diff --git a/stage0/src/Lean/Elab/Quotation.lean b/stage0/src/Lean/Elab/Quotation.lean
index 04c6190e9a..3673a1159a 100644
--- a/stage0/src/Lean/Elab/Quotation.lean
+++ b/stage0/src/Lean/Elab/Quotation.lean
@@ -340,7 +340,7 @@ private partial def getHeadInfo (alt : Alt) : TermElabM HeadInfo :=
     if let some (k, _) := quoted.antiquotKind? then
       if let some name := getAntiquotKindSpec? quoted then
         tryAddSyntaxNodeKindInfo name k
-    if quoted.isAtom then
+    if quoted.isAtom || quoted.isOfKind `patternIgnore then
       -- We assume that atoms are uniquely determined by the node kind and never have to be checked
       unconditionally pure
     else if quoted.isTokenAntiquot then
diff --git a/stage0/src/Lean/Elab/Syntax.lean b/stage0/src/Lean/Elab/Syntax.lean
index d2b0500033..641f739e4a 100644
--- a/stage0/src/Lean/Elab/Syntax.lean
+++ b/stage0/src/Lean/Elab/Syntax.lean
@@ -162,16 +162,28 @@ where
     let aliasName := id.getId.eraseMacroScopes
     let info ← Parser.getParserAliasInfo aliasName
     addAliasInfo id info
-    let args ← args.mapM (withNestedParser ∘ process)
-    let (args, stackSz) := if let some stackSz := info.stackSz? then
-      if !info.autoGroupArgs then
-        (args.map (·.1), stackSz)
-      else
-        (args.map ensureUnaryOutput, stackSz)
+    let args' ← args.mapM (withNestedParser ∘ process)
+    -- wrap lone string literals in `<|>` in dedicated node (#1275)
+    let args' ← if aliasName == `orelse then  -- TODO: generalize if necessary
+      args.zip args' |>.mapM fun (arg, arg') => do
+        let mut #[arg] := arg.getArgs | return arg'
+        let sym ← match arg with
+          | `(stx| &$sym) => pure sym
+          | `(stx| $sym:str) => pure sym
+          | _ => return arg'
+        let sym := sym.getString
+        return (← `(ParserDescr.nodeWithAntiquot $(quote sym) $(quote (`token ++ sym)) $(arg'.1)), 1)
     else
-      let (args, stackSzs) := args.unzip
-      (args, stackSzs.foldl (· + ·) 0)
-    let stx ← match args with
+      pure args'
+    let (args', stackSz) := if let some stackSz := info.stackSz? then
+      if !info.autoGroupArgs then
+        (args'.map (·.1), stackSz)
+      else
+        (args'.map ensureUnaryOutput, stackSz)
+    else
+      let (args', stackSzs) := args'.unzip
+      (args', stackSzs.foldl (· + ·) 0)
+    let stx ← match args' with
       | #[]       => Parser.ensureConstantParserAlias aliasName; ``(ParserDescr.const $(quote aliasName))
       | #[p1]     => Parser.ensureUnaryParserAlias aliasName; ``(ParserDescr.unary $(quote aliasName) $p1)
       | #[p1, p2] => Parser.ensureBinaryParserAlias aliasName; ``(ParserDescr.binary $(quote aliasName) $p1 $p2)
diff --git a/stage0/src/Lean/Meta/Tactic/Congr.lean b/stage0/src/Lean/Meta/Tactic/Congr.lean
index 81545f2fec..c499d7a896 100644
--- a/stage0/src/Lean/Meta/Tactic/Congr.lean
+++ b/stage0/src/Lean/Meta/Tactic/Congr.lean
@@ -40,7 +40,7 @@ private def applyCongrThm? (mvarId : MVarId) (congrThm : CongrTheorem) : MetaM (
 Try to apply a `simp` congruence theorem.
 -/
 def MVarId.congr? (mvarId : MVarId) : MetaM (Option (List MVarId)) :=
-  mvarId.withContext do
+  mvarId.withContext do commitWhenSomeNoEx? do
     mvarId.checkNotAssigned `congr
     let target ← mvarId.getType'
     let some (_, lhs, _) := target.eq? | return none
@@ -53,15 +53,17 @@ def MVarId.congr? (mvarId : MVarId) : MetaM (Option (List MVarId)) :=
 Try to apply a `hcongr` congruence theorem, and then tries to close resulting goals
 using `Eq.refl`, `HEq.refl`, and assumption.
 -/
-def MVarId.hcongr? (mvarId : MVarId) : MetaM (Option (List MVarId)) :=
-  mvarId.withContext do
+def MVarId.hcongr? (mvarId : MVarId) : MetaM (Option (List MVarId)) := do
+  commitWhenSomeNoEx? do
     mvarId.checkNotAssigned `congr
-    let target ← mvarId.getType'
-    let some (_, lhs, _, _) := target.heq? | return none
-    let lhs := lhs.cleanupAnnotations
-    unless lhs.isApp do return none
-    let congrThm ← mkHCongr lhs.getAppFn
-    applyCongrThm? mvarId congrThm
+    let mvarId ← mvarId.eqOfHEq
+    mvarId.withContext do
+      let target ← mvarId.getType'
+      let some (_, lhs, _, _) := target.heq? | return none
+      let lhs := lhs.cleanupAnnotations
+      unless lhs.isApp do return none
+      let congrThm ← mkHCongr lhs.getAppFn
+      applyCongrThm? mvarId congrThm
 
 /--
 Try to apply `implies_congr`.
diff --git a/stage0/src/Lean/Meta/Tactic/Refl.lean b/stage0/src/Lean/Meta/Tactic/Refl.lean
index 6ac24c8dfd..f40d595d4d 100644
--- a/stage0/src/Lean/Meta/Tactic/Refl.lean
+++ b/stage0/src/Lean/Meta/Tactic/Refl.lean
@@ -52,6 +52,14 @@ def _root_.Lean.MVarId.heqOfEq (mvarId : MVarId) : MetaM MVarId :=
     let some [mvarId] ← observing? do mvarId.apply (mkConst ``heq_of_eq [← mkFreshLevelMVar]) | return mvarId
     return mvarId
 
+/--
+Try to apply `eq_of_heq`. If successful, then return new goal, otherwise return `mvarId`.
+-/
+def _root_.Lean.MVarId.eqOfHEq (mvarId : MVarId) : MetaM MVarId :=
+  mvarId.withContext do
+    let some [mvarId] ← observing? do mvarId.apply (mkConst ``eq_of_heq [← mkFreshLevelMVar]) | return mvarId
+    return mvarId
+
 /--
 Close given goal using `HEq.refl`.
 -/
diff --git a/stage0/src/Lean/Parser.lean b/stage0/src/Lean/Parser.lean
index c831c224c1..8b3683a998 100644
--- a/stage0/src/Lean/Parser.lean
+++ b/stage0/src/Lean/Parser.lean
@@ -76,7 +76,8 @@ unsafe def interpretParserDescr : ParserDescr → CoreM Parenthesizer
   | ParserDescr.unary n d                           => return (← getUnaryAlias parenthesizerAliasesRef n) (← interpretParserDescr d)
   | ParserDescr.binary n d₁ d₂                      => return (← getBinaryAlias parenthesizerAliasesRef n) (← interpretParserDescr d₁) (← interpretParserDescr d₂)
   | ParserDescr.node k prec d                       => return leadingNode.parenthesizer k prec (← interpretParserDescr d)
-  | ParserDescr.nodeWithAntiquot _ k d              => return node.parenthesizer k (← interpretParserDescr d)
+  | ParserDescr.nodeWithAntiquot n k d              => return withAntiquot.parenthesizer (mkAntiquot.parenthesizer' n k (anonymous := true)) <|
+                                                                node.parenthesizer k (← interpretParserDescr d)
   | ParserDescr.sepBy p sep psep trail              => return sepBy.parenthesizer (← interpretParserDescr p) sep (← interpretParserDescr psep) trail
   | ParserDescr.sepBy1 p sep psep trail             => return sepBy1.parenthesizer (← interpretParserDescr p) sep (← interpretParserDescr psep) trail
   | ParserDescr.trailingNode k prec lhsPrec d       => return trailingNode.parenthesizer k prec lhsPrec (← interpretParserDescr d)
@@ -107,7 +108,8 @@ unsafe def interpretParserDescr : ParserDescr → CoreM Formatter
   | ParserDescr.unary n d                           => return (← getUnaryAlias formatterAliasesRef n) (← interpretParserDescr d)
   | ParserDescr.binary n d₁ d₂                      => return (← getBinaryAlias formatterAliasesRef n) (← interpretParserDescr d₁) (← interpretParserDescr d₂)
   | ParserDescr.node k _ d                          => return node.formatter k (← interpretParserDescr d)
-  | ParserDescr.nodeWithAntiquot _ k d              => return node.formatter k (← interpretParserDescr d)
+  | ParserDescr.nodeWithAntiquot n k d              => return withAntiquot.formatter (mkAntiquot.formatter' n k (anonymous := true)) <|
+                                                                node.formatter k (← interpretParserDescr d)
   | ParserDescr.sepBy p sep psep trail              => return sepBy.formatter (← interpretParserDescr p) sep (← interpretParserDescr psep) trail
   | ParserDescr.sepBy1 p sep psep trail             => return sepBy1.formatter (← interpretParserDescr p) sep (← interpretParserDescr psep) trail
   | ParserDescr.trailingNode k prec lhsPrec d       => return trailingNode.formatter k prec lhsPrec (← interpretParserDescr d)
diff --git a/stage0/src/Lean/Parser/Extra.lean b/stage0/src/Lean/Parser/Extra.lean
index f2326a548a..80b62cbd16 100644
--- a/stage0/src/Lean/Parser/Extra.lean
+++ b/stage0/src/Lean/Parser/Extra.lean
@@ -89,6 +89,9 @@ attribute [run_builtin_parser_attribute_hooks] sepByIndent sepBy1Indent
 @[run_builtin_parser_attribute_hooks] abbrev notSymbol (s : String) : Parser :=
   notFollowedBy (symbol s) s
 
+/-- No-op parser combinator that annotates subtrees to be ignored in syntax patterns. -/
+@[inline, run_builtin_parser_attribute_hooks] def patternIgnore : Parser → Parser := node `patternIgnore
+
 /-- No-op parser that advises the pretty printer to emit a non-breaking space. -/
 @[inline] def ppHardSpace : Parser := skip
 /-- No-op parser that advises the pretty printer to emit a space/soft line break. -/
@@ -182,6 +185,8 @@ macro_rules
          PrettyPrinter.Parenthesizer.registerAlias $aliasName $(mkIdentFrom declName (declName.getId ++ `parenthesizer)))
 
 builtin_initialize
+  register_parser_alias patternIgnore { autoGroupArgs := false }
+
   register_parser_alias group { autoGroupArgs := false }
   register_parser_alias ppHardSpace { stackSz? := some 0 }
   register_parser_alias ppSpace { stackSz? := some 0 }
diff --git a/stage0/src/Lean/PrettyPrinter/Formatter.lean b/stage0/src/Lean/PrettyPrinter/Formatter.lean
index 4774077246..87c613c1b0 100644
--- a/stage0/src/Lean/PrettyPrinter/Formatter.lean
+++ b/stage0/src/Lean/PrettyPrinter/Formatter.lean
@@ -173,10 +173,18 @@ def withMaybeTag (pos? : Option String.Pos) (x : FormatterM Unit) : Formatter :=
   else
     x
 
-@[combinator_formatter orelse] def orelse.formatter (p1 p2 : Formatter) : Formatter :=
-  -- HACK: We have no (immediate) information on which side of the orelse could have produced the current node, so try
-  -- them in turn. Uses the syntax traverser non-linearly!
-  p1 <|> p2
+@[combinator_formatter orelse] partial def orelse.formatter (p1 p2 : Formatter) : Formatter := do
+  let stx ← getCur
+  -- `orelse` may produce `choice` nodes for antiquotations
+  if stx.getKind == `choice then
+    visitArgs do
+      -- format only last choice
+      -- TODO: We could use elaborator data here to format the chosen child when available
+      orelse.formatter p1 p2
+  else
+    -- HACK: We have no (immediate) information on which side of the orelse could have produced the current node, so try
+    -- them in turn. Uses the syntax traverser non-linearly!
+    p1 <|> p2
 
 -- `mkAntiquot` is quite complex, so we'd rather have its formatter synthesized below the actual parser definition.
 -- Note that there is a mutual recursion
diff --git a/stage0/src/Lean/PrettyPrinter/Parenthesizer.lean b/stage0/src/Lean/PrettyPrinter/Parenthesizer.lean
index fd7646c5d2..1ff7eae7bd 100644
--- a/stage0/src/Lean/PrettyPrinter/Parenthesizer.lean
+++ b/stage0/src/Lean/PrettyPrinter/Parenthesizer.lean
@@ -247,10 +247,16 @@ def visitToken : Parenthesizer := do
   modify fun st => { st with contPrec := none, contCat := Name.anonymous, visitedToken := true }
   goLeft
 
-@[combinator_parenthesizer orelse] def orelse.parenthesizer (p1 p2 : Parenthesizer) : Parenthesizer := do
-  -- HACK: We have no (immediate) information on which side of the orelse could have produced the current node, so try
-  -- them in turn. Uses the syntax traverser non-linearly!
-  p1 <|> p2
+@[combinator_parenthesizer orelse] partial def orelse.parenthesizer (p1 p2 : Parenthesizer) : Parenthesizer := do
+  let stx ← getCur
+  -- `orelse` may produce `choice` nodes for antiquotations
+  if stx.getKind == `choice then
+    visitArgs $ stx.getArgs.size.forM fun _ => do
+      orelse.parenthesizer p1 p2
+  else
+    -- HACK: We have no (immediate) information on which side of the orelse could have produced the current node, so try
+    -- them in turn. Uses the syntax traverser non-linearly!
+    p1 <|> p2
 
 -- `mkAntiquot` is quite complex, so we'd rather have its parenthesizer synthesized below the actual parser definition.
 -- Note that there is a mutual recursion
@@ -299,13 +305,12 @@ def tokenWithAntiquot.parenthesizer (p : Parenthesizer) : Parenthesizer := do
   else
     p
 
-def parenthesizeCategoryCore (cat : Name) (_prec : Nat) : Parenthesizer :=
+partial def parenthesizeCategoryCore (cat : Name) (_prec : Nat) : Parenthesizer :=
   withReader (fun ctx => { ctx with cat := cat }) do
     let stx ← getCur
     if stx.getKind == `choice then
       visitArgs $ stx.getArgs.size.forM fun _ => do
-        let stx ← getCur
-        parenthesizerForKind stx.getKind
+        parenthesizeCategoryCore cat _prec
     else
       withAntiquot.parenthesizer (mkAntiquot.parenthesizer' cat.toString cat (isPseudoKind := true)) (parenthesizerForKind stx.getKind)
     modify fun st => { st with contCat := cat }
diff --git a/stage0/src/Lean/Util/MonadBacktrack.lean b/stage0/src/Lean/Util/MonadBacktrack.lean
index 77b54c8d0f..e9b1262e0d 100644
--- a/stage0/src/Lean/Util/MonadBacktrack.lean
+++ b/stage0/src/Lean/Util/MonadBacktrack.lean
@@ -13,19 +13,33 @@ class MonadBacktrack (s : outParam Type) (m : Type → Type) where
 
 export MonadBacktrack (saveState restoreState)
 
-@[specialize] def commitWhenSome? [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x? : m (Option α)) : m (Option α) := do
+/--
+Execute `x?`, but backtrack state if result is `none` or an exception was thrown.
+-/
+def commitWhenSome? [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x? : m (Option α)) : m (Option α) := do
   let s ← saveState
   try
     match (← x?) with
-    | some a => pure (some a)
+    | some a => return some a
     | none   =>
       restoreState s
-      pure none
+      return none
   catch ex =>
     restoreState s
     throw ex
 
-@[specialize] def commitWhen [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m Bool) : m Bool := do
+/--
+Execute `x?`, but backtrack state if result is `none` or an exception was thrown.
+If an exception is thrown, `none` is returned.
+That is, this function is similar to `commitWhenSome?`, but swallows the exception and returns `none`.
+-/
+def commitWhenSomeNoEx? [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x? : m (Option α)) : m (Option α) :=
+  try
+    commitWhenSome? x?
+  catch _ =>
+    return none
+
+def commitWhen [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m Bool) : m Bool := do
   let s ← saveState
   try
     match (← x) with
@@ -37,7 +51,7 @@ export MonadBacktrack (saveState restoreState)
     restoreState s
     throw ex
 
-@[specialize] def commitIfNoEx [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m α) : m α := do
+def commitIfNoEx [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m α) : m α := do
   let s ← saveState
   try
     x
@@ -45,14 +59,14 @@ export MonadBacktrack (saveState restoreState)
     restoreState s
     throw ex
 
-@[specialize] def withoutModifyingState [Monad m] [MonadFinally m] [MonadBacktrack s m] (x : m α) : m α := do
+def withoutModifyingState [Monad m] [MonadFinally m] [MonadBacktrack s m] (x : m α) : m α := do
   let s ← saveState
   try
     x
   finally
     restoreState s
 
