lean_ctor_get(x_5, 0);
-x_182 = lean_ctor_get(x_5, 1);
+lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+x_182 = lean_ctor_get(x_6, 0);
+x_183 = lean_ctor_get(x_6, 1);
+lean_inc(x_183);
 lean_inc(x_182);
-lean_inc(x_181);
-lean_dec(x_5);
-x_183 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_183, 0, x_181);
-lean_ctor_set(x_183, 1, x_182);
-return x_183;
+lean_dec(x_6);
+x_184 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_184, 0, x_182);
+lean_ctor_set(x_184, 1, x_183);
+return x_184;
 }
 }
 }
 }
+lean_object* l___private_Init_Lean_Meta_DiscrTree_4__pushArgs___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; lean_object* x_7; 
+x_6 = lean_unbox(x_3);
+lean_dec(x_3);
+x_7 = l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(x_1, x_2, x_6, x_4, x_5);
+return x_7;
+}
+}
 lean_object* l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___main___spec__1(lean_object* x_1) {
 _start:
 {
@@ -2148,73 +2268,73 @@ lean_dec(x_4);
 return x_6;
 }
 }
-lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-uint8_t x_5; uint8_t x_6; uint8_t x_7; 
-x_5 = l_Array_isEmpty___rarg(x_1);
-x_6 = 1;
-x_7 = l_Bool_DecidableEq(x_5, x_6);
-if (x_7 == 0)
+uint8_t x_6; uint8_t x_7; uint8_t x_8; 
+x_6 = l_Array_isEmpty___rarg(x_2);
+x_7 = 1;
+x_8 = l_Bool_DecidableEq(x_6, x_7);
+if (x_8 == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___main___spec__1(x_1);
-x_9 = lean_array_pop(x_1);
-lean_inc(x_3);
-x_10 = l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(x_9, x_8, x_3, x_4);
-if (lean_obj_tag(x_10) == 0)
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = l_Array_back___at_Lean_Meta_DiscrTree_mkPathAux___main___spec__1(x_2);
+x_10 = lean_array_pop(x_2);
+lean_inc(x_4);
+x_11 = l___private_Init_Lean_Meta_DiscrTree_4__pushArgs(x_10, x_9, x_1, x_4, x_5);
+if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_ctor_get(x_11, 0);
+x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
 lean_dec(x_11);
-x_15 = lean_array_push(x_2, x_13);
-x_1 = x_14;
+x_14 = lean_ctor_get(x_12, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_12, 1);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = lean_array_push(x_3, x_14);
 x_2 = x_15;
-x_4 = x_12;
+x_3 = x_16;
+x_5 = x_13;
 goto _start;
 }
 else
 {
-uint8_t x_17; 
+uint8_t x_18; 
+lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-x_17 = !lean_is_exclusive(x_10);
-if (x_17 == 0)
+x_18 = !lean_is_exclusive(x_11);
+if (x_18 == 0)
 {
-return x_10;
+return x_11;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_10, 0);
-x_19 = lean_ctor_get(x_10, 1);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_11, 0);
+x_20 = lean_ctor_get(x_11, 1);
+lean_inc(x_20);
 lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_10);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_18);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
+lean_dec(x_11);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
 }
 }
 }
 else
 {
-lean_object* x_21; 
-lean_dec(x_3);
-lean_dec(x_1);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_2);
-lean_ctor_set(x_21, 1, x_4);
-return x_21;
+lean_object* x_22; 
+lean_dec(x_4);
+lean_dec(x_2);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_3);
+lean_ctor_set(x_22, 1, x_5);
+return x_22;
 }
 }
 }
@@ -2227,12 +2347,32 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l_Lean_Meta_DiscrTree_mkPathAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-lean_object* x_5; 
-x_5 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_1, x_2, x_3, x_4);
-return x_5;
+uint8_t x_6; lean_object* x_7; 
+x_6 = lean_unbox(x_1);
+lean_dec(x_1);
+x_7 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_6, x_2, x_3, x_4, x_5);
+return x_7;
+}
+}
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_1, x_2, x_3, x_4, x_5);
+return x_6;
+}
+}
+lean_object* l_Lean_Meta_DiscrTree_mkPathAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; lean_object* x_7; 
+x_6 = lean_unbox(x_1);
+lean_dec(x_1);
+x_7 = l_Lean_Meta_DiscrTree_mkPathAux(x_6, x_2, x_3, x_4, x_5);
+return x_7;
 }
 }
 lean_object* _init_l___private_Init_Lean_Meta_DiscrTree_5__initCapacity() {
@@ -2252,95 +2392,105 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = l_Lean_Meta_DiscrTree_mkPath___closed__1;
-x_5 = lean_array_push(x_4, x_1);
-x_6 = !lean_is_exclusive(x_2);
-if (x_6 == 0)
+lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+x_5 = l_Lean_Meta_DiscrTree_mkPath___closed__1;
+x_6 = lean_array_push(x_5, x_1);
+x_7 = !lean_is_exclusive(x_3);
+if (x_7 == 0)
 {
-lean_object* x_7; uint8_t x_8; 
-x_7 = lean_ctor_get(x_2, 0);
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
+lean_object* x_8; uint8_t x_9; 
+x_8 = lean_ctor_get(x_3, 0);
+x_9 = !lean_is_exclusive(x_8);
+if (x_9 == 0)
 {
-uint8_t x_9; lean_object* x_10; 
-x_9 = 2;
-lean_ctor_set_uint8(x_7, sizeof(void*)*1 + 5, x_9);