-@[specialize] def observing? [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m α) : m (Option α) := do
+def observing? [Monad m] [MonadBacktrack s m] [MonadExcept ε m] (x : m α) : m (Option α) := do
   let s ← saveState
   try
     x
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
index 17b8539aaa..050c13ec87 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
@@ -77,7 +77,6 @@ lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_objec
 lean_object* l_Lean_EnvExtensionInterfaceUnsafe_imp___elambda__2___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___lambda__2___closed__3;
 size_t lean_usize_sub(size_t, size_t);
-static lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnType___spec__1___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkEqnTypes_go___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -103,6 +102,7 @@ static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefi
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnType___spec__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldrM___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__1;
+static lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1;
 static lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go___closed__2;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
@@ -175,7 +175,6 @@ static lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn_collectDeps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Eqns_mkUnfoldEq___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__2;
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default___closed__1;
 lean_object* l_Lean_PersistentHashMap_getCollisionNodeSize___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkUnfoldProof_go___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -225,7 +224,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnTyp
 lean_object* l_Lean_Expr_replaceFVar(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_7665_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6410_(lean_object*);
-static lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn_pushDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkEqnTypes_go___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldrM___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -306,6 +304,7 @@ LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at___private_Lean_Ela
 LEAN_EXPORT lean_object* l_Lean_ForEachExpr_visit___at_Lean_Elab_Eqns_simpEqnType_collect___spec__1(lean_object*);
 static lean_object* l_Lean_Elab_Eqns_instInhabitedEqnInfoCore___closed__2;
 static lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go___closed__6;
+lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_mul(size_t, size_t);
 lean_object* l_Lean_Expr_consumeMData(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_foldrM___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -317,7 +316,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_deltaRHS_x3f___lambda__1___boxed(lean_
 lean_object* l_Lean_addDecl(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_shouldUseSimpMatch___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Data_PersistentArray_0__Lean_PersistentArray_foldrMAux___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__30(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -471,6 +469,7 @@ static lean_object* l_Lean_Elab_Eqns_mkUnfoldProof_go___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_removeUnusedEqnHypotheses___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_withContext___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__35(lean_object*);
+static lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2;
 extern lean_object* l_Lean_Expr_instBEqExpr;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__11___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__12(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -534,6 +533,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefi
 lean_object* l_Lean_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__20(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___closed__1;
 static lean_object* l_Lean_Elab_Eqns_mkUnfoldProof___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1058,7 +1058,7 @@ return x_36;
 }
 }
 }
-static lean_object* _init_l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1() {
+static lean_object* _init_l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1() {
 _start:
 {
 uint8_t x_1; uint8_t x_2; lean_object* x_3; 
@@ -1070,302 +1070,229 @@ lean_ctor_set_uint8(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_27; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
+lean_object* x_8; 
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_8 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
-if (lean_is_exclusive(x_8)) {
- lean_ctor_release(x_8, 0);
- lean_ctor_release(x_8, 1);
- x_11 = x_8;
-} else {
- lean_dec_ref(x_8);
- x_11 = lean_box(0);
-}
+lean_dec(x_8);
+x_11 = l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_27 = l_Lean_Meta_mkConstWithFreshMVarLevels(x_2, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_27, 1);
-lean_inc(x_29);
-lean_dec(x_27);
-x_30 = l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_31 = l_Lean_MVarId_apply(x_1, x_28, x_30, x_3, x_4, x_5, x_6, x_29);
-if (lean_obj_tag(x_31) == 0)
-{
-lean_object* x_32; 
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-if (lean_obj_tag(x_32) == 0)
-{
-lean_object* x_33; lean_object* x_34; 
-x_33 = lean_ctor_get(x_31, 1);
-lean_inc(x_33);
-lean_dec(x_31);
-x_34 = lean_box(0);
-x_12 = x_34;
-x_13 = x_33;
-goto block_26;
-}
-else
-{
-lean_object* x_35; 
-x_35 = lean_ctor_get(x_32, 1);
-lean_inc(x_35);
-if (lean_obj_tag(x_35) == 0)
-{
-lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_31, 1);
-lean_inc(x_36);
-lean_dec(x_31);
-x_37 = lean_ctor_get(x_32, 0);
-lean_inc(x_37);
-lean_dec(x_32);
-x_38 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_39 = l_Lean_Meta_intro1Core(x_37, x_38, x_3, x_4, x_5, x_6, x_36);
-if (lean_obj_tag(x_39) == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
-lean_inc(x_41);
-lean_dec(x_39);
-x_42 = lean_ctor_get(x_40, 1);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_43, 0, x_42);
-x_12 = x_43;
-x_13 = x_41;
-goto block_26;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-lean_dec(x_11);
-x_44 = lean_ctor_get(x_39, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_39, 1);
-lean_inc(x_45);
-lean_dec(x_39);
-x_46 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_45);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-lean_ctor_set_tag(x_46, 1);
-lean_ctor_set(x_46, 0, x_44);
-return x_46;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_46, 1);
-lean_inc(x_49);
-lean_dec(x_46);
-x_50 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_50, 0, x_44);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
-}
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; 
-lean_dec(x_35);
-lean_dec(x_32);
-x_51 = lean_ctor_get(x_31, 1);
-lean_inc(x_51);
-lean_dec(x_31);
-x_52 = lean_box(0);
-x_12 = x_52;
-x_13 = x_51;
-goto block_26;
-}
-}
-}
-else
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
-lean_dec(x_11);
-x_53 = lean_ctor_get(x_31, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_31, 1);
-lean_inc(x_54);
-lean_dec(x_31);
-x_55 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_54);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_56 = !lean_is_exclusive(x_55);
-if (x_56 == 0)
-{
-lean_object* x_57; 
-x_57 = lean_ctor_get(x_55, 0);
-lean_dec(x_57);
-lean_ctor_set_tag(x_55, 1);
-lean_ctor_set(x_55, 0, x_53);
-return x_55;
-}
-else
-{
-lean_object* x_58; lean_object* x_59; 
-x_58 = lean_ctor_get(x_55, 1);
-lean_inc(x_58);
-lean_dec(x_55);
-x_59 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_59, 0, x_53);
-lean_ctor_set(x_59, 1, x_58);
-return x_59;
-}
-}
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
-lean_dec(x_11);
-lean_dec(x_1);
-x_60 = lean_ctor_get(x_27, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_27, 1);
-lean_inc(x_61);
-lean_dec(x_27);
-x_62 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_61);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_63 = !lean_is_exclusive(x_62);
-if (x_63 == 0)
-{
-lean_object* x_64; 
-x_64 = lean_ctor_get(x_62, 0);
-lean_dec(x_64);
-lean_ctor_set_tag(x_62, 1);
-lean_ctor_set(x_62, 0, x_60);
-return x_62;
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-x_65 = lean_ctor_get(x_62, 1);
-lean_inc(x_65);
-lean_dec(x_62);
-x_66 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_66, 0, x_60);
-lean_ctor_set(x_66, 1, x_65);
-return x_66;
-}
-}
-block_26:
-{
+x_12 = l_Lean_MVarId_apply(x_2, x_9, x_11, x_3, x_4, x_5, x_6, x_10);
 if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_14; uint8_t x_15; 
-lean_dec(x_11);
-x_14 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_13);
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_9);
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
+x_14 = !lean_is_exclusive(x_12);
+if (x_14 == 0)
 {
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_14, 0);
-lean_dec(x_16);
-x_17 = lean_box(0);
-lean_ctor_set(x_14, 0, x_17);
-return x_14;
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_15);
+x_16 = lean_box(0);
+lean_ctor_set(x_12, 0, x_16);
+return x_12;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_14, 1);
-lean_inc(x_18);
-lean_dec(x_14);
-x_19 = lean_box(0);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_18);
-return x_20;
-}
-}
-else
-{
-uint8_t x_21; 
-lean_dec(x_9);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_21 = !lean_is_exclusive(x_12);
-if (x_21 == 0)
-{
-lean_object* x_22; 
-if (lean_is_scalar(x_11)) {
- x_22 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_22 = x_11;
-}
-lean_ctor_set(x_22, 0, x_12);
-lean_ctor_set(x_22, 1, x_13);
-return x_22;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_12, 0);
-lean_inc(x_23);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_12, 1);
+lean_inc(x_17);
 lean_dec(x_12);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_23);
-if (lean_is_scalar(x_11)) {
- x_25 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_25 = x_11;
+x_18 = lean_box(0);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+return x_19;
 }
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_13);
-return x_25;
+}
+else
+{
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; 
+x_21 = lean_ctor_get(x_12, 1);
+lean_inc(x_21);
+lean_dec(x_12);
+x_22 = lean_ctor_get(x_13, 0);
+lean_inc(x_22);
+lean_dec(x_13);
+x_23 = 0;
+x_24 = l_Lean_Meta_intro1Core(x_22, x_23, x_3, x_4, x_5, x_6, x_21);
+if (lean_obj_tag(x_24) == 0)
+{
+uint8_t x_25; 
+x_25 = !lean_is_exclusive(x_24);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_24, 0);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_24, 0, x_28);
+return x_24;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_29 = lean_ctor_get(x_24, 0);
+x_30 = lean_ctor_get(x_24, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_24);
+x_31 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+lean_dec(x_29);
+x_32 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_32, 0, x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
+{
+uint8_t x_34; 
+x_34 = !lean_is_exclusive(x_24);
+if (x_34 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_24, 0);
+x_36 = lean_ctor_get(x_24, 1);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_24);
+x_37 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
+}
+}
+}
+else
+{
+uint8_t x_38; 
+lean_dec(x_20);
+lean_dec(x_13);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_38 = !lean_is_exclusive(x_12);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; 
+x_39 = lean_ctor_get(x_12, 0);
+lean_dec(x_39);
+x_40 = lean_box(0);
+lean_ctor_set(x_12, 0, x_40);
+return x_12;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_12, 1);
+lean_inc(x_41);
+lean_dec(x_12);
+x_42 = lean_box(0);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_41);
+return x_43;
 }
 }
 }
 }
+else
+{
+uint8_t x_44; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_44 = !lean_is_exclusive(x_12);
+if (x_44 == 0)
+{
+return x_12;
 }
-static lean_object* _init_l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1() {
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_12, 0);
+x_46 = lean_ctor_get(x_12, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_12);
+x_47 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+return x_47;
+}
+}
+}
+else
+{
+uint8_t x_48; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_48 = !lean_is_exclusive(x_8);
+if (x_48 == 0)
+{
+return x_8;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_8, 0);
+x_50 = lean_ctor_get(x_8, 1);
+lean_inc(x_50);
+lean_inc(x_49);
+lean_dec(x_8);
+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;
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1373,24 +1300,27 @@ x_1 = lean_mk_string_from_bytes("funext", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1;
+x_2 = l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_funext_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 lean_dec(x_2);
-x_8 = l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2;
-x_9 = l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
-return x_9;
+x_8 = l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2;
+x_9 = lean_alloc_closure((void*)(l_Lean_Elab_Eqns_funext_x3f___lambda__1), 7, 2);
+lean_closure_set(x_9, 0, x_8);
+lean_closure_set(x_9, 1, x_1);
+x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1(x_9, x_3, x_4, x_5, x_6, x_7);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_funext_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -1508,7 +1438,7 @@ else
 lean_object* x_20; lean_object* x_21; 
 lean_dec(x_10);
 x_20 = lean_box(0);
-x_21 = l_Lean_Elab_Eqns_funext_x3f___lambda__1(x_1, x_20, x_2, x_3, x_4, x_5, x_9);
+x_21 = l_Lean_Elab_Eqns_funext_x3f___lambda__2(x_1, x_20, x_2, x_3, x_4, x_5, x_9);
 return x_21;
 }
 }
@@ -21175,7 +21105,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_1);
-x_11 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_10, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Meta_splitTarget_x3f(x_1, x_10, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_11) == 0)
 {
 lean_object* x_12; 
@@ -21718,7 +21648,7 @@ lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1;
+x_11 = l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -24231,12 +24161,12 @@ l_Lean_Elab_Eqns_expandRHS_x3f___closed__1 = _init_l_Lean_Elab_Eqns_expandRHS_x3
 lean_mark_persistent(l_Lean_Elab_Eqns_expandRHS_x3f___closed__1);
 l_Lean_Elab_Eqns_expandRHS_x3f___closed__2 = _init_l_Lean_Elab_Eqns_expandRHS_x3f___closed__2();
 lean_mark_persistent(l_Lean_Elab_Eqns_expandRHS_x3f___closed__2);
-l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1 = _init_l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1();
-lean_mark_persistent(l_Lean_commitWhenSome_x3f___at_Lean_Elab_Eqns_funext_x3f___spec__1___at_Lean_Elab_Eqns_funext_x3f___spec__2___closed__1);
 l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1 = _init_l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__1);
-l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2 = _init_l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_Elab_Eqns_funext_x3f___lambda__1___closed__2);
+l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1 = _init_l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1();
+lean_mark_persistent(l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__1);
+l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2 = _init_l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2();
+lean_mark_persistent(l_Lean_Elab_Eqns_funext_x3f___lambda__2___closed__2);
 l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__1 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__1();
 lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__1);
 l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__2 = _init_l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f___spec__3___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
index 1bc2fa366e..c016e5dc7a 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
@@ -55,7 +55,6 @@ static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Eqns_0__Lean_
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Eqns_0__Lean_Elab_Structural_mkProof_go___lambda__1___closed__7;
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Structural_mkEqns___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_getUnfoldFor_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MapDeclarationExtension_find_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_getEqnsFor_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -87,6 +86,7 @@ static lean_object* l_Lean_Elab_Structural_instInhabitedEqnInfo___closed__3;
 extern lean_object* l_Lean_instInhabitedExpr;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Eqns_0__Lean_Elab_Structural_mkProof_go___closed__5;
 static lean_object* l___private_Lean_Elab_PreDefinition_Structural_Eqns_0__Lean_Elab_Structural_mkProof_go___lambda__1___closed__12;
+lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_initFn____x40_Lean_Elab_PreDefinition_Structural_Eqns___hyg_1426____closed__2;
 static lean_object* l_Lean_Elab_Structural_instInhabitedEqnInfo___closed__1;
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
@@ -676,7 +676,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_1);
-x_46 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_45, x_4, x_5, x_6, x_7, x_44);
+x_46 = l_Lean_Meta_splitTarget_x3f(x_1, x_45, x_4, x_5, x_6, x_7, x_44);
 if (lean_obj_tag(x_46) == 0)
 {
 lean_object* x_47; 
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
index 180071f62b..68ad5d9f81 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
@@ -89,7 +89,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_getUnfoldFor_x3f___lambda__1(lean_object
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_FindImpl_findUnsafe_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_tryToFoldWellFoundedFix_pre___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_deltaLHSUntilFix___lambda__1___closed__1;
 lean_object* l_Lean_MapDeclarationExtension_find_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_hasWellFoundedFix___lambda__1(lean_object*);
@@ -156,6 +155,7 @@ uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_decodePackedArg_x3f_decodePSum_x3f___closed__3;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_decodePackedArg_x3f_decodePSigma___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Eqns_0__Lean_Elab_WF_mkProof(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_mkEqns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addDecl(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5132,7 +5132,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_1);
-x_46 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_45, x_7, x_8, x_9, x_10, x_44);
+x_46 = l_Lean_Meta_splitTarget_x3f(x_1, x_45, x_7, x_8, x_9, x_10, x_44);
 if (lean_obj_tag(x_46) == 0)
 {
 lean_object* x_47; 
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
index 07a01cc3d3..88b7d95d1a 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
@@ -21,6 +21,7 @@ size_t lean_usize_add(size_t, size_t);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_FVarId_getUserName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_getNumCandidateArgs___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg___boxed(lean_object**);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_WF_elabWFRel_go___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -63,6 +64,7 @@ static lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Elab_WF_getForbiddenBy
 lean_object* l_Lean_Name_mkStr2(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_generateElements___spec__2___closed__2;
 lean_object* l_Lean_Elab_Term_getMVarDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
@@ -102,7 +104,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_generateCombinations_x3f___boxed(lean_ob
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_getNumCandidateArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel_go___rarg___lambda__1___closed__4;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_generateElements___spec__2___closed__16;
@@ -128,7 +129,6 @@ lean_object* l_Nat_repr(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_WF_elabWFRel_go___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel_go___rarg___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4(lean_object*);
 lean_object* l_Lean_Syntax_getId(lean_object*);
 lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Term_instAddErrorMessageContextTermElabM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__1;
@@ -144,7 +144,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_ge
 extern lean_object* l_Lean_instInhabitedExpr;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___lambda__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg___boxed(lean_object**);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel_generateElements___closed__6;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -206,7 +206,6 @@ lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_WF_elabWFRel_go___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_generateElements___spec__2___closed__11;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5(lean_object*);
 lean_object* l_Lean_isTracingEnabledFor___at_Lean_Elab_Term_traceAtCmdPos___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__3;
@@ -223,7 +222,6 @@ lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_obje
 lean_object* l_Lean_Syntax_node1(lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_logUnassignedUsingErrorInfos(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_generateElements___spec__2___boxed(lean_object**);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_generateElements___spec__2___closed__8;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___lambda__1___closed__3;
@@ -9449,101 +9447,7 @@ x_2 = lean_alloc_closure((void*)(l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRe
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_14 = l_Lean_Elab_Term_saveState___rarg(x_8, x_9, x_10, x_11, x_12, x_13);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_17 = l_Lean_Elab_WF_elabWFRel_go___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
-if (lean_obj_tag(x_17) == 0)
-{
-uint8_t x_18; 
-lean_dec(x_15);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_17, 0);
-x_20 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_17, 0, x_20);
-return x_17;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_21 = lean_ctor_get(x_17, 0);
-x_22 = lean_ctor_get(x_17, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_17);
-x_23 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_23, 0, x_21);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_22);
-return x_24;
-}
-}
-else
-{
-lean_object* x_25; uint8_t x_26; lean_object* x_27; uint8_t x_28; 
-x_25 = lean_ctor_get(x_17, 1);
-lean_inc(x_25);
-lean_dec(x_17);
-x_26 = 0;
-x_27 = l_Lean_Elab_Term_SavedState_restore(x_15, x_26, x_7, x_8, x_9, x_10, x_11, x_12, x_25);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = lean_box(0);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_27, 1);
-lean_inc(x_31);
-lean_dec(x_27);
-x_32 = lean_box(0);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-return x_33;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg), 13, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, size_t x_9, size_t x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, size_t x_9, size_t x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
 _start:
 {
 uint8_t x_19; 
@@ -9571,7 +9475,7 @@ return x_20;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
 lean_dec(x_11);
 x_21 = lean_array_uget(x_8, x_10);
 lean_inc(x_16);
@@ -9582,33 +9486,40 @@ lean_inc(x_23);
 x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
 lean_dec(x_22);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_25 = lean_alloc_closure((void*)(l_Lean_Elab_WF_elabWFRel_go___rarg), 13, 6);
+lean_closure_set(x_25, 0, x_1);
+lean_closure_set(x_25, 1, x_2);
+lean_closure_set(x_25, 2, x_3);
+lean_closure_set(x_25, 3, x_4);
+lean_closure_set(x_25, 4, x_5);
+lean_closure_set(x_25, 5, x_23);
 lean_inc(x_17);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_25 = l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(x_1, x_2, x_3, x_4, x_5, x_23, x_12, x_13, x_14, x_15, x_16, x_17, x_24);
-x_26 = lean_ctor_get(x_25, 0);
-lean_inc(x_26);
-if (lean_obj_tag(x_26) == 0)
-{
-lean_object* x_27; size_t x_28; size_t x_29; 
-x_27 = lean_ctor_get(x_25, 1);
+x_26 = l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess___spec__3___rarg(x_25, x_12, x_13, x_14, x_15, x_16, x_17, x_24);
+x_27 = lean_ctor_get(x_26, 0);
 lean_inc(x_27);
-lean_dec(x_25);
-x_28 = 1;
-x_29 = lean_usize_add(x_10, x_28);
+if (lean_obj_tag(x_27) == 0)
+{
+lean_object* x_28; size_t x_29; size_t x_30; 
+x_28 = lean_ctor_get(x_26, 1);
+lean_inc(x_28);
+lean_dec(x_26);
+x_29 = 1;
+x_30 = lean_usize_add(x_10, x_29);
 lean_inc(x_7);
 {
-size_t _tmp_9 = x_29;
+size_t _tmp_9 = x_30;
 lean_object* _tmp_10 = x_7;
-lean_object* _tmp_17 = x_27;
+lean_object* _tmp_17 = x_28;
 x_10 = _tmp_9;
 x_11 = _tmp_10;
 x_18 = _tmp_17;
@@ -9617,7 +9528,7 @@ goto _start;
 }
 else
 {
-uint8_t x_31; 
+uint8_t x_32; 
 lean_dec(x_17);
 lean_dec(x_16);
 lean_dec(x_15);
@@ -9631,78 +9542,78 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_25);
-if (x_31 == 0)
+x_32 = !lean_is_exclusive(x_26);
+if (x_32 == 0)
 {
-lean_object* x_32; uint8_t x_33; 
-x_32 = lean_ctor_get(x_25, 0);
-lean_dec(x_32);
-x_33 = !lean_is_exclusive(x_26);
-if (x_33 == 0)
+lean_object* x_33; uint8_t x_34; 
+x_33 = lean_ctor_get(x_26, 0);
+lean_dec(x_33);
+x_34 = !lean_is_exclusive(x_27);
+if (x_34 == 0)
 {
-lean_object* x_34; lean_object* x_35; 
-x_34 = lean_box(0);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_26);
-lean_ctor_set(x_35, 1, x_34);
-lean_ctor_set(x_25, 0, x_35);
-return x_25;
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_box(0);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_27);
+lean_ctor_set(x_36, 1, x_35);
+lean_ctor_set(x_26, 0, x_36);
+return x_26;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_26, 0);
-lean_inc(x_36);
-lean_dec(x_26);
-x_37 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_37, 0, x_36);
-x_38 = lean_box(0);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-lean_ctor_set(x_25, 0, x_39);
-return x_25;
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_37 = lean_ctor_get(x_27, 0);
+lean_inc(x_37);
+lean_dec(x_27);
+x_38 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_38, 0, x_37);
+x_39 = lean_box(0);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+lean_ctor_set(x_26, 0, x_40);
+return x_26;
 }
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_40 = lean_ctor_get(x_25, 1);
-lean_inc(x_40);
-lean_dec(x_25);
-x_41 = lean_ctor_get(x_26, 0);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_41 = lean_ctor_get(x_26, 1);
 lean_inc(x_41);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- x_42 = x_26;
+lean_dec(x_26);
+x_42 = lean_ctor_get(x_27, 0);
+lean_inc(x_42);
+if (lean_is_exclusive(x_27)) {
+ lean_ctor_release(x_27, 0);
+ x_43 = x_27;
 } else {
- lean_dec_ref(x_26);
- x_42 = lean_box(0);
+ lean_dec_ref(x_27);
+ x_43 = lean_box(0);
 }
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(1, 1, 0);
+if (lean_is_scalar(x_43)) {
+ x_44 = lean_alloc_ctor(1, 1, 0);
 } else {
- x_43 = x_42;
+ x_44 = x_43;
 }
-lean_ctor_set(x_43, 0, x_41);
-x_44 = lean_box(0);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_44);
+lean_ctor_set(x_44, 0, x_42);
+x_45 = lean_box(0);
 x_46 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_40);
-return x_46;
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_41);
+return x_47;
 }