-x_10 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_5, x_4, x_2, x_3);
-return x_10;
+uint8_t x_10; lean_object* x_11; 
+x_10 = 2;
+lean_ctor_set_uint8(x_8, sizeof(void*)*1 + 5, x_10);
+x_11 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_2, x_6, x_5, x_3, x_4);
+return x_11;
 }
 else
 {
-lean_object* x_11; uint8_t x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; lean_object* x_19; 
-x_11 = lean_ctor_get(x_7, 0);
-x_12 = lean_ctor_get_uint8(x_7, sizeof(void*)*1);
-x_13 = lean_ctor_get_uint8(x_7, sizeof(void*)*1 + 1);
-x_14 = lean_ctor_get_uint8(x_7, sizeof(void*)*1 + 2);
-x_15 = lean_ctor_get_uint8(x_7, sizeof(void*)*1 + 3);
-x_16 = lean_ctor_get_uint8(x_7, sizeof(void*)*1 + 4);
-lean_inc(x_11);
-lean_dec(x_7);
-x_17 = 2;
-x_18 = lean_alloc_ctor(0, 1, 6);
-lean_ctor_set(x_18, 0, x_11);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1, x_12);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1 + 1, x_13);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1 + 2, x_14);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1 + 3, x_15);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1 + 4, x_16);
-lean_ctor_set_uint8(x_18, sizeof(void*)*1 + 5, x_17);
-lean_ctor_set(x_2, 0, x_18);
-x_19 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_5, x_4, x_2, x_3);
-return x_19;
+lean_object* x_12; uint8_t x_13; uint8_t x_14; uint8_t x_15; uint8_t x_16; uint8_t x_17; uint8_t x_18; lean_object* x_19; lean_object* x_20; 
+x_12 = lean_ctor_get(x_8, 0);
+x_13 = lean_ctor_get_uint8(x_8, sizeof(void*)*1);
+x_14 = lean_ctor_get_uint8(x_8, sizeof(void*)*1 + 1);
+x_15 = lean_ctor_get_uint8(x_8, sizeof(void*)*1 + 2);
+x_16 = lean_ctor_get_uint8(x_8, sizeof(void*)*1 + 3);
+x_17 = lean_ctor_get_uint8(x_8, sizeof(void*)*1 + 4);
+lean_inc(x_12);
+lean_dec(x_8);
+x_18 = 2;
+x_19 = lean_alloc_ctor(0, 1, 6);
+lean_ctor_set(x_19, 0, x_12);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1, x_13);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1 + 1, x_14);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1 + 2, x_15);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1 + 3, x_16);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1 + 4, x_17);
+lean_ctor_set_uint8(x_19, sizeof(void*)*1 + 5, x_18);
+lean_ctor_set(x_3, 0, x_19);
+x_20 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_2, x_6, x_5, x_3, x_4);
+return x_20;
 }
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; uint8_t x_25; uint8_t x_26; uint8_t x_27; uint8_t x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_20 = lean_ctor_get(x_2, 0);
-x_21 = lean_ctor_get(x_2, 1);
-x_22 = lean_ctor_get(x_2, 2);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; uint8_t x_26; uint8_t x_27; uint8_t x_28; uint8_t x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_21 = lean_ctor_get(x_3, 0);
+x_22 = lean_ctor_get(x_3, 1);
+x_23 = lean_ctor_get(x_3, 2);
+lean_inc(x_23);
 lean_inc(x_22);
 lean_inc(x_21);
-lean_inc(x_20);
+lean_dec(x_3);
+x_24 = lean_ctor_get(x_21, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get_uint8(x_21, sizeof(void*)*1);
+x_26 = lean_ctor_get_uint8(x_21, sizeof(void*)*1 + 1);
+x_27 = lean_ctor_get_uint8(x_21, sizeof(void*)*1 + 2);
+x_28 = lean_ctor_get_uint8(x_21, sizeof(void*)*1 + 3);
+x_29 = lean_ctor_get_uint8(x_21, sizeof(void*)*1 + 4);
+if (lean_is_exclusive(x_21)) {
+ lean_ctor_release(x_21, 0);
+ x_30 = x_21;
+} else {
+ lean_dec_ref(x_21);
+ x_30 = lean_box(0);
+}
+x_31 = 2;
+if (lean_is_scalar(x_30)) {
+ x_32 = lean_alloc_ctor(0, 1, 6);
+} else {
+ x_32 = x_30;
+}
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1, x_25);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1 + 1, x_26);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1 + 2, x_27);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1 + 3, x_28);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1 + 4, x_29);
+lean_ctor_set_uint8(x_32, sizeof(void*)*1 + 5, x_31);
+x_33 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_22);
+lean_ctor_set(x_33, 2, x_23);
+x_34 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_2, x_6, x_5, x_33, x_4);
+return x_34;
+}
+}
+}
+lean_object* l_Lean_Meta_DiscrTree_mkPath___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; 
+x_5 = lean_unbox(x_2);
 lean_dec(x_2);
-x_23 = lean_ctor_get(x_20, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_20, sizeof(void*)*1);
-x_25 = lean_ctor_get_uint8(x_20, sizeof(void*)*1 + 1);
-x_26 = lean_ctor_get_uint8(x_20, sizeof(void*)*1 + 2);
-x_27 = lean_ctor_get_uint8(x_20, sizeof(void*)*1 + 3);
-x_28 = lean_ctor_get_uint8(x_20, sizeof(void*)*1 + 4);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- x_29 = x_20;
-} else {
- lean_dec_ref(x_20);
- x_29 = lean_box(0);
-}
-x_30 = 2;
-if (lean_is_scalar(x_29)) {
- x_31 = lean_alloc_ctor(0, 1, 6);
-} else {
- x_31 = x_29;
-}
-lean_ctor_set(x_31, 0, x_23);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1, x_24);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1 + 1, x_25);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1 + 2, x_26);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1 + 3, x_27);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1 + 4, x_28);
-lean_ctor_set_uint8(x_31, sizeof(void*)*1 + 5, x_30);
-x_32 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_32, 1, x_21);
-lean_ctor_set(x_32, 2, x_22);
-x_33 = l_Lean_Meta_DiscrTree_mkPathAux___main(x_5, x_4, x_32, x_3);
-return x_33;
-}
+x_6 = l_Lean_Meta_DiscrTree_mkPath(x_1, x_5, x_3, x_4);
+return x_6;
 }
 }
 lean_object* l___private_Init_Lean_Meta_DiscrTree_6__createNodes___main___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -4449,63 +4599,63 @@ lean_dec(x_3);
 return x_5;
 }
 }
-lean_object* l_Lean_Meta_DiscrTree_insert___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* l_Lean_Meta_DiscrTree_insert___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_7; 
-x_7 = l_Lean_Meta_DiscrTree_mkPath(x_3, x_5, x_6);
-if (lean_obj_tag(x_7) == 0)
+lean_object* x_8; 
+x_8 = l_Lean_Meta_DiscrTree_mkPath(x_3, x_5, x_6, x_7);
+if (lean_obj_tag(x_8) == 0)
 {
-uint8_t x_8; 
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_8);
+if (x_9 == 0)
 {
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_ctor_get(x_7, 0);
-x_10 = l_Lean_Meta_DiscrTree_insertCore___rarg(x_1, x_2, x_9, x_4);
-lean_dec(x_9);
-lean_ctor_set(x_7, 0, x_10);
-return x_7;
+lean_object* x_10; lean_object* x_11; 
+x_10 = lean_ctor_get(x_8, 0);
+x_11 = l_Lean_Meta_DiscrTree_insertCore___rarg(x_1, x_2, x_10, x_4);
+lean_dec(x_10);
+lean_ctor_set(x_8, 0, x_11);
+return x_8;
 }
 else
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_11 = lean_ctor_get(x_7, 0);
-x_12 = lean_ctor_get(x_7, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_12 = lean_ctor_get(x_8, 0);
+x_13 = lean_ctor_get(x_8, 1);
+lean_inc(x_13);
 lean_inc(x_12);
-lean_inc(x_11);
-lean_dec(x_7);
-x_13 = l_Lean_Meta_DiscrTree_insertCore___rarg(x_1, x_2, x_11, x_4);
-lean_dec(x_11);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
+lean_dec(x_8);
+x_14 = l_Lean_Meta_DiscrTree_insertCore___rarg(x_1, x_2, x_12, x_4);
+lean_dec(x_12);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_13);
+return x_15;
 }
 }
 else
 {
-uint8_t x_15; 
+uint8_t x_16; 
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_15 = !lean_is_exclusive(x_7);
-if (x_15 == 0)
+x_16 = !lean_is_exclusive(x_8);
+if (x_16 == 0)
 {
-return x_7;
+return x_8;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_7, 0);
-x_17 = lean_ctor_get(x_7, 1);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_8, 0);
+x_18 = lean_ctor_get(x_8, 1);
+lean_inc(x_18);
 lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_7);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
+lean_dec(x_8);
+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;
 }
 }
 }
@@ -4514,10 +4664,20 @@ lean_object* l_Lean_Meta_DiscrTree_insert(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_DiscrTree_insert___rarg), 6, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_DiscrTree_insert___rarg___boxed), 7, 0);
 return x_2;
 }
 }
+lean_object* l_Lean_Meta_DiscrTree_insert___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) {
+_start:
+{
+uint8_t x_8; lean_object* x_9; 
+x_8 = lean_unbox(x_5);
+lean_dec(x_5);
+x_9 = l_Lean_Meta_DiscrTree_insert___rarg(x_1, x_2, x_3, x_4, x_8, x_6, x_7);
+return x_9;
+}
+}
 lean_object* l_Lean_fmt___at_Lean_Meta_DiscrTree_Trie_format___main___spec__1(lean_object* x_1) {
 _start:
 {
diff --git a/stage0/stdlib/Init/Lean/Meta/Instances.c b/stage0/stdlib/Init/Lean/Meta/Instances.c
index 46d9f9d320..94ec89966d 100644
--- a/stage0/stdlib/Init/Lean/Meta/Instances.c
+++ b/stage0/stdlib/Init/Lean/Meta/Instances.c
@@ -18,6 +18,7 @@ lean_object* l_Lean_Meta_mkInstanceExtension___lambda__1___boxed(lean_object*);
 lean_object* l_Lean_Meta_instanceExtension___elambda__4___boxed(lean_object*);
 lean_object* l_Lean_Meta_DiscrTree_insertCore___at_Lean_Meta_addInstanceEntry___spec__1(lean_object*, lean_object*, lean_object*);
 size_t l_USize_add(size_t, size_t);
+lean_object* l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1;
 lean_object* l_Lean_registerPersistentEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__5(lean_object*, lean_object*);
 extern lean_object* l___private_Init_Lean_Environment_8__persistentEnvExtensionsRef;
 lean_object* l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7___closed__1;
@@ -107,7 +108,7 @@ lean_object* l_Lean_PersistentEnvExtension_addEntry___rarg(lean_object*, lean_ob
 size_t l_USize_land(size_t, size_t);
 lean_object* l_Lean_Meta_addGlobalInstance___closed__2;