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg___boxed), 18, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg___boxed), 18, 0);
 return x_2;
 }
 }
@@ -9796,7 +9707,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_29 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg(x_1, x_2, x_3, x_4, x_5, x_14, x_28, x_25, x_27, x_18, x_28, x_6, x_7, x_8, x_9, x_10, x_11, x_21);
+x_29 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(x_1, x_2, x_3, x_4, x_5, x_14, x_28, x_25, x_27, x_18, x_28, x_6, x_7, x_8, x_9, x_10, x_11, x_21);
 lean_dec(x_25);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
@@ -9955,7 +9866,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg___boxed(lean_object** _args) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg___boxed(lean_object** _args) {
 lean_object* x_1 = _args[0];
 lean_object* x_2 = _args[1];
 lean_object* x_3 = _args[2];
@@ -9981,7 +9892,7 @@ x_19 = lean_unbox_usize(x_9);
 lean_dec(x_9);
 x_20 = lean_unbox_usize(x_10);
 lean_dec(x_10);
-x_21 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__5___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19, x_20, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
+x_21 = l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_guess___spec__4___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19, x_20, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
 lean_dec(x_8);
 return x_21;
 }
diff --git a/stage0/stdlib/Lean/Elab/Quotation.c b/stage0/stdlib/Lean/Elab/Quotation.c
index 9bcb0f5f51..396dd8576f 100644
--- a/stage0/stdlib/Lean/Elab/Quotation.c
+++ b/stage0/stdlib/Lean/Elab/Quotation.c
@@ -687,7 +687,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_addNamedQuotInfo(lean_object
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___at_Lean_Elab_Term_Quotation_ArrayStxBuilder_build___spec__2___closed__7;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__1___closed__9;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__24(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19832_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19839_(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_8115__declRange___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__23___closed__20;
@@ -808,6 +808,7 @@ LEAN_EXPORT lean_object* l_List_beq___at___private_Lean_Elab_Quotation_0__Lean_E
 LEAN_EXPORT uint8_t l_Lean_HashSetImp_contains___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_checkUnusedAlts___spec__1(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___closed__44;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__10___closed__5;
+static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__2___closed__16;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getSepFromSplice(lean_object*);
@@ -967,6 +968,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__2___closed__12;
 static lean_object* l_Lean_Elab_Term_Quotation_instQuotePreresolvedMkStr1___closed__14;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___lambda__3___closed__21;
+static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5;
 lean_object* l_Array_mkArray2___rarg(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___closed__42;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__16___closed__2;
@@ -28129,6 +28131,24 @@ return x_1;
 static lean_object* _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2() {
 _start:
 {
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("patternIgnore", 13);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__2___closed__3;
@@ -28136,7 +28156,7 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3() {
+static lean_object* _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -28152,48 +28172,43 @@ lean_dec(x_5);
 x_82 = l_Lean_Syntax_isAtom(x_1);
 if (x_82 == 0)
 {
-uint8_t x_83; 
+lean_object* x_83; uint8_t x_84; 
+x_83 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3;
 lean_inc(x_1);
-x_83 = l_Lean_Syntax_isTokenAntiquot(x_1);
-if (x_83 == 0)
-{
-uint8_t x_84; 
-lean_inc(x_1);
-x_84 = l_Lean_Syntax_isAntiquots(x_1);
+x_84 = l_Lean_Syntax_isOfKind(x_1, x_83);
 if (x_84 == 0)
 {
 uint8_t x_85; 
-x_85 = l_Lean_Syntax_isAntiquotSuffixSplice(x_1);
+lean_inc(x_1);
+x_85 = l_Lean_Syntax_isTokenAntiquot(x_1);
 if (x_85 == 0)
 {
 uint8_t x_86; 
-x_86 = l_Lean_Syntax_isAntiquotSplice(x_1);
+lean_inc(x_1);
+x_86 = l_Lean_Syntax_isAntiquots(x_1);
 if (x_86 == 0)
 {
-lean_object* x_87; 
+uint8_t x_87; 
+x_87 = l_Lean_Syntax_isAntiquotSuffixSplice(x_1);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Syntax_isAntiquotSplice(x_1);
+if (x_88 == 0)
+{
+lean_object* x_89; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-x_87 = lean_box(0);
-x_13 = x_87;
+x_89 = lean_box(0);
+x_13 = x_89;
 goto block_81;
 }
 else
 {
-lean_object* x_88; lean_object* x_89; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_88 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__1___closed__6;
-x_89 = l_Lean_throwErrorAt___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__1(x_1, x_88, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_89;
-}
-}
-else
-{
 lean_object* x_90; lean_object* x_91; 
 lean_dec(x_4);
 lean_dec(x_3);
@@ -28205,181 +28220,181 @@ return x_91;
 }
 else
 {
-lean_object* x_92; uint8_t x_93; 
-lean_inc(x_1);
-x_92 = l_Lean_Syntax_getCanonicalAntiquot(x_1);
-x_93 = l_Lean_Syntax_isEscapedAntiquot(x_92);
-if (x_93 == 0)
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-x_94 = l_Lean_Syntax_antiquotKinds(x_1);
-x_95 = l_List_unzip___rarg(x_94);
-x_96 = lean_ctor_get(x_95, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_95, 1);
-lean_inc(x_97);
-lean_dec(x_95);
-x_98 = l_Lean_Syntax_getAntiquotTerm(x_92);
-x_99 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__12___closed__2;
-lean_inc(x_98);
-x_100 = l_Lean_Syntax_isOfKind(x_98, x_99);
-x_101 = lean_unsigned_to_nat(3u);
-x_102 = l_Lean_Syntax_getArg(x_92, x_101);
-lean_dec(x_92);
-x_103 = l_Lean_Syntax_isNone(x_102);
-lean_dec(x_102);
-if (x_100 == 0)
-{
-lean_object* x_124; uint8_t x_125; 
-x_124 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
-lean_inc(x_98);
-x_125 = l_Lean_Syntax_isOfKind(x_98, x_124);
-if (x_125 == 0)
-{
-lean_object* x_126; 
-x_126 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__27___boxed), 9, 1);
-lean_closure_set(x_126, 0, x_98);
-x_104 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_127; 
-lean_inc(x_96);
-lean_inc(x_3);
-x_127 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__28___boxed), 11, 3);
-lean_closure_set(x_127, 0, x_98);
-lean_closure_set(x_127, 1, x_3);
-lean_closure_set(x_127, 2, x_96);
-x_104 = x_127;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_128; 
-lean_dec(x_98);
-x_128 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___closed__1;
-x_104 = x_128;
-goto block_123;
-}
-block_123:
-{
-if (x_103 == 0)
-{
-uint8_t x_105; uint8_t x_106; 
-x_105 = 1;
-x_106 = l_List_foldr___at_List_and___spec__1(x_105, x_97);
-lean_dec(x_97);
-if (x_106 == 0)
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_107 = lean_box(0);
-lean_inc(x_96);
-x_108 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_108, 0, x_96);
-lean_ctor_set(x_108, 1, x_107);
-lean_inc(x_96);
-x_109 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__25___boxed), 3, 2);
-lean_closure_set(x_109, 0, x_96);
-lean_closure_set(x_109, 1, x_104);
-x_110 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__26___boxed), 12, 3);
-lean_closure_set(x_110, 0, x_3);
-lean_closure_set(x_110, 1, x_2);
-lean_closure_set(x_110, 2, x_96);
-x_111 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_111, 0, x_108);
-lean_ctor_set(x_111, 1, x_109);
-lean_ctor_set(x_111, 2, x_110);
-x_112 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_12);
-return x_112;
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-lean_dec(x_96);
-lean_dec(x_2);
-x_113 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
-lean_closure_set(x_113, 0, x_104);
-x_114 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
-lean_closure_set(x_114, 0, x_3);
-x_115 = lean_box(0);
-x_116 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_113);
-lean_ctor_set(x_116, 2, x_114);
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_12);
-return x_117;
-}
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
-lean_dec(x_97);
-lean_dec(x_96);
-lean_dec(x_2);
-x_118 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
-lean_closure_set(x_118, 0, x_104);
-x_119 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
-lean_closure_set(x_119, 0, x_3);
-x_120 = lean_box(0);
-x_121 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_121, 0, x_120);
-lean_ctor_set(x_121, 1, x_118);
-lean_ctor_set(x_121, 2, x_119);
-x_122 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_122, 0, x_121);
-lean_ctor_set(x_122, 1, x_12);
-return x_122;
-}
-}
-}
-else
-{
-uint8_t x_129; 
-lean_dec(x_92);
-x_129 = l_Lean_Syntax_isAntiquotSuffixSplice(x_1);
-if (x_129 == 0)
-{
-uint8_t x_130; 
-x_130 = l_Lean_Syntax_isAntiquotSplice(x_1);
-if (x_130 == 0)
-{
-lean_object* x_131; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_131 = lean_box(0);
-x_13 = x_131;
-goto block_81;
-}
-else
-{
-lean_object* x_132; lean_object* x_133; 
+lean_object* x_92; lean_object* x_93; 
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_132 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__1___closed__6;
-x_133 = l_Lean_throwErrorAt___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__1(x_1, x_132, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_133;
+x_92 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__1___closed__6;
+x_93 = l_Lean_throwErrorAt___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__1(x_1, x_92, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_93;
 }
 }
 else
 {
+lean_object* x_94; uint8_t x_95; 
+lean_inc(x_1);
+x_94 = l_Lean_Syntax_getCanonicalAntiquot(x_1);
+x_95 = l_Lean_Syntax_isEscapedAntiquot(x_94);
+if (x_95 == 0)
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+x_96 = l_Lean_Syntax_antiquotKinds(x_1);
+x_97 = l_List_unzip___rarg(x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = l_Lean_Syntax_getAntiquotTerm(x_94);
+x_101 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__12___closed__2;
+lean_inc(x_100);
+x_102 = l_Lean_Syntax_isOfKind(x_100, x_101);
+x_103 = lean_unsigned_to_nat(3u);
+x_104 = l_Lean_Syntax_getArg(x_94, x_103);
+lean_dec(x_94);
+x_105 = l_Lean_Syntax_isNone(x_104);
+lean_dec(x_104);
+if (x_102 == 0)
+{
+lean_object* x_126; uint8_t x_127; 
+x_126 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
+lean_inc(x_100);
+x_127 = l_Lean_Syntax_isOfKind(x_100, x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__27___boxed), 9, 1);
+lean_closure_set(x_128, 0, x_100);
+x_106 = x_128;
+goto block_125;
+}
+else
+{
+lean_object* x_129; 
+lean_inc(x_98);
+lean_inc(x_3);
+x_129 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__28___boxed), 11, 3);
+lean_closure_set(x_129, 0, x_100);
+lean_closure_set(x_129, 1, x_3);
+lean_closure_set(x_129, 2, x_98);
+x_106 = x_129;
+goto block_125;
+}
+}
+else
+{
+lean_object* x_130; 
+lean_dec(x_100);
+x_130 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__23___closed__1;
+x_106 = x_130;
+goto block_125;
+}
+block_125:
+{
+if (x_105 == 0)
+{
+uint8_t x_107; uint8_t x_108; 
+x_107 = 1;
+x_108 = l_List_foldr___at_List_and___spec__1(x_107, x_99);
+lean_dec(x_99);
+if (x_108 == 0)
+{
+lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_109 = lean_box(0);
+lean_inc(x_98);
+x_110 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_110, 0, x_98);
+lean_ctor_set(x_110, 1, x_109);
+lean_inc(x_98);
+x_111 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__25___boxed), 3, 2);
+lean_closure_set(x_111, 0, x_98);
+lean_closure_set(x_111, 1, x_106);
+x_112 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__26___boxed), 12, 3);
+lean_closure_set(x_112, 0, x_3);
+lean_closure_set(x_112, 1, x_2);
+lean_closure_set(x_112, 2, x_98);
+x_113 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_113, 0, x_110);
+lean_ctor_set(x_113, 1, x_111);
+lean_ctor_set(x_113, 2, x_112);
+x_114 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_12);
+return x_114;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_98);
+lean_dec(x_2);
+x_115 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
+lean_closure_set(x_115, 0, x_106);
+x_116 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
+lean_closure_set(x_116, 0, x_3);
+x_117 = lean_box(0);
+x_118 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_115);
+lean_ctor_set(x_118, 2, x_116);
+x_119 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_12);
+return x_119;
+}
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+lean_dec(x_99);
+lean_dec(x_98);
+lean_dec(x_2);
+x_120 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
+lean_closure_set(x_120, 0, x_106);
+x_121 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
+lean_closure_set(x_121, 0, x_3);
+x_122 = lean_box(0);
+x_123 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_120);
+lean_ctor_set(x_123, 2, x_121);
+x_124 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_124, 0, x_123);
+lean_ctor_set(x_124, 1, x_12);
+return x_124;
+}
+}
+}
+else
+{
+uint8_t x_131; 
+lean_dec(x_94);
+x_131 = l_Lean_Syntax_isAntiquotSuffixSplice(x_1);
+if (x_131 == 0)
+{
+uint8_t x_132; 
+x_132 = l_Lean_Syntax_isAntiquotSplice(x_1);
+if (x_132 == 0)
+{
+lean_object* x_133; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_133 = lean_box(0);
+x_13 = x_133;
+goto block_81;
+}
+else
+{
 lean_object* x_134; lean_object* x_135; 
 lean_dec(x_4);
 lean_dec(x_3);
@@ -28389,11 +28404,22 @@ x_135 = l_Lean_throwErrorAt___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term
 return x_135;
 }
 }
+else
+{
+lean_object* x_136; lean_object* x_137; 
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_136 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___lambda__1___closed__6;
+x_137 = l_Lean_throwErrorAt___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__1(x_1, x_136, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_137;
+}
+}
 }
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -28403,27 +28429,27 @@ lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_inc(x_3);
-x_136 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29___boxed), 10, 2);
-lean_closure_set(x_136, 0, x_1);
-lean_closure_set(x_136, 1, x_3);
-x_137 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
-lean_closure_set(x_137, 0, x_136);
-x_138 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
-lean_closure_set(x_138, 0, x_3);
-x_139 = lean_box(0);
-x_140 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_140, 0, x_139);
-lean_ctor_set(x_140, 1, x_137);
-lean_ctor_set(x_140, 2, x_138);
-x_141 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_141, 0, x_140);
-lean_ctor_set(x_141, 1, x_12);
-return x_141;
+x_138 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29___boxed), 10, 2);
+lean_closure_set(x_138, 0, x_1);
+lean_closure_set(x_138, 1, x_3);
+x_139 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__4), 2, 1);
+lean_closure_set(x_139, 0, x_138);
+x_140 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
+lean_closure_set(x_140, 0, x_3);
+x_141 = lean_box(0);
+x_142 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_139);
+lean_ctor_set(x_142, 2, x_140);
+x_143 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_12);
+return x_143;
 }
 }
 else
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -28433,18 +28459,44 @@ lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_142 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
-lean_closure_set(x_142, 0, x_3);
-x_143 = lean_box(0);
-x_144 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3;
-x_145 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_145, 0, x_143);
-lean_ctor_set(x_145, 1, x_144);
-lean_ctor_set(x_145, 2, x_142);
-x_146 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_146, 0, x_145);
-lean_ctor_set(x_146, 1, x_12);
-return x_146;
+x_144 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
+lean_closure_set(x_144, 0, x_3);
+x_145 = lean_box(0);
+x_146 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5;
+x_147 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_147, 0, x_145);
+lean_ctor_set(x_147, 1, x_146);
+lean_ctor_set(x_147, 2, x_144);
+x_148 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_148, 0, x_147);
+lean_ctor_set(x_148, 1, x_12);
+return x_148;
+}
+}
+else
+{
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_149 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
+lean_closure_set(x_149, 0, x_3);
+x_150 = lean_box(0);
+x_151 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5;
+x_152 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_152, 0, x_150);
+lean_ctor_set(x_152, 1, x_151);
+lean_ctor_set(x_152, 2, x_149);
+x_153 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_153, 0, x_152);
+lean_ctor_set(x_153, 1, x_12);
+return x_153;
 }
 block_81:
 {
@@ -28764,7 +28816,7 @@ x_17 = l_Lean_Syntax_isOfKind(x_14, x_16);
 if (x_17 == 0)
 {
 lean_object* x_18; uint8_t x_19; 
-x_18 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_18 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 lean_inc(x_14);
 x_19 = l_Lean_Syntax_isOfKind(x_14, x_18);
 if (x_19 == 0)
@@ -29015,7 +29067,7 @@ lean_dec(x_2);
 x_79 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
 lean_closure_set(x_79, 0, x_9);
 x_80 = lean_box(0);
-x_81 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3;
+x_81 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5;
 x_82 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_82, 0, x_80);
 lean_ctor_set(x_82, 1, x_81);
@@ -29141,7 +29193,7 @@ x_111 = l_Lean_Syntax_isOfKind(x_108, x_110);
 if (x_111 == 0)
 {
 lean_object* x_112; uint8_t x_113; 
-x_112 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_112 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 lean_inc(x_108);
 x_113 = l_Lean_Syntax_isOfKind(x_108, x_112);
 if (x_113 == 0)
@@ -29359,7 +29411,7 @@ lean_dec(x_2);
 x_165 = lean_alloc_closure((void*)(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__5___boxed), 10, 1);
 lean_closure_set(x_165, 0, x_9);
 x_166 = lean_box(0);
-x_167 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3;
+x_167 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5;
 x_168 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_168, 0, x_166);
 lean_ctor_set(x_168, 1, x_167);
@@ -30612,7 +30664,7 @@ else
 lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_17 = lean_unsigned_to_nat(0u);
 x_18 = l_Lean_Syntax_getArg(x_12, x_17);
-x_19 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_19 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 x_20 = l_Lean_Syntax_isOfKind(x_18, x_19);
 if (x_20 == 0)
 {
@@ -30685,7 +30737,7 @@ else
 lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
 x_38 = lean_unsigned_to_nat(0u);
 x_39 = l_Lean_Syntax_getArg(x_33, x_38);
-x_40 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_40 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 x_41 = l_Lean_Syntax_isOfKind(x_39, x_40);
 if (x_41 == 0)
 {
@@ -36444,7 +36496,7 @@ else
 lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_15 = lean_unsigned_to_nat(0u);
 x_16 = l_Lean_Syntax_getArg(x_2, x_15);
-x_17 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2;
+x_17 = l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4;
 lean_inc(x_16);
 x_18 = l_Lean_Syntax_isOfKind(x_16, x_17);
 if (x_18 == 0)
@@ -38763,7 +38815,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19832_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19839_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
@@ -40333,6 +40385,10 @@ l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda
 lean_mark_persistent(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__2);
 l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3 = _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3();
 lean_mark_persistent(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__3);
+l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4 = _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__4);
+l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5 = _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__30___closed__5);
 l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___closed__1 = _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___closed__1);
 l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___closed__2 = _init_l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___closed__2();
@@ -40489,7 +40545,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_Quotation_elabNoErrorIfUnused
 res = l___regBuiltin_Lean_Elab_Term_Quotation_elabNoErrorIfUnused_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19832_(lean_io_mk_world());
+res = l_Lean_Elab_Term_Quotation_initFn____x40_Lean_Elab_Quotation___hyg_19839_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Syntax.c b/stage0/stdlib/Lean/Elab/Syntax.c
index f4e00022b1..ea7869362c 100644
--- a/stage0/stdlib/Lean/Elab/Syntax.c
+++ b/stage0/stdlib/Lean/Elab/Syntax.c
@@ -18,18 +18,21 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 lean_object* l_List_reverse___rarg(lean_object*);
 uint8_t l_Lean_Syntax_isQuot(lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__9;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5;
 lean_object* l_Lean_mkCIdentFrom(lean_object*, lean_object*, uint8_t);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__25;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_toParserDescr_processNonReserved___spec__1___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Term_elabParserName_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__16;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_toParserDescr_process___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12;
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__9;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__2;
 static lean_object* l_Lean_Elab_Command_inferMacroRulesAltKind___closed__1;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__4;
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_elabSyntax___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_toParserDescr_process___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_resolveSyntaxKind___closed__1;
 lean_object* l_Lean_registerTraceClass(lean_object*, uint8_t, lean_object*);
@@ -91,7 +94,6 @@ lean_object* l_Lean_SourceInfo_fromRef(lean_object*, uint8_t);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__23;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__12;
 lean_object* l___private_Init_Util_0__outOfBounds___rarg(lean_object*);
-static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72;
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__2;
 extern lean_object* l_Lean_Elab_Command_commandElabAttribute;
 extern lean_object* l_Lean_maxRecDepthErrorMessage;
@@ -109,7 +111,6 @@ static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___c
 lean_object* l_Lean_Parser_getParserAliasInfo(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_ensureNoPrec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_node2(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__12;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processAtom___lambda__1___closed__6;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___closed__4;
 static lean_object* l_Lean_Elab_Command_checkRuleKind___closed__2;
@@ -132,10 +133,12 @@ uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__5;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__9;
 static lean_object* l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__22;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___closed__1;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkIdentFrom(lean_object*, lean_object*, uint8_t);
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__4;
@@ -155,8 +158,8 @@ static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__16;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___closed__8;
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__5;
 lean_object* lean_array_get_size(lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
@@ -173,10 +176,8 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSeq___lambda__1(l
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__19;
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_elabSyntax___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Term_withNotFirst(lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__13;
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__1;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Command_expandNoKindMacroRulesAux___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
@@ -226,8 +227,8 @@ static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__4;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__27;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__11;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_elabSyntax___spec__7(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_checkLeftRec___closed__1;
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__8;
 lean_object* lean_string_utf8_next(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__6;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Command_mkNameFromParserSyntax_visit___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -247,7 +248,6 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__4;
 extern lean_object* l_Lean_inheritedTraceOptions;
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__9;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAtom___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_Elab_Term_checkLeftRec___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -255,7 +255,6 @@ lean_object* lean_array_fget(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__10;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__36;
 static lean_object* l_Lean_Elab_Term_addCategoryInfo___closed__1;
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_toParserDescr_process___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_expandNoKindMacroRulesAux___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_inferMacroRulesAltKind___spec__1(lean_object*, lean_object*);
@@ -277,6 +276,7 @@ static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed_
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__51;
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__9;
 lean_object* l_Lean_Elab_expandMacroImpl_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev(lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_checkLeftRec___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -285,6 +285,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange___clos
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev___closed__2;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__7;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_declRange___closed__4;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Term_markAsTrailingParser___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -298,13 +299,13 @@ LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Term_checkLeftRec___
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at_Lean_Elab_Term_toParserDescr_processSeq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_toParserDescr_process___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__5(size_t, size_t, lean_object*);
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__3___closed__1;
 static lean_object* l_Lean_Elab_Term_elabParserName_x3f___closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_toParserDescr_process___spec__5___rarg(lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__38;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__21;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__5;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___closed__12;