 lean_object* l_Lean_SimplePersistentEnvExtension_getState___rarg(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_mkPath(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallMetaTelescopeReducing(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_registerPersistentEnvExtensionUnsafe___rarg___closed__3;
 lean_object* l_Lean_Meta_getInstances(lean_object*);
@@ -180,6 +181,7 @@ lean_object* l_Lean_Meta_addGlobalInstance___closed__3;
 size_t l_Lean_Meta_DiscrTree_Key_hash(lean_object*);
 lean_object* l_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Meta_addInstanceEntry___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DiscrTree_empty(lean_object*);
 lean_object* l_Lean_Meta_instanceExtension___elambda__2___boxed(lean_object*);
 extern lean_object* l_Lean_NameGenerator_Inhabited___closed__3;
 lean_object* l_Lean_Meta_instanceExtension___closed__6;
@@ -2555,12 +2557,20 @@ x_9 = l_Lean_registerPersistentEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExten
 return x_9;
 }
 }
+lean_object* _init_l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_Meta_DiscrTree_empty(lean_box(0));
+return x_1;
+}
+}
 lean_object* l_Lean_Meta_mkInstanceExtension___lambda__1(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l_Lean_Meta_DiscrTree_empty___closed__1;
+x_3 = l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1;
 x_4 = l_Array_iterateMAux___main___at_Lean_Meta_mkInstanceExtension___spec__3(x_1, x_1, x_2, x_3);
 return x_4;
 }
@@ -2850,7 +2860,7 @@ x_12 = l_Lean_Meta_forallMetaTelescopeReducing(x_5, x_7, x_2, x_6);
 lean_dec(x_5);
 if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
 x_13 = lean_ctor_get(x_12, 0);
 lean_inc(x_13);
 x_14 = lean_ctor_get(x_13, 1);
@@ -2862,508 +2872,510 @@ lean_dec(x_12);
 x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
 lean_dec(x_14);
-x_17 = l_Lean_Meta_DiscrTree_mkPath(x_16, x_2, x_15);
-if (lean_obj_tag(x_17) == 0)
+x_17 = 0;
+x_18 = l_Lean_Meta_DiscrTree_mkPath(x_16, x_17, x_2, x_15);
+if (lean_obj_tag(x_18) == 0)
 {
-uint8_t x_18; 
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_18);
+if (x_19 == 0)
 {
-lean_object* x_19; uint8_t x_20; 
-x_19 = lean_ctor_get(x_17, 1);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_18, 1);
+x_21 = !lean_is_exclusive(x_20);
+if (x_21 == 0)
 {
-lean_object* x_21; lean_object* x_22; 
-x_21 = lean_ctor_get(x_19, 2);
-lean_dec(x_21);
-x_22 = lean_ctor_get(x_19, 1);
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_20, 2);
 lean_dec(x_22);
-lean_ctor_set(x_19, 2, x_10);
-lean_ctor_set(x_19, 1, x_9);
-return x_17;
+x_23 = lean_ctor_get(x_20, 1);
+lean_dec(x_23);
+lean_ctor_set(x_20, 2, x_10);
+lean_ctor_set(x_20, 1, x_9);
+return x_18;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_19, 0);
-x_24 = lean_ctor_get(x_19, 3);
-x_25 = lean_ctor_get(x_19, 4);
-x_26 = lean_ctor_get(x_19, 5);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_24 = lean_ctor_get(x_20, 0);
+x_25 = lean_ctor_get(x_20, 3);
+x_26 = lean_ctor_get(x_20, 4);
+x_27 = lean_ctor_get(x_20, 5);
+lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
-lean_inc(x_23);
-lean_dec(x_19);
-x_27 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_27, 0, x_23);
-lean_ctor_set(x_27, 1, x_9);
-lean_ctor_set(x_27, 2, x_10);
-lean_ctor_set(x_27, 3, x_24);
-lean_ctor_set(x_27, 4, x_25);
-lean_ctor_set(x_27, 5, x_26);
-lean_ctor_set(x_17, 1, x_27);
-return x_17;
+lean_dec(x_20);
+x_28 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_28, 0, x_24);
+lean_ctor_set(x_28, 1, x_9);
+lean_ctor_set(x_28, 2, x_10);
+lean_ctor_set(x_28, 3, x_25);
+lean_ctor_set(x_28, 4, x_26);
+lean_ctor_set(x_28, 5, x_27);
+lean_ctor_set(x_18, 1, x_28);
+return x_18;
 }
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_28 = lean_ctor_get(x_17, 1);
-x_29 = lean_ctor_get(x_17, 0);
-lean_inc(x_28);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_29 = lean_ctor_get(x_18, 1);
+x_30 = lean_ctor_get(x_18, 0);
 lean_inc(x_29);
-lean_dec(x_17);
-x_30 = lean_ctor_get(x_28, 0);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_28, 3);
+lean_dec(x_18);
+x_31 = lean_ctor_get(x_29, 0);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_28, 4);
+x_32 = lean_ctor_get(x_29, 3);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_28, 5);
+x_33 = lean_ctor_get(x_29, 4);
 lean_inc(x_33);
-if (lean_is_exclusive(x_28)) {
- lean_ctor_release(x_28, 0);
- lean_ctor_release(x_28, 1);
- lean_ctor_release(x_28, 2);
- lean_ctor_release(x_28, 3);
- lean_ctor_release(x_28, 4);
- lean_ctor_release(x_28, 5);
- x_34 = x_28;
+x_34 = lean_ctor_get(x_29, 5);
+lean_inc(x_34);
+if (lean_is_exclusive(x_29)) {
+ lean_ctor_release(x_29, 0);
+ lean_ctor_release(x_29, 1);
+ lean_ctor_release(x_29, 2);
+ lean_ctor_release(x_29, 3);
+ lean_ctor_release(x_29, 4);
+ lean_ctor_release(x_29, 5);
+ x_35 = x_29;
 } else {
- lean_dec_ref(x_28);
- x_34 = lean_box(0);
+ lean_dec_ref(x_29);
+ x_35 = lean_box(0);
 }