 lean_object* l_Lean_Name_toString(lean_object*, uint8_t);
@@ -316,7 +317,7 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 lean_object* l_Lean_Syntax_node7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_String_capitalize(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureUnaryOutput(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717_(lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__13;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__7;
 static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__2;
@@ -345,7 +346,6 @@ LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_elabSy
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__1;
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Term_withNestedParser(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getId(lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__1;
@@ -360,10 +360,9 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_elabSyntax___spec__12(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_checkLeftRec___lambda__2___closed__1;
 lean_object* l_Lean_Elab_Command_runTermElabM___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__10;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_checkLeftRec___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8;
 lean_object* l_Lean_addMessageContextPartial___at_Lean_Elab_Command_instAddMessageContextCommandElabM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_elabSyntax___spec__12___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Command_mkNameFromParserSyntax_visit___spec__1(lean_object*, size_t, size_t, lean_object*);
@@ -373,16 +372,18 @@ static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_
 uint8_t l_Lean_Environment_contains(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1___closed__5;
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__6;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__7;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10;
 uint32_t lean_string_utf8_get(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__10;
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__7;
 lean_object* l_Lean_Syntax_mkStrLit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__8;
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5;
+static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__20;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__4;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__1;
@@ -407,8 +408,6 @@ static lean_object* l_Lean_Elab_Term_addCategoryInfo___closed__2;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
 lean_object* l_Lean_Elab_Command_elabCommand(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_elabSyntax___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__6;
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__4;
 lean_object* l_Lean_evalOptPrio(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__12;
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -446,6 +445,7 @@ static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__10___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_checkSyntaxNodeKindAtNamespaces___at_Lean_Elab_Command_resolveSyntaxKind___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___closed__7;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__8___closed__1;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processSeq___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_node6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_evalPrec(lean_object*, lean_object*, lean_object*);
@@ -471,6 +471,8 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDesc
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__61;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_elabParserName___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getQuotContent(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2(lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkNameFromParserSyntax_appendCatName(lean_object*, lean_object*);
 uint8_t lean_uint32_dec_eq(uint32_t, uint32_t);
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__3;
@@ -481,6 +483,7 @@ lean_object* l_Lean_Name_getString_x21(lean_object*);
 lean_object* l_String_intercalate(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__6;
 uint8_t l_Lean_Name_isStr(lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6;
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__15;
 static lean_object* l_Lean_Elab_Command_elabSyntax___closed__4;
 LEAN_EXPORT lean_object* l_Lean_setEnv___at_Lean_Elab_Command_elabDeclareSyntaxCat___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -492,6 +495,7 @@ uint8_t l_String_isEmpty(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_toParserDescr_processAlias___spec__3(lean_object*, size_t, size_t, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__14;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7;
 lean_object* l_Lean_Syntax_getNumArgs(lean_object*);
 extern lean_object* l_Lean_Elab_Term_instMonadTermElabM;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processAtom___lambda__1___closed__1;
@@ -547,7 +551,6 @@ lean_object* l_Lean_quoteNameMk(lean_object*);
 uint8_t l___private_Lean_Parser_Basic_0__Lean_Parser_beqLeadingIdentBehavior____x40_Lean_Parser_Basic___hyg_10586_(uint8_t, uint8_t);
 static lean_object* l_Lean_Elab_Command_elabSyntax___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_checkLeftRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_inferMacroRulesAltKind___spec__2___rarg(lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__9;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__58;
@@ -567,9 +570,11 @@ LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at_Lean_Elab_Term_toParserDescr_p
 lean_object* l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__14;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabParserName_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__14;
 static lean_object* l_Lean_Elab_Command_elabSyntax___closed__2;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__26;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_declRange___closed__5;
 lean_object* l_Lean_Elab_Command_getMainModule___rarg(lean_object*, lean_object*);
@@ -594,6 +599,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__22;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__16;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_elabParserName_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isTracingEnabledFor___at_Lean_Elab_Term_checkLeftRec___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__14;
@@ -613,7 +619,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat___clos
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_elabSyntax___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isNone(lean_object*);
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__5;
-static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__53;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__24;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__18;
@@ -624,10 +629,11 @@ static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_declRange_
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_String_trim(lean_object*);
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__15;
-static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__7;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_declRange___closed__3;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory___closed__1;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandOptPrecedence(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Term_elabParserName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_isValidAtom___boxed(lean_object*);
@@ -636,6 +642,7 @@ static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__2;
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__28;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__16;
+lean_object* l_Lean_TSyntax_getString(lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__14;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_toParserDescr_process___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -643,6 +650,7 @@ static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__9___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_toParserDescr_process___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_elabParserName___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__55;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__5;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__1;
 extern lean_object* l_Lean_Elab_unsupportedSyntaxExceptionId;
@@ -669,6 +677,7 @@ LEAN_EXPORT lean_object* l_Lean_setEnv___at_Lean_Elab_Command_elabDeclareSyntaxC
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_elabSyntax___spec__12___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1___closed__2;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9;
 static lean_object* l_Lean_Elab_Term_ensureUnaryOutput___closed__7;
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__13;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__19;
@@ -682,6 +691,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda_
 lean_object* l_Lean_Name_mkStr4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___closed__2;
 static lean_object* l_Lean_Elab_Command_inferMacroRulesAltKind___closed__2;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6;
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_Elab_Term_checkLeftRec___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__32;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__10;
@@ -693,9 +703,11 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Term_withNotF
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__56;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__66;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_inferMacroRulesAltKind___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__21;
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_declRange___closed__4;
 static lean_object* l_Lean_Elab_Term_toParserDescr_ensureNoPrec___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_checkLeftRec___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -704,11 +716,13 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_inferMacroRulesAltKind___lambda__1_
 static lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__2;
 uint8_t lean_string_utf8_at_end(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__23;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__24;
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_declRange___closed__2;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__63;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_toParserDescr_processNonReserved___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_checkLeftRec___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__13;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__8___closed__2;
@@ -716,7 +730,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntax___closed__2;
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy___lambda__1___closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__12;
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_expandNoKindMacroRulesAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabDeclareSyntaxCat(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat(lean_object*);
@@ -726,13 +740,12 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 static lean_object* l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__3;
 static lean_object* l_Lean_Elab_Command_elabSyntax___lambda__4___closed__21;
 static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__7;
-static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processAtom___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__1;
+static lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabSyntax___closed__1;
 static lean_object* l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabSyntax___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10;
 lean_object* l_Lean_Elab_mkUnusedBaseName(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_getBetterRef(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabSyntax___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -742,6 +755,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___box
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__21;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addCategoryInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_expandNoKindMacroRulesAux___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandOptPrecedence(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -8209,6 +8223,454 @@ goto _start;
 }
 }
 }
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("ParserDescr.nodeWithAntiquot", 28);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1;
+x_2 = l_String_toSubstring_x27(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("nodeWithAntiquot", 16);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3;
+x_3 = l_Lean_Name_mkStr2(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__1;
+x_2 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
+x_3 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3;
+x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set(x_3, 1, x_1);
+return x_3;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set(x_3, 1, x_1);
+return x_3;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6;
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("token", 5);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_12 = l_Lean_TSyntax_getString(x_2);
+x_13 = lean_ctor_get(x_9, 5);
+lean_inc(x_13);
+x_14 = 0;
+x_15 = l_Lean_SourceInfo_fromRef(x_13, x_14);
+x_16 = lean_ctor_get(x_9, 10);
+lean_inc(x_16);
+lean_dec(x_9);
+x_17 = lean_st_ref_get(x_10, x_11);
+x_18 = !lean_is_exclusive(x_17);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_19 = lean_ctor_get(x_17, 0);
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = lean_environment_main_module(x_20);
+x_22 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4;
+x_23 = l_Lean_addMacroScope(x_21, x_22, x_16);
+x_24 = lean_box(0);
+x_25 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2;
+x_26 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9;
+lean_inc(x_15);
+x_27 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_27, 0, x_15);
+lean_ctor_set(x_27, 1, x_25);
+lean_ctor_set(x_27, 2, x_23);
+lean_ctor_set(x_27, 3, x_26);
+x_28 = lean_box(2);
+x_29 = l_Lean_Syntax_mkStrLit(x_12, x_28);
+x_30 = lean_box(0);
+x_31 = l_Lean_Name_str___override(x_30, x_12);
+x_32 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11;
+x_33 = l_Lean_Name_append(x_32, x_31);
+lean_inc(x_33);
+x_34 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_24, x_33);
+if (lean_obj_tag(x_34) == 0)
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_35 = lean_ctor_get(x_1, 0);
+lean_inc(x_35);
+lean_dec(x_1);
+x_36 = l_Lean_quoteNameMk(x_33);
+x_37 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_15);
+x_38 = l_Lean_Syntax_node3(x_15, x_37, x_29, x_36, x_35);
+x_39 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_40 = l_Lean_Syntax_node2(x_15, x_39, x_27, x_38);
+x_41 = lean_unsigned_to_nat(1u);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+lean_ctor_set(x_17, 0, x_42);
+return x_17;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+lean_dec(x_33);
+x_43 = lean_ctor_get(x_1, 0);
+lean_inc(x_43);
+lean_dec(x_1);
+x_44 = lean_ctor_get(x_34, 0);
+lean_inc(x_44);
+lean_dec(x_34);
+x_45 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
+x_46 = l_String_intercalate(x_45, x_44);
+x_47 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
+x_48 = lean_string_append(x_47, x_46);
+lean_dec(x_46);
+x_49 = l_Lean_Syntax_mkNameLit(x_48, x_28);
+x_50 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
+x_51 = lean_array_push(x_50, x_49);
+x_52 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
+x_53 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_53, 0, x_28);
+lean_ctor_set(x_53, 1, x_52);
+lean_ctor_set(x_53, 2, x_51);
+x_54 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_15);
+x_55 = l_Lean_Syntax_node3(x_15, x_54, x_29, x_53, x_43);
+x_56 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_57 = l_Lean_Syntax_node2(x_15, x_56, x_27, x_55);
+x_58 = lean_unsigned_to_nat(1u);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+lean_ctor_set(x_17, 0, x_59);
+return x_17;
+}
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_60 = lean_ctor_get(x_17, 0);
+x_61 = lean_ctor_get(x_17, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_17);
+x_62 = lean_ctor_get(x_60, 0);
+lean_inc(x_62);
+lean_dec(x_60);
+x_63 = lean_environment_main_module(x_62);
+x_64 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4;
+x_65 = l_Lean_addMacroScope(x_63, x_64, x_16);
+x_66 = lean_box(0);
+x_67 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2;
+x_68 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9;
+lean_inc(x_15);
+x_69 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_69, 0, x_15);
+lean_ctor_set(x_69, 1, x_67);
+lean_ctor_set(x_69, 2, x_65);
+lean_ctor_set(x_69, 3, x_68);
+x_70 = lean_box(2);
+x_71 = l_Lean_Syntax_mkStrLit(x_12, x_70);
+x_72 = lean_box(0);
+x_73 = l_Lean_Name_str___override(x_72, x_12);
+x_74 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11;
+x_75 = l_Lean_Name_append(x_74, x_73);
+lean_inc(x_75);
+x_76 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_66, x_75);
+if (lean_obj_tag(x_76) == 0)
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_77 = lean_ctor_get(x_1, 0);
+lean_inc(x_77);
+lean_dec(x_1);
+x_78 = l_Lean_quoteNameMk(x_75);
+x_79 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_15);
+x_80 = l_Lean_Syntax_node3(x_15, x_79, x_71, x_78, x_77);
+x_81 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_82 = l_Lean_Syntax_node2(x_15, x_81, x_69, x_80);
+x_83 = lean_unsigned_to_nat(1u);
+x_84 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_84, 0, x_82);
+lean_ctor_set(x_84, 1, x_83);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_61);
+return x_85;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+lean_dec(x_75);
+x_86 = lean_ctor_get(x_1, 0);
+lean_inc(x_86);
+lean_dec(x_1);
+x_87 = lean_ctor_get(x_76, 0);
+lean_inc(x_87);
+lean_dec(x_76);
+x_88 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
+x_89 = l_String_intercalate(x_88, x_87);
+x_90 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
+x_91 = lean_string_append(x_90, x_89);
+lean_dec(x_89);
+x_92 = l_Lean_Syntax_mkNameLit(x_91, x_70);
+x_93 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
+x_94 = lean_array_push(x_93, x_92);
+x_95 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
+x_96 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_96, 0, x_70);
+lean_ctor_set(x_96, 1, x_95);
+lean_ctor_set(x_96, 2, x_94);
+x_97 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_15);
+x_98 = l_Lean_Syntax_node3(x_15, x_97, x_71, x_96, x_86);
+x_99 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_100 = l_Lean_Syntax_node2(x_15, x_99, x_69, x_98);
+x_101 = lean_unsigned_to_nat(1u);
+x_102 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_102, 0, x_100);
+lean_ctor_set(x_102, 1, x_101);
+x_103 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_103, 0, x_102);
+lean_ctor_set(x_103, 1, x_61);
+return x_103;
+}
+}
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("str", 3);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6(size_t x_1, size_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; 
+x_13 = lean_usize_dec_lt(x_2, x_1);
+if (x_13 == 0)
+{
+lean_object* x_14; 
+lean_dec(x_10);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_3);
+lean_ctor_set(x_14, 1, x_12);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_15 = lean_array_uget(x_3, x_2);
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = lean_array_uset(x_3, x_2, x_16);
+x_18 = lean_ctor_get(x_15, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_15, 1);
+lean_inc(x_19);
+lean_dec(x_15);
+x_20 = l_Lean_Syntax_getArgs(x_18);
+lean_dec(x_18);
+x_21 = lean_array_get_size(x_20);
+x_22 = lean_unsigned_to_nat(1u);
+x_23 = lean_nat_dec_eq(x_21, x_22);
+lean_dec(x_21);
+if (x_23 == 0)
+{
+size_t x_24; size_t x_25; lean_object* x_26; 
+lean_dec(x_20);
+x_24 = 1;
+x_25 = lean_usize_add(x_2, x_24);
+x_26 = lean_array_uset(x_17, x_2, x_19);
+x_2 = x_25;
+x_3 = x_26;
+goto _start;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_28 = lean_array_fget(x_20, x_16);
+lean_dec(x_20);
+x_29 = l_Lean_Elab_Term_toParserDescr_process___closed__13;
+lean_inc(x_28);
+x_30 = l_Lean_Syntax_isOfKind(x_28, x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; uint8_t x_32; 
+x_31 = l_Lean_Elab_Term_toParserDescr_process___closed__11;
+lean_inc(x_28);
+x_32 = l_Lean_Syntax_isOfKind(x_28, x_31);
+if (x_32 == 0)
+{
+size_t x_33; size_t x_34; lean_object* x_35; 
+lean_dec(x_28);
+x_33 = 1;
+x_34 = lean_usize_add(x_2, x_33);
+x_35 = lean_array_uset(x_17, x_2, x_19);
+x_2 = x_34;
+x_3 = x_35;
+goto _start;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_37 = l_Lean_Syntax_getArg(x_28, x_16);
+lean_dec(x_28);
+x_38 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2;
+lean_inc(x_37);
+x_39 = l_Lean_Syntax_isOfKind(x_37, x_38);
+if (x_39 == 0)
+{
+size_t x_40; size_t x_41; lean_object* x_42; 
+lean_dec(x_37);
+x_40 = 1;
+x_41 = lean_usize_add(x_2, x_40);
+x_42 = lean_array_uset(x_17, x_2, x_19);
+x_2 = x_41;
+x_3 = x_42;
+goto _start;
+}
+else
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; size_t x_47; size_t x_48; lean_object* x_49; 
+lean_inc(x_10);
+x_44 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1(x_19, x_37, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_37);
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 1);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = 1;
+x_48 = lean_usize_add(x_2, x_47);
+x_49 = lean_array_uset(x_17, x_2, x_45);
+x_2 = x_48;
+x_3 = x_49;
+x_12 = x_46;
+goto _start;
+}
+}
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; size_t x_55; size_t x_56; lean_object* x_57; 
+x_51 = l_Lean_Syntax_getArg(x_28, x_22);
+lean_dec(x_28);
+lean_inc(x_10);
+x_52 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1(x_19, x_51, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = 1;
+x_56 = lean_usize_add(x_2, x_55);
+x_57 = lean_array_uset(x_17, x_2, x_53);
+x_2 = x_56;
+x_3 = x_57;
+x_12 = x_54;
+goto _start;
+}
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
@@ -8222,7 +8684,7 @@ lean_ctor_set(x_13, 1, x_11);
 return x_13;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -8230,7 +8692,7 @@ x_1 = lean_mk_string_from_bytes("Lean.Elab.Syntax", 16);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -8238,7 +8700,7 @@ x_1 = lean_mk_string_from_bytes("Lean.Elab.Term.toParserDescr.processAlias", 41)
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -8246,20 +8708,20 @@ x_1 = lean_mk_string_from_bytes("unreachable code has been reached", 33);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__1;
-x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__2;
-x_3 = lean_unsigned_to_nat(178u);
+x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1;
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2;
+x_3 = lean_unsigned_to_nat(190u);
 x_4 = lean_unsigned_to_nat(21u);
-x_5 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__3;
+x_5 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__5() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -8267,16 +8729,16 @@ x_1 = lean_mk_string_from_bytes("ParserDescr.const", 17);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__6() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__5;
+x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5;
 x_2 = l_String_toSubstring_x27(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__7() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7() {
 _start:
 {
 lean_object* x_1; 
@@ -8284,109 +8746,773 @@ x_1 = lean_mk_string_from_bytes("const", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__8() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
-x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__7;
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7;
 x_3 = l_Lean_Name_mkStr2(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__9() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__1;
 x_2 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
-x_3 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__7;
+x_3 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7;
 x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__10() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__9;
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__11() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__9;
+x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__12() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__11;
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__13() {
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__10;
-x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__12;
+x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10;
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2(lean_object* x_1, lean_object* x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_201; 
+x_201 = lean_ctor_get(x_2, 1);
+lean_inc(x_201);
+if (lean_obj_tag(x_201) == 0)
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+lean_dec(x_2);
+x_202 = l_Array_unzip___rarg(x_4);
+lean_dec(x_4);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_array_get_size(x_204);
+x_206 = lean_unsigned_to_nat(0u);
+x_207 = lean_nat_dec_lt(x_206, x_205);
+if (x_207 == 0)
+{
+lean_dec(x_205);
+lean_dec(x_204);
+x_14 = x_203;
+x_15 = x_206;
+goto block_200;
+}
+else
+{
+uint8_t x_208; 
+x_208 = lean_nat_dec_le(x_205, x_205);
+if (x_208 == 0)
+{
+lean_dec(x_205);
+lean_dec(x_204);
+x_14 = x_203;
+x_15 = x_206;
+goto block_200;
+}
+else
+{
+size_t x_209; lean_object* x_210; 
+x_209 = lean_usize_of_nat(x_205);
+lean_dec(x_205);
+x_210 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_toParserDescr_processAlias___spec__3(x_204, x_3, x_209, x_206);
+lean_dec(x_204);
+x_14 = x_203;
+x_15 = x_210;
+goto block_200;
+}
+}
+}
+else
+{
+uint8_t x_211; 
+x_211 = lean_ctor_get_uint8(x_2, sizeof(void*)*2);
+lean_dec(x_2);
+if (x_211 == 0)
+{
+lean_object* x_212; lean_object* x_213; size_t x_214; lean_object* x_215; 
+x_212 = lean_ctor_get(x_201, 0);
+lean_inc(x_212);
+lean_dec(x_201);
+x_213 = lean_array_get_size(x_4);
+x_214 = lean_usize_of_nat(x_213);
+lean_dec(x_213);
+x_215 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__4(x_214, x_3, x_4);
+x_14 = x_215;
+x_15 = x_212;
+goto block_200;
+}
+else
+{
+lean_object* x_216; lean_object* x_217; size_t x_218; lean_object* x_219; 
+x_216 = lean_ctor_get(x_201, 0);
+lean_inc(x_216);
+lean_dec(x_201);
+x_217 = lean_array_get_size(x_4);
+x_218 = lean_usize_of_nat(x_217);
+lean_dec(x_217);
+x_219 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__5(x_218, x_3, x_4);
+x_14 = x_219;
+x_15 = x_216;
+goto block_200;
+}
+}
+block_200:
+{
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_16 = lean_array_get_size(x_14);
+x_17 = lean_unsigned_to_nat(0u);
+x_18 = lean_nat_dec_eq(x_16, x_17);
+if (x_18 == 0)
+{
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_unsigned_to_nat(1u);
+x_20 = lean_nat_dec_eq(x_16, x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_unsigned_to_nat(2u);
+x_22 = lean_nat_dec_eq(x_16, x_21);
+lean_dec(x_16);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; 
+lean_dec(x_14);
+lean_dec(x_1);
+x_23 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_24 = l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2(x_23, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_24) == 0)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_25, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_26);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_27;