-if (lean_is_scalar(x_34)) {
- x_35 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_35)) {
+ x_36 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_35 = x_34;
+ x_36 = x_35;
 }
-lean_ctor_set(x_35, 0, x_30);
-lean_ctor_set(x_35, 1, x_9);
-lean_ctor_set(x_35, 2, x_10);
-lean_ctor_set(x_35, 3, x_31);
-lean_ctor_set(x_35, 4, x_32);
-lean_ctor_set(x_35, 5, x_33);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_29);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
+lean_ctor_set(x_36, 0, x_31);
+lean_ctor_set(x_36, 1, x_9);
+lean_ctor_set(x_36, 2, x_10);
+lean_ctor_set(x_36, 3, x_32);
+lean_ctor_set(x_36, 4, x_33);
+lean_ctor_set(x_36, 5, x_34);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_30);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
 }
 }
 else
 {
-uint8_t x_37; 
-x_37 = !lean_is_exclusive(x_17);
-if (x_37 == 0)
+uint8_t x_38; 
+x_38 = !lean_is_exclusive(x_18);
+if (x_38 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_17, 1);
-x_39 = !lean_is_exclusive(x_38);
-if (x_39 == 0)
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_18, 1);
+x_40 = !lean_is_exclusive(x_39);
+if (x_40 == 0)
 {
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_38, 2);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_38, 1);
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_39, 2);
 lean_dec(x_41);
-lean_ctor_set(x_38, 2, x_10);
-lean_ctor_set(x_38, 1, x_9);
-return x_17;
+x_42 = lean_ctor_get(x_39, 1);
+lean_dec(x_42);
+lean_ctor_set(x_39, 2, x_10);
+lean_ctor_set(x_39, 1, x_9);
+return x_18;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_42 = lean_ctor_get(x_38, 0);
-x_43 = lean_ctor_get(x_38, 3);
-x_44 = lean_ctor_get(x_38, 4);
-x_45 = lean_ctor_get(x_38, 5);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_43 = lean_ctor_get(x_39, 0);
+x_44 = lean_ctor_get(x_39, 3);
+x_45 = lean_ctor_get(x_39, 4);
+x_46 = lean_ctor_get(x_39, 5);
+lean_inc(x_46);
 lean_inc(x_45);
 lean_inc(x_44);
 lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_38);
-x_46 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_46, 0, x_42);
-lean_ctor_set(x_46, 1, x_9);
-lean_ctor_set(x_46, 2, x_10);
-lean_ctor_set(x_46, 3, x_43);
-lean_ctor_set(x_46, 4, x_44);
-lean_ctor_set(x_46, 5, x_45);
-lean_ctor_set(x_17, 1, x_46);
-return x_17;
+lean_dec(x_39);
+x_47 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_47, 0, x_43);
+lean_ctor_set(x_47, 1, x_9);
+lean_ctor_set(x_47, 2, x_10);
+lean_ctor_set(x_47, 3, x_44);
+lean_ctor_set(x_47, 4, x_45);
+lean_ctor_set(x_47, 5, x_46);
+lean_ctor_set(x_18, 1, x_47);
+return x_18;
 }
 }
 else
 {
-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_47 = lean_ctor_get(x_17, 1);
-x_48 = lean_ctor_get(x_17, 0);
-lean_inc(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_48 = lean_ctor_get(x_18, 1);
+x_49 = lean_ctor_get(x_18, 0);
 lean_inc(x_48);
-lean_dec(x_17);
-x_49 = lean_ctor_get(x_47, 0);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_47, 3);
+lean_dec(x_18);
+x_50 = lean_ctor_get(x_48, 0);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_47, 4);
+x_51 = lean_ctor_get(x_48, 3);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_47, 5);
+x_52 = lean_ctor_get(x_48, 4);
 lean_inc(x_52);
-if (lean_is_exclusive(x_47)) {
- lean_ctor_release(x_47, 0);
- lean_ctor_release(x_47, 1);
- lean_ctor_release(x_47, 2);
- lean_ctor_release(x_47, 3);
- lean_ctor_release(x_47, 4);
- lean_ctor_release(x_47, 5);
- x_53 = x_47;
+x_53 = lean_ctor_get(x_48, 5);
+lean_inc(x_53);
+if (lean_is_exclusive(x_48)) {
+ lean_ctor_release(x_48, 0);
+ lean_ctor_release(x_48, 1);
+ lean_ctor_release(x_48, 2);
+ lean_ctor_release(x_48, 3);
+ lean_ctor_release(x_48, 4);
+ lean_ctor_release(x_48, 5);
+ x_54 = x_48;
 } else {
- lean_dec_ref(x_47);
- x_53 = lean_box(0);
+ lean_dec_ref(x_48);
+ x_54 = lean_box(0);
 }
-if (lean_is_scalar(x_53)) {
- x_54 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_54)) {
+ x_55 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_54 = x_53;
+ x_55 = x_54;
 }
-lean_ctor_set(x_54, 0, x_49);
-lean_ctor_set(x_54, 1, x_9);
-lean_ctor_set(x_54, 2, x_10);
-lean_ctor_set(x_54, 3, x_50);
-lean_ctor_set(x_54, 4, x_51);
-lean_ctor_set(x_54, 5, x_52);
-x_55 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_55, 0, x_48);
-lean_ctor_set(x_55, 1, x_54);
-return x_55;
+lean_ctor_set(x_55, 0, x_50);
+lean_ctor_set(x_55, 1, x_9);
+lean_ctor_set(x_55, 2, x_10);
+lean_ctor_set(x_55, 3, x_51);
+lean_ctor_set(x_55, 4, x_52);
+lean_ctor_set(x_55, 5, x_53);
+x_56 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_56, 0, x_49);
+lean_ctor_set(x_56, 1, x_55);
+return x_56;
 }
 }
 }
 else
 {
-uint8_t x_56; 
+uint8_t x_57; 
 lean_dec(x_2);
-x_56 = !lean_is_exclusive(x_12);
-if (x_56 == 0)
+x_57 = !lean_is_exclusive(x_12);
+if (x_57 == 0)
 {
-lean_object* x_57; uint8_t x_58; 
-x_57 = lean_ctor_get(x_12, 1);
-x_58 = !lean_is_exclusive(x_57);
-if (x_58 == 0)
+lean_object* x_58; uint8_t x_59; 
+x_58 = lean_ctor_get(x_12, 1);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
 {
-lean_object* x_59; lean_object* x_60; 
-x_59 = lean_ctor_get(x_57, 2);
-lean_dec(x_59);
-x_60 = lean_ctor_get(x_57, 1);
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_ctor_get(x_58, 2);
 lean_dec(x_60);
-lean_ctor_set(x_57, 2, x_10);
-lean_ctor_set(x_57, 1, x_9);
+x_61 = lean_ctor_get(x_58, 1);
+lean_dec(x_61);
+lean_ctor_set(x_58, 2, x_10);
+lean_ctor_set(x_58, 1, x_9);
 return x_12;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_61 = lean_ctor_get(x_57, 0);
-x_62 = lean_ctor_get(x_57, 3);
-x_63 = lean_ctor_get(x_57, 4);
-x_64 = lean_ctor_get(x_57, 5);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_62 = lean_ctor_get(x_58, 0);
+x_63 = lean_ctor_get(x_58, 3);
+x_64 = lean_ctor_get(x_58, 4);
+x_65 = lean_ctor_get(x_58, 5);
+lean_inc(x_65);
 lean_inc(x_64);
 lean_inc(x_63);
 lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_57);
-x_65 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_65, 0, x_61);
-lean_ctor_set(x_65, 1, x_9);
-lean_ctor_set(x_65, 2, x_10);
-lean_ctor_set(x_65, 3, x_62);
-lean_ctor_set(x_65, 4, x_63);
-lean_ctor_set(x_65, 5, x_64);
-lean_ctor_set(x_12, 1, x_65);
+lean_dec(x_58);
+x_66 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_66, 0, x_62);
+lean_ctor_set(x_66, 1, x_9);
+lean_ctor_set(x_66, 2, x_10);
+lean_ctor_set(x_66, 3, x_63);
+lean_ctor_set(x_66, 4, x_64);
+lean_ctor_set(x_66, 5, x_65);
+lean_ctor_set(x_12, 1, x_66);
 return x_12;
 }
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_66 = lean_ctor_get(x_12, 1);
-x_67 = lean_ctor_get(x_12, 0);
-lean_inc(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; 
+x_67 = lean_ctor_get(x_12, 1);
+x_68 = lean_ctor_get(x_12, 0);
 lean_inc(x_67);
-lean_dec(x_12);
-x_68 = lean_ctor_get(x_66, 0);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_66, 3);
+lean_dec(x_12);
+x_69 = lean_ctor_get(x_67, 0);
 lean_inc(x_69);
-x_70 = lean_ctor_get(x_66, 4);
+x_70 = lean_ctor_get(x_67, 3);
 lean_inc(x_70);
-x_71 = lean_ctor_get(x_66, 5);
+x_71 = lean_ctor_get(x_67, 4);
 lean_inc(x_71);
-if (lean_is_exclusive(x_66)) {
- lean_ctor_release(x_66, 0);
- lean_ctor_release(x_66, 1);
- lean_ctor_release(x_66, 2);
- lean_ctor_release(x_66, 3);
- lean_ctor_release(x_66, 4);
- lean_ctor_release(x_66, 5);
- x_72 = x_66;
+x_72 = lean_ctor_get(x_67, 5);
+lean_inc(x_72);
+if (lean_is_exclusive(x_67)) {
+ lean_ctor_release(x_67, 0);
+ lean_ctor_release(x_67, 1);
+ lean_ctor_release(x_67, 2);
+ lean_ctor_release(x_67, 3);
+ lean_ctor_release(x_67, 4);
+ lean_ctor_release(x_67, 5);
+ x_73 = x_67;
 } else {
- lean_dec_ref(x_66);
- x_72 = lean_box(0);
+ lean_dec_ref(x_67);
+ x_73 = lean_box(0);
 }
-if (lean_is_scalar(x_72)) {
- x_73 = lean_alloc_ctor(0, 6, 0);
+if (lean_is_scalar(x_73)) {
+ x_74 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_73 = x_72;
+ x_74 = x_73;
 }
-lean_ctor_set(x_73, 0, x_68);
-lean_ctor_set(x_73, 1, x_9);
-lean_ctor_set(x_73, 2, x_10);
-lean_ctor_set(x_73, 3, x_69);
-lean_ctor_set(x_73, 4, x_70);
-lean_ctor_set(x_73, 5, x_71);
-x_74 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_74, 0, x_67);
-lean_ctor_set(x_74, 1, x_73);
-return x_74;
+lean_ctor_set(x_74, 0, x_69);
+lean_ctor_set(x_74, 1, x_9);
+lean_ctor_set(x_74, 2, x_10);
+lean_ctor_set(x_74, 3, x_70);
+lean_ctor_set(x_74, 4, x_71);
+lean_ctor_set(x_74, 5, x_72);
+x_75 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_75, 0, x_68);
+lean_ctor_set(x_75, 1, x_74);
+return x_75;
 }
 }
 }
 else
 {
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_75 = lean_ctor_get(x_6, 0);
-x_76 = lean_ctor_get(x_6, 1);
-x_77 = lean_ctor_get(x_6, 2);
-x_78 = lean_ctor_get(x_6, 3);
-x_79 = lean_ctor_get(x_6, 4);
-x_80 = lean_ctor_get(x_6, 5);
+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; 
+x_76 = lean_ctor_get(x_6, 0);
+x_77 = lean_ctor_get(x_6, 1);
+x_78 = lean_ctor_get(x_6, 2);
+x_79 = lean_ctor_get(x_6, 3);
+x_80 = lean_ctor_get(x_6, 4);
+x_81 = lean_ctor_get(x_6, 5);
+lean_inc(x_81);
 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_dec(x_6);
-lean_inc(x_76);
-x_81 = l_Lean_MetavarContext_incDepth(x_76);
 lean_inc(x_77);
-x_82 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_82, 0, x_75);
-lean_ctor_set(x_82, 1, x_81);
-lean_ctor_set(x_82, 2, x_77);
-lean_ctor_set(x_82, 3, x_78);
-lean_ctor_set(x_82, 4, x_79);
-lean_ctor_set(x_82, 5, x_80);
+x_82 = l_Lean_MetavarContext_incDepth(x_77);
+lean_inc(x_78);
+x_83 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_83, 0, x_76);
+lean_ctor_set(x_83, 1, x_82);
+lean_ctor_set(x_83, 2, x_78);
+lean_ctor_set(x_83, 3, x_79);
+lean_ctor_set(x_83, 4, x_80);
+lean_ctor_set(x_83, 5, x_81);
 lean_inc(x_2);
-x_83 = l_Lean_Meta_forallMetaTelescopeReducing(x_5, x_7, x_2, x_82);