+}
+else
+{
+uint8_t x_28; 
+lean_dec(x_15);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_28 = !lean_is_exclusive(x_24);
+if (x_28 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_24, 0);
+x_30 = lean_ctor_get(x_24, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_24);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
+}
+}
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_32 = lean_array_fget(x_14, x_17);
+x_33 = lean_array_fget(x_14, x_19);
+lean_dec(x_14);
+x_34 = lean_st_ref_get(x_12, x_13);
+x_35 = lean_ctor_get(x_34, 1);
+lean_inc(x_35);
+lean_dec(x_34);
+x_36 = lean_ctor_get(x_11, 5);
+lean_inc(x_36);
+lean_inc(x_1);
+x_37 = l_Lean_Parser_ensureBinaryParserAlias(x_1, x_35);
+if (lean_obj_tag(x_37) == 0)
+{
+lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+lean_dec(x_37);
+x_39 = 0;
+x_40 = l_Lean_SourceInfo_fromRef(x_36, x_39);
+x_41 = lean_ctor_get(x_11, 10);
+lean_inc(x_41);
+x_42 = lean_st_ref_get(x_12, x_38);
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
+lean_dec(x_42);
+x_45 = lean_ctor_get(x_43, 0);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = lean_environment_main_module(x_45);
+x_47 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__10;
+x_48 = l_Lean_addMacroScope(x_46, x_47, x_41);
+x_49 = lean_box(0);
+x_50 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__7;
+x_51 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__15;
+lean_inc(x_40);
+x_52 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_52, 0, x_40);
+lean_ctor_set(x_52, 1, x_50);
+lean_ctor_set(x_52, 2, x_48);
+lean_ctor_set(x_52, 3, x_51);
+lean_inc(x_1);
+x_53 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_49, x_1);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_54 = l_Lean_quoteNameMk(x_1);
+x_55 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_40);
+x_56 = l_Lean_Syntax_node3(x_40, x_55, x_54, x_32, x_33);
+x_57 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_58 = l_Lean_Syntax_node2(x_40, x_57, x_52, x_56);
+x_59 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_58, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_44);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_59;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+lean_dec(x_1);
+x_60 = lean_ctor_get(x_53, 0);
+lean_inc(x_60);
+lean_dec(x_53);
+x_61 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
+x_62 = l_String_intercalate(x_61, x_60);
+x_63 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
+x_64 = lean_string_append(x_63, x_62);
+lean_dec(x_62);
+x_65 = lean_box(2);
+x_66 = l_Lean_Syntax_mkNameLit(x_64, x_65);
+x_67 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
+x_68 = lean_array_push(x_67, x_66);
+x_69 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
+x_70 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_70, 0, x_65);
+lean_ctor_set(x_70, 1, x_69);
+lean_ctor_set(x_70, 2, x_68);
+x_71 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_40);
+x_72 = l_Lean_Syntax_node3(x_40, x_71, x_70, x_32, x_33);
+x_73 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_74 = l_Lean_Syntax_node2(x_40, x_73, x_52, x_72);
+x_75 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_74, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_44);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_75;
+}
+}
+else
+{
+uint8_t x_76; 
+lean_dec(x_33);
+lean_dec(x_32);
+lean_dec(x_15);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_76 = !lean_is_exclusive(x_37);
+if (x_76 == 0)
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_77 = lean_ctor_get(x_37, 0);
+x_78 = lean_io_error_to_string(x_77);
+x_79 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_79, 0, x_78);
+x_80 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_80, 0, x_79);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_36);
+lean_ctor_set(x_81, 1, x_80);
+lean_ctor_set(x_37, 0, x_81);
+return x_37;
+}
+else
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_82 = lean_ctor_get(x_37, 0);
+x_83 = lean_ctor_get(x_37, 1);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_37);
+x_84 = lean_io_error_to_string(x_82);
+x_85 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_85, 0, x_84);
+x_86 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_86, 0, x_85);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_36);
+lean_ctor_set(x_87, 1, x_86);
+x_88 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_83);
+return x_88;
+}
+}
+}
+}
+else
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+lean_dec(x_16);
+x_89 = lean_array_fget(x_14, x_17);
+lean_dec(x_14);
+x_90 = lean_st_ref_get(x_12, x_13);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+lean_dec(x_90);
+x_92 = lean_ctor_get(x_11, 5);
+lean_inc(x_92);
+lean_inc(x_1);
+x_93 = l_Lean_Parser_ensureUnaryParserAlias(x_1, x_91);
+if (lean_obj_tag(x_93) == 0)
+{
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+lean_dec(x_93);
+x_95 = 0;
+x_96 = l_Lean_SourceInfo_fromRef(x_92, x_95);
+x_97 = lean_ctor_get(x_11, 10);
+lean_inc(x_97);
+x_98 = lean_st_ref_get(x_12, x_94);
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+x_101 = lean_ctor_get(x_99, 0);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = lean_environment_main_module(x_101);
+x_103 = l_Lean_Elab_Term_ensureUnaryOutput___closed__7;
+x_104 = l_Lean_addMacroScope(x_102, x_103, x_97);
+x_105 = lean_box(0);
+x_106 = l_Lean_Elab_Term_ensureUnaryOutput___closed__5;
+x_107 = l_Lean_Elab_Term_ensureUnaryOutput___closed__13;
+lean_inc(x_96);
+x_108 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_108, 0, x_96);
+lean_ctor_set(x_108, 1, x_106);
+lean_ctor_set(x_108, 2, x_104);
+lean_ctor_set(x_108, 3, x_107);
+lean_inc(x_1);
+x_109 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_105, x_1);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_110 = l_Lean_quoteNameMk(x_1);
+x_111 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_96);
+x_112 = l_Lean_Syntax_node2(x_96, x_111, x_110, x_89);
+x_113 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_114 = l_Lean_Syntax_node2(x_96, x_113, x_108, x_112);
+x_115 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_114, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_100);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_115;
+}
+else
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+lean_dec(x_1);
+x_116 = lean_ctor_get(x_109, 0);
+lean_inc(x_116);
+lean_dec(x_109);
+x_117 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
+x_118 = l_String_intercalate(x_117, x_116);
+x_119 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
+x_120 = lean_string_append(x_119, x_118);
+lean_dec(x_118);
+x_121 = lean_box(2);
+x_122 = l_Lean_Syntax_mkNameLit(x_120, x_121);
+x_123 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
+x_124 = lean_array_push(x_123, x_122);
+x_125 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
+x_126 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_126, 0, x_121);
+lean_ctor_set(x_126, 1, x_125);
+lean_ctor_set(x_126, 2, x_124);
+x_127 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_96);
+x_128 = l_Lean_Syntax_node2(x_96, x_127, x_126, x_89);
+x_129 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_130 = l_Lean_Syntax_node2(x_96, x_129, x_108, x_128);
+x_131 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_130, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_100);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_131;
+}
+}
+else
+{
+uint8_t x_132; 
+lean_dec(x_89);
+lean_dec(x_15);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_132 = !lean_is_exclusive(x_93);
+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_93, 0);
+x_134 = lean_io_error_to_string(x_133);
+x_135 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_135, 0, x_134);
+x_136 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_136, 0, x_135);
+x_137 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_137, 0, x_92);
+lean_ctor_set(x_137, 1, x_136);
+lean_ctor_set(x_93, 0, x_137);
+return x_93;
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; 
+x_138 = lean_ctor_get(x_93, 0);
+x_139 = lean_ctor_get(x_93, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_dec(x_93);
+x_140 = lean_io_error_to_string(x_138);
+x_141 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_141, 0, x_140);
+x_142 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_142, 0, x_141);
+x_143 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_143, 0, x_92);
+lean_ctor_set(x_143, 1, x_142);
+x_144 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_144, 0, x_143);
+lean_ctor_set(x_144, 1, x_139);
+return x_144;
+}
+}
+}
+}
+else
+{
+lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+lean_dec(x_16);
+lean_dec(x_14);
+x_145 = lean_st_ref_get(x_12, x_13);
+x_146 = lean_ctor_get(x_145, 1);
+lean_inc(x_146);
+lean_dec(x_145);
+x_147 = lean_ctor_get(x_11, 5);
+lean_inc(x_147);
+lean_inc(x_1);
+x_148 = l_Lean_Parser_ensureConstantParserAlias(x_1, x_146);
+if (lean_obj_tag(x_148) == 0)
+{
+lean_object* x_149; uint8_t x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+x_149 = lean_ctor_get(x_148, 1);
+lean_inc(x_149);
+lean_dec(x_148);
+x_150 = 0;
+x_151 = l_Lean_SourceInfo_fromRef(x_147, x_150);
+x_152 = lean_ctor_get(x_11, 10);
+lean_inc(x_152);
+x_153 = lean_st_ref_get(x_12, x_149);
+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_environment_main_module(x_156);
+x_158 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8;
+x_159 = l_Lean_addMacroScope(x_157, x_158, x_152);
+x_160 = lean_box(0);
+x_161 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6;
+x_162 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13;
+lean_inc(x_151);
+x_163 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_163, 0, x_151);
+lean_ctor_set(x_163, 1, x_161);
+lean_ctor_set(x_163, 2, x_159);
+lean_ctor_set(x_163, 3, x_162);
+lean_inc(x_1);
+x_164 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_160, x_1);
+if (lean_obj_tag(x_164) == 0)
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; 
+x_165 = l_Lean_quoteNameMk(x_1);
+x_166 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_151);
+x_167 = l_Lean_Syntax_node1(x_151, x_166, x_165);
+x_168 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_169 = l_Lean_Syntax_node2(x_151, x_168, x_163, x_167);
+x_170 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_169, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_155);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_170;
+}
+else
+{
+lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+lean_dec(x_1);
+x_171 = lean_ctor_get(x_164, 0);
+lean_inc(x_171);
+lean_dec(x_164);
+x_172 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
+x_173 = l_String_intercalate(x_172, x_171);
+x_174 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
+x_175 = lean_string_append(x_174, x_173);
+lean_dec(x_173);
+x_176 = lean_box(2);
+x_177 = l_Lean_Syntax_mkNameLit(x_175, x_176);
+x_178 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
+x_179 = lean_array_push(x_178, x_177);
+x_180 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
+x_181 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_181, 0, x_176);
+lean_ctor_set(x_181, 1, x_180);
+lean_ctor_set(x_181, 2, x_179);
+x_182 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
+lean_inc(x_151);
+x_183 = l_Lean_Syntax_node1(x_151, x_182, x_181);
+x_184 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
+x_185 = l_Lean_Syntax_node2(x_151, x_184, x_163, x_183);
+x_186 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_15, x_185, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_155);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_186;
+}
+}
+else
+{
+uint8_t x_187; 
+lean_dec(x_15);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_187 = !lean_is_exclusive(x_148);
+if (x_187 == 0)
+{
+lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+x_188 = lean_ctor_get(x_148, 0);
+x_189 = lean_io_error_to_string(x_188);
+x_190 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_190, 0, x_189);
+x_191 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_191, 0, x_190);
+x_192 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_192, 0, x_147);
+lean_ctor_set(x_192, 1, x_191);
+lean_ctor_set(x_148, 0, x_192);
+return x_148;
+}
+else
+{
+lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
+x_193 = lean_ctor_get(x_148, 0);
+x_194 = lean_ctor_get(x_148, 1);
+lean_inc(x_194);
+lean_inc(x_193);
+lean_dec(x_148);
+x_195 = lean_io_error_to_string(x_193);
+x_196 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_196, 0, x_195);
+x_197 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_197, 0, x_196);
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_147);
+lean_ctor_set(x_198, 1, x_197);
+x_199 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_199, 0, x_198);
+lean_ctor_set(x_199, 1, x_194);
+return x_199;
+}
+}
+}
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("orelse", 6);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
 x_12 = l_Lean_Syntax_getId(x_1);
 x_13 = lean_erase_macro_scopes(x_12);
 x_14 = lean_st_ref_get(x_10, x_11);
 x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
-x_16 = lean_ctor_get(x_9, 5);
-lean_inc(x_16);
-x_17 = l_Lean_Parser_getParserAliasInfo(x_13, x_15);
-x_18 = lean_ctor_get(x_17, 0);
+x_16 = l_Lean_Parser_getParserAliasInfo(x_13, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
 lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
-lean_dec(x_17);
+lean_dec(x_16);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_18);
-x_20 = l_Lean_Elab_Term_addAliasInfo(x_1, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
-if (lean_obj_tag(x_20) == 0)
+lean_inc(x_17);
+x_19 = l_Lean_Elab_Term_addAliasInfo(x_1, x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_18);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_21; lean_object* x_22; size_t x_23; size_t x_24; lean_object* x_25; 
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_array_get_size(x_2);
-x_23 = lean_usize_of_nat(x_22);
-lean_dec(x_22);
-x_24 = 0;
+lean_object* x_20; lean_object* x_21; size_t x_22; size_t x_23; lean_object* x_24; 
+x_20 = lean_ctor_get(x_19, 1);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = lean_array_get_size(x_2);
+x_22 = lean_usize_of_nat(x_21);
+lean_dec(x_21);
+x_23 = 0;
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -8394,692 +9520,49 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_25 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__1(x_23, x_24, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
-if (lean_obj_tag(x_25) == 0)
+lean_inc(x_2);
+x_24 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__1(x_22, x_23, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_212; 
-x_26 = lean_ctor_get(x_25, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
-x_27 = lean_ctor_get(x_25, 1);
-lean_inc(x_27);
+lean_dec(x_24);
+x_27 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__2;
+x_28 = lean_name_eq(x_13, x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; 
+lean_dec(x_2);
+x_29 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2(x_13, x_17, x_23, x_25, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_26);
+return x_29;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; size_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_30 = l_Array_zip___rarg(x_2, x_25);
 lean_dec(x_25);
-x_212 = lean_ctor_get(x_18, 1);
-lean_inc(x_212);
-if (lean_obj_tag(x_212) == 0)
-{
-lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; uint8_t x_218; 
-lean_dec(x_18);
-x_213 = l_Array_unzip___rarg(x_26);
-lean_dec(x_26);
-x_214 = lean_ctor_get(x_213, 0);
-lean_inc(x_214);
-x_215 = lean_ctor_get(x_213, 1);
-lean_inc(x_215);
-lean_dec(x_213);
-x_216 = lean_array_get_size(x_215);
-x_217 = lean_unsigned_to_nat(0u);
-x_218 = lean_nat_dec_lt(x_217, x_216);
-if (x_218 == 0)
-{
-lean_dec(x_216);
-lean_dec(x_215);
-x_28 = x_214;
-x_29 = x_217;
-goto block_211;
-}
-else
-{
-uint8_t x_219; 
-x_219 = lean_nat_dec_le(x_216, x_216);
-if (x_219 == 0)
-{
-lean_dec(x_216);
-lean_dec(x_215);
-x_28 = x_214;
-x_29 = x_217;
-goto block_211;
-}
-else
-{
-size_t x_220; lean_object* x_221; 
-x_220 = lean_usize_of_nat(x_216);
-lean_dec(x_216);
-x_221 = l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_toParserDescr_processAlias___spec__3(x_215, x_24, x_220, x_217);
-lean_dec(x_215);
-x_28 = x_214;
-x_29 = x_221;
-goto block_211;
-}
-}
-}
-else
-{
-uint8_t x_222; 
-x_222 = lean_ctor_get_uint8(x_18, sizeof(void*)*2);
-lean_dec(x_18);
-if (x_222 == 0)
-{
-lean_object* x_223; lean_object* x_224; size_t x_225; lean_object* x_226; 
-x_223 = lean_ctor_get(x_212, 0);
-lean_inc(x_223);
-lean_dec(x_212);
-x_224 = lean_array_get_size(x_26);
-x_225 = lean_usize_of_nat(x_224);
-lean_dec(x_224);
-x_226 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__4(x_225, x_24, x_26);
-x_28 = x_226;
-x_29 = x_223;
-goto block_211;
-}
-else
-{
-lean_object* x_227; lean_object* x_228; size_t x_229; lean_object* x_230; 
-x_227 = lean_ctor_get(x_212, 0);
-lean_inc(x_227);
-lean_dec(x_212);
-x_228 = lean_array_get_size(x_26);
-x_229 = lean_usize_of_nat(x_228);
-lean_dec(x_228);
-x_230 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__5(x_229, x_24, x_26);
-x_28 = x_230;
-x_29 = x_227;
-goto block_211;
-}
-}
-block_211:
-{
-lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_30 = lean_array_get_size(x_28);
-x_31 = lean_unsigned_to_nat(0u);
-x_32 = lean_nat_dec_eq(x_30, x_31);
-if (x_32 == 0)
-{
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_unsigned_to_nat(1u);
-x_34 = lean_nat_dec_eq(x_30, x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_unsigned_to_nat(2u);
-x_36 = lean_nat_dec_eq(x_30, x_35);
-lean_dec(x_30);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; 
-lean_dec(x_28);
-lean_dec(x_16);
-lean_dec(x_13);
-x_37 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__4;
-lean_inc(x_10);
+lean_dec(x_2);
+x_31 = lean_array_get_size(x_30);
+x_32 = lean_usize_of_nat(x_31);
+lean_dec(x_31);
 lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_38 = l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2(x_37, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_27);
-if (lean_obj_tag(x_38) == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_41;
-}
-else
-{
-uint8_t x_42; 
-lean_dec(x_29);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_42 = !lean_is_exclusive(x_38);
-if (x_42 == 0)
-{
-return x_38;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_38, 0);
-x_44 = lean_ctor_get(x_38, 1);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_38);
-x_45 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
-}
-}
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_46 = lean_array_fget(x_28, x_31);
-x_47 = lean_array_fget(x_28, x_33);
-lean_dec(x_28);
-x_48 = lean_st_ref_get(x_10, x_27);
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
-lean_dec(x_48);
-lean_inc(x_13);
-x_50 = l_Lean_Parser_ensureBinaryParserAlias(x_13, x_49);
-if (lean_obj_tag(x_50) == 0)
-{
-lean_object* x_51; uint8_t x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_51 = lean_ctor_get(x_50, 1);
-lean_inc(x_51);
-lean_dec(x_50);
-x_52 = 0;
-x_53 = l_Lean_SourceInfo_fromRef(x_16, x_52);
-x_54 = lean_ctor_get(x_9, 10);
-lean_inc(x_54);
-x_55 = lean_st_ref_get(x_10, x_51);
-x_56 = lean_ctor_get(x_55, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 1);
-lean_inc(x_57);
-lean_dec(x_55);
-x_58 = lean_ctor_get(x_56, 0);
-lean_inc(x_58);
-lean_dec(x_56);
-x_59 = lean_environment_main_module(x_58);
-x_60 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__10;
-x_61 = l_Lean_addMacroScope(x_59, x_60, x_54);
-x_62 = lean_box(0);
-x_63 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__7;
-x_64 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__15;
-lean_inc(x_53);
-x_65 = lean_alloc_ctor(3, 4, 0);
-lean_ctor_set(x_65, 0, x_53);
-lean_ctor_set(x_65, 1, x_63);
-lean_ctor_set(x_65, 2, x_61);
-lean_ctor_set(x_65, 3, x_64);
-lean_inc(x_13);
-x_66 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_62, x_13);
-if (lean_obj_tag(x_66) == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_67 = l_Lean_quoteNameMk(x_13);
-x_68 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_53);
-x_69 = l_Lean_Syntax_node3(x_53, x_68, x_67, x_46, x_47);
-x_70 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_71 = l_Lean_Syntax_node2(x_53, x_70, x_65, x_69);
-x_72 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_71, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_57);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_72;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-lean_dec(x_13);
-x_73 = lean_ctor_get(x_66, 0);
-lean_inc(x_73);
-lean_dec(x_66);
-x_74 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
-x_75 = l_String_intercalate(x_74, x_73);
-x_76 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
-x_77 = lean_string_append(x_76, x_75);
-lean_dec(x_75);
-x_78 = lean_box(2);
-x_79 = l_Lean_Syntax_mkNameLit(x_77, x_78);
-x_80 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
-x_81 = lean_array_push(x_80, x_79);
-x_82 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
-x_83 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_83, 0, x_78);
-lean_ctor_set(x_83, 1, x_82);
-lean_ctor_set(x_83, 2, x_81);
-x_84 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_53);
-x_85 = l_Lean_Syntax_node3(x_53, x_84, x_83, x_46, x_47);
-x_86 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_87 = l_Lean_Syntax_node2(x_53, x_86, x_65, x_85);
-x_88 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_87, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_57);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_88;
+x_33 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6(x_32, x_23, x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_26);
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_33, 1);
+lean_inc(x_35);
+lean_dec(x_33);
+x_36 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2(x_13, x_17, x_23, x_34, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_35);
+return x_36;
 }
 }
 else
 {
-uint8_t x_89; 
-lean_dec(x_47);
-lean_dec(x_46);
-lean_dec(x_29);
-lean_dec(x_13);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_89 = !lean_is_exclusive(x_50);
-if (x_89 == 0)
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_90 = lean_ctor_get(x_50, 0);
-x_91 = lean_io_error_to_string(x_90);
-x_92 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_92, 0, x_91);
-x_93 = lean_alloc_ctor(0, 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_16);
-lean_ctor_set(x_94, 1, x_93);
-lean_ctor_set(x_50, 0, x_94);
-return x_50;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_95 = lean_ctor_get(x_50, 0);
-x_96 = lean_ctor_get(x_50, 1);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_dec(x_50);
-x_97 = lean_io_error_to_string(x_95);
-x_98 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_98, 0, x_97);
-x_99 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_99, 0, x_98);
-x_100 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_100, 0, x_16);
-lean_ctor_set(x_100, 1, x_99);
-x_101 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_101, 0, x_100);
-lean_ctor_set(x_101, 1, x_96);
-return x_101;
-}
-}
-}
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-lean_dec(x_30);
-x_102 = lean_array_fget(x_28, x_31);
-lean_dec(x_28);
-x_103 = lean_st_ref_get(x_10, x_27);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-lean_dec(x_103);
-lean_inc(x_13);
-x_105 = l_Lean_Parser_ensureUnaryParserAlias(x_13, x_104);
-if (lean_obj_tag(x_105) == 0)
-{
-lean_object* x_106; uint8_t x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_107 = 0;
-x_108 = l_Lean_SourceInfo_fromRef(x_16, x_107);
-x_109 = lean_ctor_get(x_9, 10);
-lean_inc(x_109);
-x_110 = lean_st_ref_get(x_10, x_106);
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-lean_dec(x_110);
-x_113 = lean_ctor_get(x_111, 0);
-lean_inc(x_113);
-lean_dec(x_111);
-x_114 = lean_environment_main_module(x_113);
-x_115 = l_Lean_Elab_Term_ensureUnaryOutput___closed__7;
-x_116 = l_Lean_addMacroScope(x_114, x_115, x_109);
-x_117 = lean_box(0);
-x_118 = l_Lean_Elab_Term_ensureUnaryOutput___closed__5;
-x_119 = l_Lean_Elab_Term_ensureUnaryOutput___closed__13;
-lean_inc(x_108);
-x_120 = lean_alloc_ctor(3, 4, 0);
-lean_ctor_set(x_120, 0, x_108);
-lean_ctor_set(x_120, 1, x_118);
-lean_ctor_set(x_120, 2, x_116);
-lean_ctor_set(x_120, 3, x_119);
-lean_inc(x_13);
-x_121 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_117, x_13);
-if (lean_obj_tag(x_121) == 0)
-{
-lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_122 = l_Lean_quoteNameMk(x_13);
-x_123 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_108);
-x_124 = l_Lean_Syntax_node2(x_108, x_123, x_122, x_102);
-x_125 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_126 = l_Lean_Syntax_node2(x_108, x_125, x_120, x_124);
-x_127 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_126, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_112);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_127;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
-lean_dec(x_13);
-x_128 = lean_ctor_get(x_121, 0);
-lean_inc(x_128);
-lean_dec(x_121);
-x_129 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
-x_130 = l_String_intercalate(x_129, x_128);
-x_131 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
-x_132 = lean_string_append(x_131, x_130);
-lean_dec(x_130);
-x_133 = lean_box(2);
-x_134 = l_Lean_Syntax_mkNameLit(x_132, x_133);
-x_135 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
-x_136 = lean_array_push(x_135, x_134);
-x_137 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
-x_138 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_138, 0, x_133);
-lean_ctor_set(x_138, 1, x_137);
-lean_ctor_set(x_138, 2, x_136);
-x_139 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_108);
-x_140 = l_Lean_Syntax_node2(x_108, x_139, x_138, x_102);
-x_141 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_142 = l_Lean_Syntax_node2(x_108, x_141, x_120, x_140);
-x_143 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_142, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_112);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_143;
-}
-}
-else
-{
-uint8_t x_144; 
-lean_dec(x_102);
-lean_dec(x_29);
-lean_dec(x_13);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_144 = !lean_is_exclusive(x_105);
-if (x_144 == 0)
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
-x_145 = lean_ctor_get(x_105, 0);
-x_146 = lean_io_error_to_string(x_145);
-x_147 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_147, 0, x_146);
-x_148 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_148, 0, x_147);
-x_149 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_149, 0, x_16);
-lean_ctor_set(x_149, 1, x_148);
-lean_ctor_set(x_105, 0, x_149);
-return x_105;
-}
-else
-{
-lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
-x_150 = lean_ctor_get(x_105, 0);
-x_151 = lean_ctor_get(x_105, 1);
-lean_inc(x_151);
-lean_inc(x_150);
-lean_dec(x_105);
-x_152 = lean_io_error_to_string(x_150);
-x_153 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_153, 0, x_152);
-x_154 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_154, 0, x_153);
-x_155 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_155, 0, x_16);
-lean_ctor_set(x_155, 1, x_154);
-x_156 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_156, 0, x_155);
-lean_ctor_set(x_156, 1, x_151);
-return x_156;
-}
-}
-}
-}
-else
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-lean_dec(x_30);
-lean_dec(x_28);
-x_157 = lean_st_ref_get(x_10, x_27);
-x_158 = lean_ctor_get(x_157, 1);
-lean_inc(x_158);
-lean_dec(x_157);
-lean_inc(x_13);
-x_159 = l_Lean_Parser_ensureConstantParserAlias(x_13, x_158);
-if (lean_obj_tag(x_159) == 0)
-{