+x_84 = l_Lean_Meta_forallMetaTelescopeReducing(x_5, x_7, x_2, x_83);
 lean_dec(x_5);
-if (lean_obj_tag(x_83) == 0)
+if (lean_obj_tag(x_84) == 0)
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_84 = lean_ctor_get(x_83, 0);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_84, 1);
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; lean_object* x_90; 
+x_85 = lean_ctor_get(x_84, 0);
 lean_inc(x_85);
-lean_dec(x_84);
-x_86 = lean_ctor_get(x_83, 1);
+x_86 = lean_ctor_get(x_85, 1);
 lean_inc(x_86);
-lean_dec(x_83);
-x_87 = lean_ctor_get(x_85, 1);
-lean_inc(x_87);
 lean_dec(x_85);
-x_88 = l_Lean_Meta_DiscrTree_mkPath(x_87, x_2, x_86);
-if (lean_obj_tag(x_88) == 0)
+x_87 = lean_ctor_get(x_84, 1);
+lean_inc(x_87);
+lean_dec(x_84);
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+lean_dec(x_86);
+x_89 = 0;
+x_90 = l_Lean_Meta_DiscrTree_mkPath(x_88, x_89, x_2, x_87);
+if (lean_obj_tag(x_90) == 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; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_88, 0);
-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_ctor_get(x_89, 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; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 0);
 lean_inc(x_92);
-x_93 = lean_ctor_get(x_89, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_89, 4);
+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_ctor_get(x_91, 0);
 lean_inc(x_94);
-x_95 = lean_ctor_get(x_89, 5);
+x_95 = lean_ctor_get(x_91, 3);
 lean_inc(x_95);
-if (lean_is_exclusive(x_89)) {
- lean_ctor_release(x_89, 0);
- lean_ctor_release(x_89, 1);
- lean_ctor_release(x_89, 2);
- lean_ctor_release(x_89, 3);
- lean_ctor_release(x_89, 4);
- lean_ctor_release(x_89, 5);
- x_96 = x_89;
-} else {
- lean_dec_ref(x_89);
- x_96 = lean_box(0);
-}
-if (lean_is_scalar(x_96)) {
- x_97 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_97 = x_96;
-}
-lean_ctor_set(x_97, 0, x_92);
-lean_ctor_set(x_97, 1, x_76);
-lean_ctor_set(x_97, 2, x_77);
-lean_ctor_set(x_97, 3, x_93);
-lean_ctor_set(x_97, 4, x_94);
-lean_ctor_set(x_97, 5, x_95);
-if (lean_is_scalar(x_91)) {
- x_98 = lean_alloc_ctor(0, 2, 0);
-} else {
+x_96 = lean_ctor_get(x_91, 4);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_91, 5);
+lean_inc(x_97);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ lean_ctor_release(x_91, 2);
+ lean_ctor_release(x_91, 3);
+ lean_ctor_release(x_91, 4);
+ lean_ctor_release(x_91, 5);
  x_98 = x_91;
+} else {
+ lean_dec_ref(x_91);
+ x_98 = lean_box(0);
 }
-lean_ctor_set(x_98, 0, x_90);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
+if (lean_is_scalar(x_98)) {
+ x_99 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_99 = x_98;
+}
+lean_ctor_set(x_99, 0, x_94);
+lean_ctor_set(x_99, 1, x_77);
+lean_ctor_set(x_99, 2, x_78);
+lean_ctor_set(x_99, 3, x_95);
+lean_ctor_set(x_99, 4, x_96);
+lean_ctor_set(x_99, 5, x_97);
+if (lean_is_scalar(x_93)) {
+ x_100 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_100 = x_93;
+}
+lean_ctor_set(x_100, 0, x_92);
+lean_ctor_set(x_100, 1, x_99);
+return x_100;
 }
 else
 {
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_99 = lean_ctor_get(x_88, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_88, 0);
-lean_inc(x_100);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_101 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_101 = lean_box(0);
-}
-x_102 = lean_ctor_get(x_99, 0);
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
+x_101 = lean_ctor_get(x_90, 1);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_90, 0);
 lean_inc(x_102);
-x_103 = lean_ctor_get(x_99, 3);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_99, 4);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_103 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_103 = lean_box(0);
+}
+x_104 = lean_ctor_get(x_101, 0);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_99, 5);
+x_105 = lean_ctor_get(x_101, 3);
 lean_inc(x_105);
-if (lean_is_exclusive(x_99)) {
- lean_ctor_release(x_99, 0);
- lean_ctor_release(x_99, 1);
- lean_ctor_release(x_99, 2);
- lean_ctor_release(x_99, 3);
- lean_ctor_release(x_99, 4);
- lean_ctor_release(x_99, 5);
- x_106 = x_99;
-} else {
- lean_dec_ref(x_99);
- x_106 = lean_box(0);
-}
-if (lean_is_scalar(x_106)) {
- x_107 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_107 = x_106;
-}
-lean_ctor_set(x_107, 0, x_102);
-lean_ctor_set(x_107, 1, x_76);
-lean_ctor_set(x_107, 2, x_77);
-lean_ctor_set(x_107, 3, x_103);
-lean_ctor_set(x_107, 4, x_104);
-lean_ctor_set(x_107, 5, x_105);
-if (lean_is_scalar(x_101)) {
- x_108 = lean_alloc_ctor(1, 2, 0);
-} else {
+x_106 = lean_ctor_get(x_101, 4);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_101, 5);
+lean_inc(x_107);
+if (lean_is_exclusive(x_101)) {
+ lean_ctor_release(x_101, 0);
+ lean_ctor_release(x_101, 1);
+ lean_ctor_release(x_101, 2);
+ lean_ctor_release(x_101, 3);
+ lean_ctor_release(x_101, 4);
+ lean_ctor_release(x_101, 5);
  x_108 = x_101;
+} else {
+ lean_dec_ref(x_101);
+ x_108 = lean_box(0);
 }
-lean_ctor_set(x_108, 0, x_100);
-lean_ctor_set(x_108, 1, x_107);
-return x_108;
+if (lean_is_scalar(x_108)) {
+ x_109 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_109 = x_108;
+}
+lean_ctor_set(x_109, 0, x_104);
+lean_ctor_set(x_109, 1, x_77);
+lean_ctor_set(x_109, 2, x_78);
+lean_ctor_set(x_109, 3, x_105);
+lean_ctor_set(x_109, 4, x_106);
+lean_ctor_set(x_109, 5, x_107);
+if (lean_is_scalar(x_103)) {
+ x_110 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_110 = x_103;
+}
+lean_ctor_set(x_110, 0, x_102);
+lean_ctor_set(x_110, 1, x_109);
+return x_110;
 }
 }
 else
 {
-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_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_dec(x_2);
-x_109 = lean_ctor_get(x_83, 1);
-lean_inc(x_109);
-x_110 = lean_ctor_get(x_83, 0);
-lean_inc(x_110);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_111 = x_83;
-} else {
- lean_dec_ref(x_83);
- x_111 = lean_box(0);
-}
-x_112 = lean_ctor_get(x_109, 0);
+x_111 = lean_ctor_get(x_84, 1);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_84, 0);
 lean_inc(x_112);
-x_113 = lean_ctor_get(x_109, 3);
-lean_inc(x_113);
-x_114 = lean_ctor_get(x_109, 4);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_113 = x_84;
+} else {
+ lean_dec_ref(x_84);
+ x_113 = lean_box(0);
+}
+x_114 = lean_ctor_get(x_111, 0);
 lean_inc(x_114);
-x_115 = lean_ctor_get(x_109, 5);
+x_115 = lean_ctor_get(x_111, 3);
 lean_inc(x_115);
-if (lean_is_exclusive(x_109)) {
- lean_ctor_release(x_109, 0);
- lean_ctor_release(x_109, 1);
- lean_ctor_release(x_109, 2);
- lean_ctor_release(x_109, 3);
- lean_ctor_release(x_109, 4);
- lean_ctor_release(x_109, 5);
- x_116 = x_109;
-} else {
- lean_dec_ref(x_109);
- x_116 = lean_box(0);
-}
-if (lean_is_scalar(x_116)) {
- x_117 = lean_alloc_ctor(0, 6, 0);
-} else {
- x_117 = x_116;
-}
-lean_ctor_set(x_117, 0, x_112);
-lean_ctor_set(x_117, 1, x_76);
-lean_ctor_set(x_117, 2, x_77);
-lean_ctor_set(x_117, 3, x_113);
-lean_ctor_set(x_117, 4, x_114);
-lean_ctor_set(x_117, 5, x_115);
-if (lean_is_scalar(x_111)) {
- x_118 = lean_alloc_ctor(1, 2, 0);
-} else {
+x_116 = lean_ctor_get(x_111, 4);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_111, 5);
+lean_inc(x_117);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ lean_ctor_release(x_111, 2);
+ lean_ctor_release(x_111, 3);
+ lean_ctor_release(x_111, 4);
+ lean_ctor_release(x_111, 5);
  x_118 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_118 = lean_box(0);
 }
-lean_ctor_set(x_118, 0, x_110);
-lean_ctor_set(x_118, 1, x_117);
-return x_118;
+if (lean_is_scalar(x_118)) {
+ x_119 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_119 = x_118;
+}
+lean_ctor_set(x_119, 0, x_114);
+lean_ctor_set(x_119, 1, x_77);
+lean_ctor_set(x_119, 2, x_78);
+lean_ctor_set(x_119, 3, x_115);
+lean_ctor_set(x_119, 4, x_116);
+lean_ctor_set(x_119, 5, x_117);
+if (lean_is_scalar(x_113)) {
+ x_120 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_120 = x_113;
+}
+lean_ctor_set(x_120, 0, x_112);
+lean_ctor_set(x_120, 1, x_119);
+return x_120;
 }
 }
 }
 else
 {
-uint8_t x_119; 
+uint8_t x_121; 
 lean_dec(x_2);
-x_119 = !lean_is_exclusive(x_4);
-if (x_119 == 0)
+x_121 = !lean_is_exclusive(x_4);
+if (x_121 == 0)
 {
 return x_4;
 }
 else
 {
-lean_object* x_120; lean_object* x_121; lean_object* x_122; 
-x_120 = lean_ctor_get(x_4, 0);
-x_121 = lean_ctor_get(x_4, 1);
-lean_inc(x_121);
-lean_inc(x_120);
+lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_122 = lean_ctor_get(x_4, 0);
+x_123 = lean_ctor_get(x_4, 1);
+lean_inc(x_123);
+lean_inc(x_122);
 lean_dec(x_4);
-x_122 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_122, 0, x_120);
-lean_ctor_set(x_122, 1, x_121);
-return x_122;
+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;
 }
 }
 }
@@ -3792,6 +3804,8 @@ l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7__
 lean_mark_persistent(l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7___closed__1);
 l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7___closed__2 = _init_l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7___closed__2();
 lean_mark_persistent(l_Lean_registerEnvExtensionUnsafe___at_Lean_Meta_mkInstanceExtension___spec__7___closed__2);
+l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1 = _init_l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Meta_mkInstanceExtension___lambda__1___closed__1);
 l_Lean_Meta_mkInstanceExtension___closed__1 = _init_l_Lean_Meta_mkInstanceExtension___closed__1();
 lean_mark_persistent(l_Lean_Meta_mkInstanceExtension___closed__1);
 l_Lean_Meta_mkInstanceExtension___closed__2 = _init_l_Lean_Meta_mkInstanceExtension___closed__2();