-lean_object* x_160; uint8_t x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; 
-x_160 = lean_ctor_get(x_159, 1);
-lean_inc(x_160);
-lean_dec(x_159);
-x_161 = 0;
-x_162 = l_Lean_SourceInfo_fromRef(x_16, x_161);
-x_163 = lean_ctor_get(x_9, 10);
-lean_inc(x_163);
-x_164 = lean_st_ref_get(x_10, x_160);
-x_165 = lean_ctor_get(x_164, 0);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_164, 1);
-lean_inc(x_166);
-lean_dec(x_164);
-x_167 = lean_ctor_get(x_165, 0);
-lean_inc(x_167);
-lean_dec(x_165);
-x_168 = lean_environment_main_module(x_167);
-x_169 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__8;
-x_170 = l_Lean_addMacroScope(x_168, x_169, x_163);
-x_171 = lean_box(0);
-x_172 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__6;
-x_173 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__13;
-lean_inc(x_162);
-x_174 = lean_alloc_ctor(3, 4, 0);
-lean_ctor_set(x_174, 0, x_162);
-lean_ctor_set(x_174, 1, x_172);
-lean_ctor_set(x_174, 2, x_170);
-lean_ctor_set(x_174, 3, x_173);
-lean_inc(x_13);
-x_175 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_171, x_13);
-if (lean_obj_tag(x_175) == 0)
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_176 = l_Lean_quoteNameMk(x_13);
-x_177 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_162);
-x_178 = l_Lean_Syntax_node1(x_162, x_177, x_176);
-x_179 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_180 = l_Lean_Syntax_node2(x_162, x_179, x_174, x_178);
-x_181 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_180, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_166);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_181;
-}
-else
-{
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-lean_dec(x_13);
-x_182 = lean_ctor_get(x_175, 0);
-lean_inc(x_182);
-lean_dec(x_175);
-x_183 = l_Lean_Elab_Term_ensureUnaryOutput___closed__19;
-x_184 = l_String_intercalate(x_183, x_182);
-x_185 = l_Lean_Elab_Term_ensureUnaryOutput___closed__20;
-x_186 = lean_string_append(x_185, x_184);
-lean_dec(x_184);
-x_187 = lean_box(2);
-x_188 = l_Lean_Syntax_mkNameLit(x_186, x_187);
-x_189 = l_Lean_Elab_Term_ensureUnaryOutput___closed__21;
-x_190 = lean_array_push(x_189, x_188);
-x_191 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__19;
-x_192 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_192, 0, x_187);
-lean_ctor_set(x_192, 1, x_191);
-lean_ctor_set(x_192, 2, x_190);
-x_193 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__17;
-lean_inc(x_162);
-x_194 = l_Lean_Syntax_node1(x_162, x_193, x_192);
-x_195 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__5;
-x_196 = l_Lean_Syntax_node2(x_162, x_195, x_174, x_194);
-x_197 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1(x_29, x_196, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_166);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_197;
-}
-}
-else
-{
-uint8_t x_198; 
-lean_dec(x_29);
-lean_dec(x_13);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_198 = !lean_is_exclusive(x_159);
-if (x_198 == 0)
-{
-lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_199 = lean_ctor_get(x_159, 0);
-x_200 = lean_io_error_to_string(x_199);
-x_201 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_201, 0, x_200);
-x_202 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_202, 0, x_201);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_16);
-lean_ctor_set(x_203, 1, x_202);
-lean_ctor_set(x_159, 0, x_203);
-return x_159;
-}
-else
-{
-lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; 
-x_204 = lean_ctor_get(x_159, 0);
-x_205 = lean_ctor_get(x_159, 1);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_159);
-x_206 = lean_io_error_to_string(x_204);
-x_207 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_207, 0, x_206);
-x_208 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_208, 0, x_207);
-x_209 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_209, 0, x_16);
-lean_ctor_set(x_209, 1, x_208);
-x_210 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_205);
-return x_210;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_231; 
-lean_dec(x_18);
-lean_dec(x_16);
-lean_dec(x_13);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_231 = !lean_is_exclusive(x_25);
-if (x_231 == 0)
-{
-return x_25;
-}
-else
-{
-lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_232 = lean_ctor_get(x_25, 0);
-x_233 = lean_ctor_get(x_25, 1);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_dec(x_25);
-x_234 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_234, 0, x_232);
-lean_ctor_set(x_234, 1, x_233);
-return x_234;
-}
-}
-}
-else
-{
-uint8_t x_235; 
-lean_dec(x_18);
-lean_dec(x_16);
+uint8_t x_37; 
+lean_dec(x_17);
 lean_dec(x_13);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -9090,23 +9573,57 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_235 = !lean_is_exclusive(x_20);
-if (x_235 == 0)
+x_37 = !lean_is_exclusive(x_24);
+if (x_37 == 0)
 {
-return x_20;
+return x_24;
 }
 else
 {
-lean_object* x_236; lean_object* x_237; lean_object* x_238; 
-x_236 = lean_ctor_get(x_20, 0);
-x_237 = lean_ctor_get(x_20, 1);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_dec(x_20);
-x_238 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_238, 0, x_236);
-lean_ctor_set(x_238, 1, x_237);
-return x_238;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_24, 0);
+x_39 = lean_ctor_get(x_24, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_24);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
+lean_dec(x_17);
+lean_dec(x_13);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_41 = !lean_is_exclusive(x_19);
+if (x_41 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_19, 0);
+x_43 = lean_ctor_get(x_19, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_19);
+x_44 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_44, 0, x_42);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
 }
 }
 }
@@ -10353,6 +10870,41 @@ x_6 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___sp
 return x_6;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+size_t x_13; size_t x_14; lean_object* x_15; 
+x_13 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_14 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_15 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6(x_13, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_15;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
@@ -10369,6 +10921,16 @@ lean_dec(x_3);
 return x_12;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+size_t x_14; lean_object* x_15; 
+x_14 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_15 = l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2(x_1, x_2, x_14, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_15;
+}
+}
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at_Lean_Elab_Term_toParserDescr_processSeq___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
@@ -11169,38 +11731,20 @@ static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_decl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("str", 3);
+x_1 = lean_mk_string_from_bytes("Lean.ParserDescr.cat", 20);
 return x_1;
 }
 }
 static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__66() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__65;
-x_3 = l_Lean_Name_str___override(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__67() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Lean.ParserDescr.cat", 20);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__68() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__67;
+x_1 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__65;
 x_2 = l_String_toSubstring_x27(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__69() {
+static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__67() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -11212,11 +11756,11 @@ lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70() {
+static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__68() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__69;
+x_1 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__67;
 x_2 = l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__7;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -11224,7 +11768,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71() {
+static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__69() {
 _start:
 {
 lean_object* x_1; 
@@ -11232,7 +11776,7 @@ x_1 = lean_mk_string_from_bytes("0", 1);
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72() {
+static lean_object* _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70() {
 _start:
 {
 lean_object* x_1; 
@@ -11460,8 +12004,8 @@ lean_inc(x_16);
 x_107 = l_Lean_Syntax_node3(x_16, x_106, x_83, x_103, x_105);
 x_108 = l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__4;
 x_109 = l_Lean_addMacroScope(x_21, x_108, x_18);
-x_110 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__68;
-x_111 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70;
+x_110 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__66;
+x_111 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__68;
 lean_inc(x_16);
 x_112 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_112, 0, x_16);
@@ -11470,7 +12014,7 @@ lean_ctor_set(x_112, 2, x_109);
 lean_ctor_set(x_112, 3, x_111);
 lean_inc(x_1);
 x_113 = l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(x_32, x_1);
-x_114 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71;
+x_114 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__69;
 lean_inc(x_16);
 x_115 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_115, 0, x_16);
@@ -11478,12 +12022,12 @@ lean_ctor_set(x_115, 1, x_114);
 x_116 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__54;
 lean_inc(x_16);
 x_117 = l_Lean_Syntax_node1(x_16, x_116, x_115);
-x_118 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72;
+x_118 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70;
 lean_inc(x_16);
 x_119 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_119, 0, x_16);
 lean_ctor_set(x_119, 1, x_118);
-x_120 = l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__66;
+x_120 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2;
 lean_inc(x_16);
 x_121 = l_Lean_Syntax_node1(x_16, x_120, x_119);
 lean_inc(x_16);
@@ -12410,7 +12954,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(275u);
 x_2 = lean_unsigned_to_nat(34u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -12422,7 +12966,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(278u);
+x_1 = lean_unsigned_to_nat(290u);
 x_2 = lean_unsigned_to_nat(17u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -12450,7 +12994,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(275u);
 x_2 = lean_unsigned_to_nat(38u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -12462,7 +13006,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(275u);
 x_2 = lean_unsigned_to_nat(58u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15956,7 +16500,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(348u);
 x_2 = lean_unsigned_to_nat(33u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15968,7 +16512,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(381u);
 x_2 = lean_unsigned_to_nat(43u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15996,7 +16540,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(348u);
 x_2 = lean_unsigned_to_nat(37u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16008,7 +16552,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(348u);
 x_2 = lean_unsigned_to_nat(47u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16090,89 +16634,21 @@ return x_3;
 static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__3() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("ParserDescr.nodeWithAntiquot", 28);
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set(x_3, 1, x_1);
+return x_3;
 }
 }
 static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__3;
-x_2 = l_String_toSubstring_x27(x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("nodeWithAntiquot", 16);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
-x_2 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5;
-x_3 = l_Lean_Name_mkStr2(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__1;
-x_2 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__8;
-x_3 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5;
-x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
-return x_4;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7;
-x_3 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_3, 0, x_2);
-lean_ctor_set(x_3, 1, x_1);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9;
-x_3 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_3, 0, x_2);
-lean_ctor_set(x_3, 1, x_1);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8;
-x_2 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10;
+x_2 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -16322,10 +16798,10 @@ lean_inc(x_34);
 x_62 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_62, 0, x_34);
 lean_ctor_set(x_62, 1, x_61);
-x_63 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6;
+x_63 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4;
 x_64 = l_Lean_addMacroScope(x_39, x_63, x_36);
-x_65 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4;
-x_66 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11;
+x_65 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2;
+x_66 = l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4;
 lean_inc(x_34);
 x_67 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_67, 0, x_34);
@@ -16627,7 +17103,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(371u);
+x_1 = lean_unsigned_to_nat(383u);
 x_2 = lean_unsigned_to_nat(39u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16639,7 +17115,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(377u);
+x_1 = lean_unsigned_to_nat(389u);
 x_2 = lean_unsigned_to_nat(49u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16667,7 +17143,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(371u);
+x_1 = lean_unsigned_to_nat(383u);
 x_2 = lean_unsigned_to_nat(43u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16679,7 +17155,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(371u);
+x_1 = lean_unsigned_to_nat(383u);
 x_2 = lean_unsigned_to_nat(59u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17822,7 +18298,7 @@ lean_dec(x_2);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1() {
+static lean_object* _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -17832,11 +18308,11 @@ x_3 = l_Lean_Name_mkStr2(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1;
+x_2 = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1;
 x_3 = 0;
 x_4 = l_Lean_registerTraceClass(x_2, x_3, x_1);
 return x_4;
@@ -18175,32 +18651,62 @@ l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__2 = _
 lean_mark_persistent(l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__2);
 l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__3 = _init_l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__3();
 lean_mark_persistent(l_panic___at_Lean_Elab_Term_toParserDescr_processAlias___spec__2___closed__3);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__1);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__2);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__3);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__4);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__5);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__6);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__7);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__8);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__9);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__10);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___lambda__1___closed__11);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__1);
+l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2 = _init_l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2();
+lean_mark_persistent(l_Array_mapMUnsafe_map___at_Lean_Elab_Term_toParserDescr_processAlias___spec__6___closed__2);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__1);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__2);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__3);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__4);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__5);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__6);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__7);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__8);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__9);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__10);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__11);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__12);
+l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13();
+lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___lambda__2___closed__13);
 l_Lean_Elab_Term_toParserDescr_processAlias___closed__1 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__1);
 l_Lean_Elab_Term_toParserDescr_processAlias___closed__2 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__2);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__3 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__3);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__4 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__4);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__5 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__5();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__5);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__6 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__6();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__6);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__7 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__7();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__7);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__8 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__8();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__8);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__9 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__9();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__9);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__10 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__10();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__10);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__11 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__11();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__11);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__12 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__12();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__12);
-l_Lean_Elab_Term_toParserDescr_processAlias___closed__13 = _init_l_Lean_Elab_Term_toParserDescr_processAlias___closed__13();
-lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processAlias___closed__13);
 l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__1 = _init_l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__1);
 l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__2 = _init_l_Lean_Elab_Term_toParserDescr_processNullaryOrCat___closed__2();
@@ -18367,10 +18873,6 @@ l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___c
 lean_mark_persistent(l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__69);
 l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70 = _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70();
 lean_mark_persistent(l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__70);
-l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71 = _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71();
-lean_mark_persistent(l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__71);
-l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72 = _init_l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72();
-lean_mark_persistent(l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyntaxCatQuotParser___closed__72);
 l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__1 = _init_l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__1();
 lean_mark_persistent(l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__1);
 l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__2 = _init_l_Lean_Elab_Command_elabDeclareSyntaxCat___closed__2();
@@ -18559,20 +19061,6 @@ l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__3 = _init_l_Lean_Elab
 lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__3);
 l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4();
 lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__4);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__5);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__6);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__7);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__8);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__9);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__10);
-l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11();
-lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___lambda__2___closed__11);
 l_Lean_Elab_Command_elabSyntaxAbbrev___closed__1 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___closed__1();
 lean_mark_persistent(l_Lean_Elab_Command_elabSyntaxAbbrev___closed__1);
 l_Lean_Elab_Command_elabSyntaxAbbrev___closed__2 = _init_l_Lean_Elab_Command_elabSyntaxAbbrev___closed__2();
@@ -18623,9 +19111,9 @@ l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__5 = _init_l_
 lean_mark_persistent(l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__5);
 l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6 = _init_l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6();
 lean_mark_persistent(l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6);
-l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1 = _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1();
-lean_mark_persistent(l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268____closed__1);
-res = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12268_(lean_io_mk_world());
+l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1 = _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1();
+lean_mark_persistent(l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717____closed__1);
+res = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_12717_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/SyntheticMVars.c b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
index 63df3e9721..92841e2fbe 100644
--- a/stage0/stdlib/Lean/Elab/SyntheticMVars.c
+++ b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
@@ -90,6 +90,7 @@ lean_object* l_Lean_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignmen
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_processPostponedUniverseContraints(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_right(size_t, size_t);
@@ -115,7 +116,6 @@ lean_object* l_Lean_Elab_Term_ensureHasType(lean_object*, lean_object*, lean_obj
 static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeSomeUsingDefault_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -162,7 +162,6 @@ lean_object* l_Lean_Elab_Term_getSyntheticMVarDecl_x3f(lean_object*, lean_object
 lean_object* l_Lean_MVarId_admit(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PersistentArray_get_x21___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_RBNode_setBlack___rarg(lean_object*);
 extern lean_object* l_Lean_Level_instHashableLevel;
 lean_object* l_Lean_Elab_Tactic_mkInitialTacticInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3535,7 +3534,7 @@ return x_39;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
@@ -3593,142 +3592,20 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_inc(x_1);
-x_10 = lean_alloc_closure((void*)(l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2___lambda__1), 9, 2);
-lean_closure_set(x_10, 0, x_1);
-lean_closure_set(x_10, 1, x_2);
-x_11 = l_Lean_Elab_Term_saveState___rarg(x_4, x_5, x_6, x_7, x_8, x_9);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_14 = l_Lean_MVarId_withContext___at_Lean_Elab_Tactic_run___spec__1___rarg(x_1, x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; uint8_t x_16; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_unbox(x_15);
-lean_dec(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; uint8_t x_18; lean_object* x_19; uint8_t x_20; 
-x_17 = lean_ctor_get(x_14, 1);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = 0;
-x_19 = l_Lean_Elab_Term_SavedState_restore(x_12, x_18, x_3, x_4, x_5, x_6, x_7, x_8, x_17);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; lean_object* x_22; 
-x_21 = lean_ctor_get(x_19, 0);
-lean_dec(x_21);
-x_22 = lean_box(x_18);
-lean_ctor_set(x_19, 0, x_22);
-return x_19;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_19, 1);
-lean_inc(x_23);
-lean_dec(x_19);
-x_24 = lean_box(x_18);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_23);
-return x_25;
-}
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_12);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_26 = !lean_is_exclusive(x_14);
-if (x_26 == 0)
-{
-lean_object* x_27; uint8_t x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_14, 0);
-lean_dec(x_27);
-x_28 = 1;
-x_29 = lean_box(x_28);
-lean_ctor_set(x_14, 0, x_29);
-return x_14;
-}
-else
-{
-lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_14, 1);
-lean_inc(x_30);
-lean_dec(x_14);
-x_31 = 1;
-x_32 = lean_box(x_31);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-}
-}
-else
-{
-lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; uint8_t x_38; 
-x_34 = lean_ctor_get(x_14, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_14, 1);
-lean_inc(x_35);
-lean_dec(x_14);
-x_36 = 0;
-x_37 = l_Lean_Elab_Term_SavedState_restore(x_12, x_36, x_3, x_4, x_5, x_6, x_7, x_8, x_35);
-x_38 = !lean_is_exclusive(x_37);
-if (x_38 == 0)
-{
-lean_object* x_39; 
-x_39 = lean_ctor_get(x_37, 0);
-lean_dec(x_39);
-lean_ctor_set_tag(x_37, 1);
-lean_ctor_set(x_37, 0, x_34);
-return x_37;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_34);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_9 = lean_box(0);
-x_10 = l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2(x_1, x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-return x_10;
+lean_inc(x_1);
+x_10 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___lambda__1), 9, 2);
+lean_closure_set(x_10, 0, x_1);
+lean_closure_set(x_10, 1, x_9);
+x_11 = lean_alloc_closure((void*)(l_Lean_MVarId_withContext___at_Lean_Elab_Tactic_run___spec__1___rarg), 9, 2);
+lean_closure_set(x_11, 0, x_1);
+lean_closure_set(x_11, 1, x_10);
+x_12 = l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1(x_11, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_12;
 }
 }
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingInstancesStep___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c b/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
index 05f7014aa6..949d45c55b 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
@@ -15,6 +15,7 @@ extern "C" {
 #endif
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducibleAndInstances___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalApplyLikeTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalApplyLikeTactic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSpecialize_declRange___closed__2;
 size_t lean_usize_add(size_t, size_t);
@@ -61,7 +62,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_closeMainGoalUsing___lambda__1(lean_
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducibleAndInstances___closed__3;
 uint8_t l_Lean_MetavarKind_isNatural(uint8_t);
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Tactic_getMainTarget___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_ElabTerm_0__Lean_Elab_Tactic_mkNativeAuxDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -70,6 +70,7 @@ LEAN_EXPORT lean_object* l_Array_qsort_sort___at_Lean_Elab_Tactic_withCollecting
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_refineCore___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Tactic_evalExact___spec__1___rarg(lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_withCollectingNewGoalsFrom_go___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_refineCore___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27_declRange___closed__3;
@@ -117,6 +118,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_sortMVarIdArrayByIndex___rarg___lamb
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalNativeDecide___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_filterOldMVars___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabAsFVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalApply(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalNativeDecide___rarg___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Tactic_evalExact___spec__1___rarg___closed__1;
@@ -124,7 +126,6 @@ lean_object* l_Lean_Elab_Term_mkAuxName(lean_object*, lean_object*, lean_object*
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide___closed__5;
 static lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__1___closed__4;
 lean_object* l_Array_qpartition_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_sortMVarIdsByIndex___at_Lean_Elab_Tactic_withCollectingNewGoalsFrom_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -136,6 +137,7 @@ lean_object* l_Lean_Meta_zetaReduce___lambda__2___boxed(lean_object*, lean_objec
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalConstructor___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_getFVarId___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__1___closed__3;
+static lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__1___closed__5;
 lean_object* l_Lean_Meta_mkDecide(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -144,7 +146,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalExact___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSpecialize_declRange___closed__5;
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_getFVarId___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Elab_Tactic_evalRename___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide_declRange___closed__5;
@@ -155,14 +156,13 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_refineCore___lambda__4(lean_object*,
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27_declRange___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_filterOldMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalSpecialize___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible_declRange___closed__4;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_withCollectingNewGoalsFrom_go___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_declRange___closed__1;
 lean_object* l_Lean_Meta_intro1Core(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithUnfoldingAll_declRange___closed__2;
 static lean_object* l_Lean_Elab_Tactic_evalNativeDecide___rarg___lambda__1___closed__7;
-static lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalNativeDecide_declRange___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTermWithHoles(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
@@ -199,6 +199,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Tacti
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalExact___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalConstructor___boxed(lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4;
 lean_object* l_Lean_MVarId_getKind(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
@@ -211,7 +212,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide_declRange___close
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible___closed__1;
 lean_object* l_Lean_Elab_Tactic_getMainTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalExact___closed__1;
-static lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__1___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalApply___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevMAux___at_Lean_Elab_Tactic_evalRename___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -311,7 +311,6 @@ extern lean_object* l_Lean_instInhabitedMVarId;
 static lean_object* l_Lean_Elab_Tactic_filterOldMVars___closed__1;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalExact___closed__1;
-static lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_findSomeRevM_x3f___at_Lean_Elab_Tactic_evalRename___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalApply___closed__3;
 static lean_object* l_Lean_Elab_Tactic_evalNativeDecide___rarg___lambda__1___closed__4;
@@ -419,7 +418,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_withCol
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine___closed__1;
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_findDeclRevM_x3f___at_Lean_Elab_Tactic_evalRename___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_getFVarId___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducibleAndInstances(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_refineCore___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -463,6 +461,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_closeMainGoalUsing___lambda__1___box
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide_declRange___closed__2;
 static lean_object* l_Lean_Elab_Tactic_getFVarId___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_refineCore(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithUnfoldingAll___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalExact(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27_declRange___closed__7;
@@ -10468,7 +10467,7 @@ return x_30;
 }
 }
 }
-static lean_object* _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -10476,16 +10475,16 @@ x_1 = lean_mk_string_from_bytes("failed to find a hypothesis with type", 37);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1;
+x_1 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3() {
+static lean_object* _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -10493,16 +10492,16 @@ x_1 = lean_mk_string_from_bytes("", 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4() {
+static lean_object* _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3;
+x_1 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 uint8_t x_12; lean_object* x_13; 
@@ -10546,11 +10545,11 @@ x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
 lean_dec(x_17);
 x_20 = l_Lean_indentExpr(x_14);
-x_21 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2;
+x_21 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2;
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_20);
-x_23 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
+x_23 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4;
 x_24 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_24, 0, x_22);
 lean_ctor_set(x_24, 1, x_23);
@@ -10669,21 +10668,10 @@ return x_39;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_12 = lean_alloc_closure((void*)(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1), 11, 2);
-lean_closure_set(x_12, 0, x_1);
-lean_closure_set(x_12, 1, x_2);
-x_13 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_withoutRecover___rarg), 10, 1);
-lean_closure_set(x_13, 0, x_12);
-x_14 = l_Lean_Elab_Tactic_saveState___rarg(x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
+lean_object* x_12; 
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -10692,98 +10680,15 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_17 = l_Lean_Meta_withNewMCtxDepth___at_Lean_Elab_Tactic_evalRename___spec__7___rarg(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_16);
-if (lean_obj_tag(x_17) == 0)
+x_12 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8(x_1, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; uint8_t x_22; 
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
-lean_dec(x_17);
-x_20 = 0;
-x_21 = l_Lean_Elab_Tactic_SavedState_restore(x_15, x_20, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
-lean_dec(x_4);
-lean_dec(x_3);
-x_22 = !lean_is_exclusive(x_21);
-if (x_22 == 0)
-{
-lean_object* x_23; 
-x_23 = lean_ctor_get(x_21, 0);
-lean_dec(x_23);
-lean_ctor_set(x_21, 0, x_18);
-return x_21;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_21, 1);
-lean_inc(x_24);
-lean_dec(x_21);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_18);
-lean_ctor_set(x_25, 1, x_24);
-return x_25;
-}
-}
-else
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; uint8_t x_30; 
-x_26 = lean_ctor_get(x_17, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_17, 1);
-lean_inc(x_27);
-lean_dec(x_17);
-x_28 = 0;
-x_29 = l_Lean_Elab_Tactic_SavedState_restore(x_15, x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_27);
-lean_dec(x_4);
-lean_dec(x_3);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
-{
-lean_object* x_31; 
-x_31 = lean_ctor_get(x_29, 0);
-lean_dec(x_31);
-lean_ctor_set_tag(x_29, 1);
-lean_ctor_set(x_29, 0, x_26);
-return x_29;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; 
-x_32 = lean_ctor_get(x_29, 1);
-lean_inc(x_32);
-lean_dec(x_29);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_26);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; 
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_13 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9(x_1, x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_13, 0);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
 lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-lean_inc(x_11);
+lean_dec(x_12);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -10791,40 +10696,40 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_16 = l_Lean_Elab_Tactic_getMainGoal(x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
-if (lean_obj_tag(x_16) == 0)
+lean_inc(x_3);
+x_15 = l_Lean_Elab_Tactic_getMainGoal(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_17 = lean_ctor_get(x_16, 0);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = l_Lean_Syntax_getId(x_3);
-lean_inc(x_11);
+lean_dec(x_15);
+x_18 = l_Lean_Syntax_getId(x_2);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_20 = l_Lean_MVarId_rename(x_17, x_14, x_19, x_8, x_9, x_10, x_11, x_18);
-if (lean_obj_tag(x_20) == 0)
+lean_inc(x_7);
+x_19 = l_Lean_MVarId_rename(x_16, x_13, x_18, x_7, x_8, x_9, x_10, x_17);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_21 = lean_ctor_get(x_20, 0);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
-x_23 = lean_box(0);
-x_24 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_24, 0, x_21);
-lean_ctor_set(x_24, 1, x_23);
-x_25 = l_Lean_Elab_Tactic_replaceMainGoal(x_24, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_22);
-return x_25;
+lean_dec(x_19);
+x_22 = lean_box(0);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_20);
+lean_ctor_set(x_23, 1, x_22);
+x_24 = l_Lean_Elab_Tactic_replaceMainGoal(x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
+return x_24;
 }
 else
 {
-uint8_t x_26; 
-lean_dec(x_11);
+uint8_t x_25; 
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -10832,86 +10737,87 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_26 = !lean_is_exclusive(x_20);
-if (x_26 == 0)
+lean_dec(x_3);
+x_25 = !lean_is_exclusive(x_19);
+if (x_25 == 0)
 {
-return x_20;
+return x_19;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_20, 0);
-x_28 = lean_ctor_get(x_20, 1);
-lean_inc(x_28);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_19, 0);
+x_27 = lean_ctor_get(x_19, 1);
 lean_inc(x_27);
-lean_dec(x_20);
-x_29 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
+lean_inc(x_26);
+lean_dec(x_19);
+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
 {
-uint8_t x_30; 
-lean_dec(x_14);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_30 = !lean_is_exclusive(x_16);
-if (x_30 == 0)
-{
-return x_16;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_16, 0);
-x_32 = lean_ctor_get(x_16, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_16);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
-}
-}
-}
-else
-{
-uint8_t x_34; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_34 = !lean_is_exclusive(x_13);
-if (x_34 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_13, 0);
-x_36 = lean_ctor_get(x_13, 1);
-lean_inc(x_36);
-lean_inc(x_35);
+uint8_t x_29; 
 lean_dec(x_13);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-return x_37;
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_29 = !lean_is_exclusive(x_15);
+if (x_29 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_15, 0);
+x_31 = lean_ctor_get(x_15, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_15);
+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_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_33 = !lean_is_exclusive(x_12);
+if (x_33 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_12, 0);
+x_35 = lean_ctor_get(x_12, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_12);
+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;
 }
 }
 }
@@ -11005,14 +10911,20 @@ return x_20;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
 x_21 = lean_box(0);
-x_22 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalRename___lambda__1___boxed), 12, 3);
+x_22 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalRename___lambda__1), 11, 2);
 lean_closure_set(x_22, 0, x_15);
 lean_closure_set(x_22, 1, x_21);
-lean_closure_set(x_22, 2, x_17);
-x_23 = l_Lean_Elab_Tactic_withMainContext___rarg(x_22, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-return x_23;
+x_23 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_withoutRecover___rarg), 10, 1);
+lean_closure_set(x_23, 0, x_22);
+x_24 = lean_alloc_closure((void*)(l_Lean_Meta_withNewMCtxDepth___at_Lean_Elab_Tactic_evalRename___spec__7___rarg), 10, 1);
+lean_closure_set(x_24, 0, x_23);
+x_25 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalRename___lambda__2___boxed), 11, 2);
+lean_closure_set(x_25, 0, x_24);
+lean_closure_set(x_25, 1, x_17);
+x_26 = l_Lean_Elab_Tactic_withMainContext___rarg(x_25, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_26;
 }
 }
 }
@@ -11084,13 +10996,13 @@ lean_dec(x_4);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_13; 
-x_13 = l_Lean_Elab_Tactic_evalRename___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_3);
-return x_13;
+lean_object* x_12; 
+x_12 = l_Lean_Elab_Tactic_evalRename___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_2);
+return x_12;
 }
 }
 static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRename___closed__1() {
@@ -11304,7 +11216,7 @@ x_12 = l___private_Lean_Elab_Tactic_ElabTerm_0__Lean_Elab_Tactic_preprocessPropT
 x_13 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_13, 0, x_12);
 lean_ctor_set(x_13, 1, x_11);
-x_14 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
+x_14 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4;
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_13);
 lean_ctor_set(x_15, 1, x_14);
@@ -11688,7 +11600,7 @@ x_35 = l_Lean_Elab_Tactic_evalDecide___rarg___lambda__2___closed__2;
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_34);
-x_37 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
+x_37 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4;
 x_38 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_38, 0, x_36);
 lean_ctor_set(x_38, 1, x_37);
@@ -11832,7 +11744,7 @@ x_72 = l_Lean_Elab_Tactic_evalDecide___rarg___lambda__2___closed__2;
 x_73 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_73, 0, x_72);
 lean_ctor_set(x_73, 1, x_71);
-x_74 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
+x_74 = l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4;
 x_75 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_75, 0, x_73);
 lean_ctor_set(x_75, 1, x_74);
@@ -13200,14 +13112,14 @@ l_Lean_Elab_Tactic_elabAsFVar___lambda__1___closed__1 = _init_l_Lean_Elab_Tactic
 lean_mark_persistent(l_Lean_Elab_Tactic_elabAsFVar___lambda__1___closed__1);
 l_Lean_Elab_Tactic_elabAsFVar___lambda__1___closed__2 = _init_l_Lean_Elab_Tactic_elabAsFVar___lambda__1___closed__2();
 lean_mark_persistent(l_Lean_Elab_Tactic_elabAsFVar___lambda__1___closed__2);
-l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1 = _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__1);
-l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2 = _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__2);
-l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3 = _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3();
-lean_mark_persistent(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__3);
-l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4 = _init_l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4);
+l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1 = _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalRename___lambda__1___closed__1);
+l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2 = _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalRename___lambda__1___closed__2);
+l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3 = _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalRename___lambda__1___closed__3);
+l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4 = _init_l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalRename___lambda__1___closed__4);
 l_Lean_Elab_Tactic_evalRename___closed__1 = _init_l_Lean_Elab_Tactic_evalRename___closed__1();
 lean_mark_persistent(l_Lean_Elab_Tactic_evalRename___closed__1);
 l_Lean_Elab_Tactic_evalRename___closed__2 = _init_l_Lean_Elab_Tactic_evalRename___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Induction.c b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
index a8d0973056..c7e8531986 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Induction.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
@@ -223,7 +223,6 @@ static lean_object* l_Lean_Elab_Tactic_ElimApp_setMotiveArg___closed__4;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_addNewArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_ElimApp_instInhabitedAlt___closed__1;
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__2___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_generalizeTargets___spec__1(size_t, size_t, lean_object*);
@@ -247,6 +246,7 @@ static lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_g
 lean_object* l_Lean_Meta_mkHasTypeButIsExpectedMsg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_saveAltVarsInfo___lambda__1(lean_object*, uint8_t, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases___closed__2;
 lean_object* l_Lean_Elab_Tactic_closeUsingOrAdmit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_checkAltsOfOptInductionAlts___spec__1___lambda__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4878,223 +4878,183 @@ return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__2___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; lean_object* x_12; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_8, 1);
+uint8_t x_8; lean_object* x_9; 
+x_8 = 0;
+x_9 = l_Lean_Meta_forallMetaBoundedTelescope(x_1, x_2, x_8, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
-lean_dec(x_8);
-x_11 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_12 = l_Lean_Meta_forallMetaBoundedTelescope(x_2, x_1, x_11, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_12) == 0)
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = !lean_is_exclusive(x_9);
+if (x_12 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_13 = lean_ctor_get(x_9, 0);
 lean_dec(x_13);
-x_15 = lean_ctor_get(x_12, 1);
-lean_inc(x_15);
-lean_dec(x_12);
-x_16 = lean_ctor_get(x_14, 0);
-lean_inc(x_16);
+x_14 = lean_ctor_get(x_11, 0);
+lean_inc(x_14);
+lean_dec(x_11);
+x_15 = lean_array_get_size(x_14);
+x_16 = lean_unsigned_to_nat(0u);
+x_17 = lean_nat_dec_lt(x_16, x_15);
+if (x_17 == 0)
+{
+lean_dec(x_15);
 lean_dec(x_14);
-x_17 = lean_array_get_size(x_16);
-x_18 = lean_unsigned_to_nat(0u);
-x_19 = lean_nat_dec_lt(x_18, x_17);
-if (x_19 == 0)
-{
-lean_object* x_20; uint8_t x_21; 
-lean_dec(x_17);
-lean_dec(x_16);
-x_20 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_15);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; 
-x_22 = lean_ctor_get(x_20, 0);
-lean_dec(x_22);
-lean_ctor_set(x_20, 0, x_18);
-return x_20;
+lean_ctor_set(x_9, 0, x_16);
+return x_9;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_20, 1);
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_15, x_15);
+if (x_18 == 0)
+{
+lean_dec(x_15);
+lean_dec(x_14);
+lean_ctor_set(x_9, 0, x_16);
+return x_9;
+}
+else
+{
+size_t x_19; size_t x_20; lean_object* x_21; 
+x_19 = 0;
+x_20 = lean_usize_of_nat(x_15);
+lean_dec(x_15);
+x_21 = l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__1(x_14, x_19, x_20, x_16);
+lean_dec(x_14);
+lean_ctor_set(x_9, 0, x_21);
+return x_9;
+}
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_22 = lean_ctor_get(x_9, 1);
+lean_inc(x_22);
+lean_dec(x_9);
+x_23 = lean_ctor_get(x_11, 0);
 lean_inc(x_23);
-lean_dec(x_20);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_18);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
+lean_dec(x_11);
+x_24 = lean_array_get_size(x_23);
+x_25 = lean_unsigned_to_nat(0u);
+x_26 = lean_nat_dec_lt(x_25, x_24);
+if (x_26 == 0)
+{
+lean_object* x_27; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_22);
+return x_27;
+}
+else
+{
+uint8_t x_28; 
+x_28 = lean_nat_dec_le(x_24, x_24);
+if (x_28 == 0)
+{
+lean_object* x_29; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_25);
+lean_ctor_set(x_29, 1, x_22);
+return x_29;
+}
+else
+{
+size_t x_30; size_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = 0;
+x_31 = lean_usize_of_nat(x_24);
+lean_dec(x_24);
+x_32 = l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__1(x_23, x_30, x_31, x_25);
+lean_dec(x_23);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_22);
+return x_33;
+}
+}
 }
 }
 else
 {
-uint8_t x_25; 
-x_25 = lean_nat_dec_le(x_17, x_17);
-if (x_25 == 0)
+uint8_t x_34; 
+x_34 = !lean_is_exclusive(x_9);
+if (x_34 == 0)
 {
-lean_object* x_26; uint8_t x_27; 
-lean_dec(x_17);
-lean_dec(x_16);
-x_26 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_15);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
+return x_9;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_9, 0);
+x_36 = lean_ctor_get(x_9, 1);
+lean_inc(x_36);
+lean_inc(x_35);
 lean_dec(x_9);
-x_27 = !lean_is_exclusive(x_26);
-if (x_27 == 0)
-{
-lean_object* x_28; 
-x_28 = lean_ctor_get(x_26, 0);
-lean_dec(x_28);
-lean_ctor_set(x_26, 0, x_18);
-return x_26;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_26, 1);
-lean_inc(x_29);
-lean_dec(x_26);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_18);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
-}
-}
-else
-{
-size_t x_31; size_t x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_31 = 0;
-x_32 = lean_usize_of_nat(x_17);
-lean_dec(x_17);
-x_33 = l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__1(x_16, x_31, x_32, x_18);
-lean_dec(x_16);
-x_34 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_15);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_35 = !lean_is_exclusive(x_34);
-if (x_35 == 0)
-{
-lean_object* x_36; 
-x_36 = lean_ctor_get(x_34, 0);
-lean_dec(x_36);
-lean_ctor_set(x_34, 0, x_33);
-return x_34;
-}
-else
-{
-lean_object* x_37; lean_object* x_38; 
-x_37 = lean_ctor_get(x_34, 1);
-lean_inc(x_37);
-lean_dec(x_34);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_33);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
+x_37 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
 }
 }
 }
 }
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-x_39 = lean_ctor_get(x_12, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_12, 1);
-lean_inc(x_40);
-lean_dec(x_12);
-x_41 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_40);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-lean_ctor_set_tag(x_41, 1);
-lean_ctor_set(x_41, 0, x_39);
-return x_41;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_41, 1);
-lean_inc(x_44);
-lean_dec(x_41);
-x_45 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_45, 0, x_39);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
 x_8 = l_Lean_MVarId_getType(x_1, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_8) == 0)
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_withoutModifyingState___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__2___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__3(x_2, x_9, x_3, x_4, x_5, x_6, x_10);
-return x_11;
+x_11 = lean_alloc_closure((void*)(l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__1), 7, 2);
+lean_closure_set(x_11, 0, x_9);
+lean_closure_set(x_11, 1, x_2);
+x_12 = l_Lean_withoutModifyingState___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___spec__2(x_11, x_3, x_4, x_5, x_6, x_10);
+return x_12;
 }
 else
 {
-uint8_t x_12; 
+uint8_t x_13; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_12 = !lean_is_exclusive(x_8);
-if (x_12 == 0)
+x_13 = !lean_is_exclusive(x_8);
+if (x_13 == 0)
 {
 return x_8;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_8, 0);
-x_14 = lean_ctor_get(x_8, 1);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_8, 0);
+x_15 = lean_ctor_get(x_8, 1);
+lean_inc(x_15);
 lean_inc(x_14);
-lean_inc(x_13);
 lean_dec(x_8);
-x_15 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_15, 0, x_13);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
+x_16 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_16, 0, x_14);
+lean_ctor_set(x_16, 1, x_15);
+return x_16;
 }
 }
 }
@@ -5104,7 +5064,7 @@ _start:
 {
 lean_object* x_8; lean_object* x_9; 
 lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__1), 7, 2);
+x_8 = lean_alloc_closure((void*)(l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getNumExplicitFields___lambda__2), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_2);
 x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Split.c b/stage0/stdlib/Lean/Elab/Tactic/Split.c
index bc584ed7b8..3aa0b5b116 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Split.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Split.c
@@ -31,7 +31,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSplit_declRange___closed
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSplit___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSplit___closed__3;
 static lean_object* l_Lean_Elab_Tactic_evalSplit___lambda__1___closed__1;
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalSplit___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalSplit___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSplit_declRange___closed__5;
@@ -48,6 +47,7 @@ lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalSplit___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedSyntax;
+lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Meta_splitLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
@@ -297,7 +297,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
-x_9 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+x_9 = l_Lean_Meta_splitTarget_x3f(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_9) == 0)
 {
 lean_object* x_10; 
@@ -923,7 +923,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_11);
-x_14 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_11, x_13, x_5, x_6, x_7, x_8, x_12);
+x_14 = l_Lean_Meta_splitTarget_x3f(x_11, x_13, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_14) == 0)
 {
 lean_object* x_15; 
diff --git a/stage0/stdlib/Lean/Meta/Match/Match.c b/stage0/stdlib/Lean/Meta/Match/Match.c
index c4a9ef591b..cc0f32cfc4 100644
--- a/stage0/stdlib/Lean/Meta/Match/Match.c
+++ b/stage0/stdlib/Lean/Meta/Match/Match.c
@@ -26,15 +26,15 @@ static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNu
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldrM___at_Lean_Meta_Match_withCleanLCtxFor___spec__1___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__16___at_Lean_Meta_Match_mkMatcher___spec__17(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isLevelDefEq___spec__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___closed__6;
 LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_Match_processInaccessibleAsCtor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__2;
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__2___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isConstructorTransition___spec__1(uint8_t, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
@@ -51,6 +51,7 @@ lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__11;
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasAsPattern___spec__1___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns___closed__2;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__4;
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Meta_FunInfo_0__Lean_Meta_collectDeps_visit___spec__2(lean_object*, lean_object*);
@@ -103,7 +104,6 @@ static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__outOfBounds___rarg(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withEqs_go(lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_collectArraySizes(lean_object*);
 lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -124,10 +124,9 @@ lean_object* l_Lean_Meta_Match_AltLHS_collectFVars(lean_object*, lean_object*, l
 LEAN_EXPORT lean_object* l_Lean_Meta_matchMatcherApp_x3f___at_Lean_Meta_Match_withMkMatcherInput___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__4___closed__2;
 size_t lean_usize_sub(size_t, size_t);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoArrayLit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__12;
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVarLevels___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__13___boxed(lean_object**);
@@ -145,19 +144,18 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext(lean_objec
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constructorApp_x3f(lean_object*, lean_object*, uint8_t);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_filterTrivialCnstrs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoArrayLit_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__6;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9;
 extern lean_object* l_Lean_Meta_Match_instInhabitedAlt;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_instInhabitedNat;
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_MkMatcherInput_collectDependencies(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasValPattern___boxed(lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__13___closed__2;
@@ -170,7 +168,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_so
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___lambda__2___boxed(lean_object**);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveSomeLocalFVarIdCnstr_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insertAux_traverse___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__6(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__9;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -187,10 +184,9 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withClea
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasNatValPattern(lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processVariable___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_mkStr3(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__2;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__2___closed__3;
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__4;
 lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasVarPattern___spec__1(uint8_t, lean_object*);
@@ -201,16 +197,15 @@ static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveSo
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__4;
 LEAN_EXPORT lean_object* l_Lean_HashSetImp_contains___at_Lean_Meta_Match_mkMatcher___spec__3___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isFirstPatternVar___boxed(lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_inLocalDecls(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__4;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getInductiveVal_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_toPattern___spec__2(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_collectArraySizes___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__24(lean_object*, lean_object*, size_t, size_t, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__2;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_right(size_t, size_t);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__5___closed__4;
@@ -243,10 +238,8 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__3(lean_object*, l
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasVarPattern___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceStep(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insertAux_traverse___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__1;
 static lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withEqs___rarg___closed__1;
@@ -266,6 +259,7 @@ LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Me
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___closed__7;
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNextPatternTypes___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Meta_Match_mkMatcher___spec__5(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_mkMinorType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -276,8 +270,9 @@ lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__3;
 size_t lean_uint64_to_usize(uint64_t);
+static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__1;
 static lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16081_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16091_(lean_object*);
 uint8_t l_Lean_Environment_hasUnsafe(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNextPatternTypes(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -287,6 +282,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_pr
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__16(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandNatValuePattern___spec__1___closed__4;
 lean_object* l_Lean_PersistentHashMap_getCollisionNodeSize___rarg(lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___spec__7(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__8(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__16___at_Lean_Meta_Match_mkMatcher___spec__17___at_Lean_Meta_Match_mkMatcher___spec__18(lean_object*, lean_object*);
@@ -325,15 +321,16 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_so
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__10___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_Pattern_toMessageData(lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__18___boxed(lean_object**);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__21(lean_object*, lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Lean_MVarId_admit(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -423,6 +420,7 @@ lean_object* l_Nat_repr(lean_object*);
 static lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___closed__3;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_getMkMatcherInputInContext___spec__2(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_withMkMatcherInput(lean_object*);
+static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_mkMatcher___spec__8(size_t, size_t, lean_object*);
 static lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__11___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_findAtAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -432,6 +430,7 @@ lean_object* l_Lean_Meta_mkArrayLit(lean_object*, lean_object*, lean_object*, le
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasNatValPattern___spec__1(uint8_t, lean_object*);
 static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__2___closed__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___closed__1;
+static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_matcherExt;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__22___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -477,20 +476,20 @@ LEAN_EXPORT lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__9___at_Lean_Meta_Match_mkMatcher___spec__10___at_Lean_Meta_Match_mkMatcher___spec__11(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__2;
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isFirstPatternVar(lean_object*);
+static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__1;
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t lean_uint64_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_collectValues___spec__1(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__3;
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_insert___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__4(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_find_x3f___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5___closed__6;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__16(lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedExpr;
 lean_object* l_Lean_Meta_Match_addMatcherInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__7___closed__1;
-static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -531,6 +530,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNextPatternTypes___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_mul(size_t, size_t);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__5;
 lean_object* l_Lean_Meta_Closure_mkValueTypeClosure(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -538,7 +538,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___lambda__1
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasValPattern___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processVariable___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__5;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isValueTransition___spec__1(uint8_t, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveSomeLocalFVarIdCnstr_x3f_go___closed__1;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__5___boxed(lean_object*, lean_object*, lean_object*);
@@ -557,9 +557,7 @@ size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkSimpleThunkType(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processVariable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
-static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__2;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -571,11 +569,9 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_ex
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___lambda__1___closed__2;
 size_t lean_usize_land(size_t, size_t);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__5;
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasCtorPattern(lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMVarContextImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException(lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__3;
 static lean_object* l_Lean_Meta_Match_MkMatcherInput_collectDependencies___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_mkMinorType___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___lambda__2___closed__1;
@@ -586,12 +582,12 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_MkMatcherInput_collectDependencies___
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoArrayLit_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Match_mkMatcher___spec__13(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PersistentArray_push___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_isCurrVarInductive___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__7(lean_object*, lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5___closed__2;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_getNumEqsFromDiscrInfos(lean_object*);
@@ -601,6 +597,7 @@ LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Le
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___lambda__1___closed__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process___closed__4;
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -613,7 +610,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Data_PersistentArray_0__Lean_Persisten
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isNatValueTransition___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_getMkMatcherInputInContext___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwNonSupported___lambda__1___closed__2;
 extern uint8_t l_instInhabitedBool;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_MkMatcherInput_collectFVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -622,7 +619,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAl
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_mkMinorType___boxed__const__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5___closed__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__2___closed__2;
-static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__1;
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasAsPattern(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasCtorPattern___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processVariable___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -638,6 +634,7 @@ LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Matc
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveSomeLocalFVarIdCnstr_x3f___lambda__2___closed__4;
 extern lean_object* l_Id_instMonadId;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t lean_usize_dec_le(size_t, size_t);
@@ -665,33 +662,34 @@ lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__7___closed__2;
 lean_object* l_Lean_Meta_Match_Alt_replaceFVarId(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__3;
 static size_t l_Lean_PersistentHashMap_findAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_mkMinorType___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Data_PersistentArray_0__Lean_PersistentArray_foldrMAux___at_Lean_Meta_Match_withCleanLCtxFor___spec__14(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasNatValPattern___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_withCleanLCtxFor___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_processInaccessibleAsCtor___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasValPattern___spec__1(uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5___closed__4;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_mkMatcher___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConstructorApp(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible(lean_object*);
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns___spec__1___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Data_PersistentArray_0__Lean_PersistentArray_foldrMAux___at_Lean_Meta_Match_withCleanLCtxFor___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__10;
 LEAN_EXPORT lean_object* l_Array_indexOfAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__2;
-LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
 static lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__8___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceState(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -724,7 +722,6 @@ static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process
 extern lean_object* l_Lean_instInhabitedName;
 static size_t l_Lean_PersistentHashMap_findAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processAsPattern(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__1;
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasArrayLitPattern___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_PersistentHashMap_mkEmptyEntries(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -738,6 +735,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__18(lean_object*,
 lean_object* l_instBEq___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__2___closed__1;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__1;
 LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -745,6 +743,7 @@ lean_object* l_Lean_MVarId_contradictionCore(lean_object*, lean_object*, lean_ob
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isValueTransition___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___lambda__3___closed__1;
 lean_object* l_Lean_Meta_Match_withGoalOf___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -764,6 +763,7 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withClea
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__5___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___closed__3;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__8;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 static lean_object* l_List_mapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__8___closed__1;
@@ -792,14 +792,14 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withClea
 lean_object* l_Lean_Meta_getMatcherInfo_x3f___at_Lean_Meta_reduceMatcher_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceStep___closed__2;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processAsPattern___closed__2;
+LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__7(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__11___closed__2;
 lean_object* l_Lean_indentD(lean_object*);
-LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withEqs___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__6(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__3(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshTypeMVar(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_examplesToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -819,7 +819,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_wi
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoArrayLit_loop___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_inLocalDecls___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processVariable___closed__1;
 lean_object* l_Lean_Meta_setInlineAttribute(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -828,12 +827,11 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_pr
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__5___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_foldTR_loop___at_Lean_Meta_Match_mkMatcher___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__2;
 lean_object* l_Lean_CollectFVars_State_addDependencies(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_foldrM___at_Lean_Meta_Match_withCleanLCtxFor___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withEqs(lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_getMkMatcherInputInContext___spec__5___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_solveCnstrs_go___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -873,6 +871,7 @@ lean_object* l_EStateM_pure___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process___closed__1;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Meta_Eqns_0__Lean_Meta_mkSimpleEqThm___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__1;
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isVariableTransition___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_mkMatcher___spec__2(size_t, size_t, lean_object*);
@@ -887,6 +886,7 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_Match_getMkMat
 lean_object* l_Lean_Meta_kabstract(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__9;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__4___closed__1;
 lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Closure_mkBinding___spec__1(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__25(lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -900,15 +900,16 @@ lean_object* l_Lean_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_
 lean_object* l_Lean_Meta_Match_Alt_applyFVarSubst(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__12;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__11(lean_object*, lean_object*, size_t, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753_(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_reorientCnstrs(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processAsPattern___spec__1___closed__1;
 lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isArrayLitTransition___spec__1(uint8_t, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__2;
 static lean_object* l_Lean_PersistentHashMap_insertAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__5___closed__1;
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PersistentHashMap_instInhabitedPersistentHashMap___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process___closed__2;
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_filterTrivialCnstrs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -917,7 +918,6 @@ LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_Meta_Match_Match_0__
 lean_object* l_Lean_mkConstWithLevelParams___at_Lean_Meta_mkSimpCongrTheorem___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_instInhabitedMetaM___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__1(lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_Match_getMkMatcherInputInContext___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__3;
@@ -935,6 +935,7 @@ static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___close
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___lambda__2___closed__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___closed__1;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__6;
 static lean_object* l_Lean_Meta_Match_withMkMatcherInput___rarg___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -11589,232 +11590,7 @@ return x_36;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__2___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_30; 
-x_11 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-if (lean_is_exclusive(x_11)) {
- lean_ctor_release(x_11, 0);
- lean_ctor_release(x_11, 1);
- x_14 = x_11;
-} else {
- lean_dec_ref(x_11);
- x_14 = lean_box(0);
-}
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_30 = l_Lean_Meta_Cases_cases(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
-if (lean_obj_tag(x_30) == 0)
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-lean_dec(x_1);
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_30, 1);
-lean_inc(x_32);
-lean_dec(x_30);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_33 = lean_apply_6(x_2, x_31, x_6, x_7, x_8, x_9, x_32);
-if (lean_obj_tag(x_33) == 0)
-{
-lean_object* x_34; lean_object* x_35; 
-x_34 = lean_ctor_get(x_33, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 1);
-lean_inc(x_35);
-lean_dec(x_33);
-x_15 = x_34;
-x_16 = x_35;
-goto block_29;
-}
-else
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-lean_dec(x_14);
-x_36 = lean_ctor_get(x_33, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_33, 1);
-lean_inc(x_37);
-lean_dec(x_33);
-x_38 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_37);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_12);
-x_39 = !lean_is_exclusive(x_38);
-if (x_39 == 0)
-{
-lean_object* x_40; 
-x_40 = lean_ctor_get(x_38, 0);
-lean_dec(x_40);
-lean_ctor_set_tag(x_38, 1);
-lean_ctor_set(x_38, 0, x_36);
-return x_38;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_36);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-lean_dec(x_2);
-x_43 = lean_ctor_get(x_30, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_30, 1);
-lean_inc(x_44);
-lean_dec(x_30);
-x_45 = lean_ctor_get(x_1, 2);
-lean_inc(x_45);
-x_46 = l_List_isEmpty___rarg(x_45);
-lean_dec(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-lean_dec(x_14);
-x_47 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg(x_1, x_43, x_6, x_7, x_8, x_9, x_44);
-x_48 = lean_ctor_get(x_47, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_47, 1);
-lean_inc(x_49);
-lean_dec(x_47);
-x_50 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_49);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_12);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_dec(x_52);
-lean_ctor_set_tag(x_50, 1);
-lean_ctor_set(x_50, 0, x_48);
-return x_50;
-}
-else
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_50, 1);
-lean_inc(x_53);
-lean_dec(x_50);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_48);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
-}
-}
-else
-{
-lean_object* x_55; 
-lean_dec(x_43);
-lean_dec(x_1);
-x_55 = lean_box(0);
-x_15 = x_55;
-x_16 = x_44;
-goto block_29;
-}
-}
-block_29:
-{
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_17; uint8_t x_18; 
-lean_dec(x_14);
-x_17 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_16);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_12);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-x_20 = lean_box(0);
-lean_ctor_set(x_17, 0, x_20);
-return x_17;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_17, 1);
-lean_inc(x_21);
-lean_dec(x_17);
-x_22 = lean_box(0);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_21);
-return x_23;
-}
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_12);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_24 = !lean_is_exclusive(x_15);
-if (x_24 == 0)
-{
-lean_object* x_25; 
-if (lean_is_scalar(x_14)) {
- x_25 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_25 = x_14;
-}
-lean_ctor_set(x_25, 0, x_15);
-lean_ctor_set(x_25, 1, x_16);
-return x_25;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_15, 0);
-lean_inc(x_26);
-lean_dec(x_15);
-x_27 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_27, 0, x_26);
-if (lean_is_scalar(x_14)) {
- x_28 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_28 = x_14;
-}
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_16);
-return x_28;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -11862,7 +11638,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -11960,7 +11736,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -12008,7 +11784,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -12056,7 +11832,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -12240,7 +12016,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -12288,7 +12064,7 @@ goto _start;
 }
 }
 }
-static lean_object* _init_l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__1() {
+static lean_object* _init_l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -12296,12 +12072,12 @@ x_1 = lean_mk_string_from_bytes("_private.Lean.Meta.Match.Match.0.Lean.Meta.Matc
 return x_1;
 }
 }
-static lean_object* _init_l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__2() {
+static lean_object* _init_l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__1;
-x_2 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__1;
+x_2 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__1;
 x_3 = lean_unsigned_to_nat(456u);
 x_4 = lean_unsigned_to_nat(37u);
 x_5 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__3;
@@ -12309,7 +12085,7 @@ x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -12346,7 +12122,7 @@ if (lean_obj_tag(x_20) == 0)
 {
 lean_object* x_21; lean_object* x_22; 
 lean_dec(x_10);
-x_21 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__2;
+x_21 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__2;
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -12663,7 +12439,7 @@ lean_object* x_79; lean_object* x_80;
 lean_dec(x_29);
 lean_dec(x_20);
 lean_dec(x_10);
-x_79 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__2;
+x_79 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__2;
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -12745,11 +12521,11 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
-x_12 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(x_1, x_2, x_3, x_7, x_8, x_9, x_10, x_11);
+x_12 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(x_1, x_2, x_3, x_7, x_8, x_9, x_10, x_11);
 if (lean_obj_tag(x_12) == 0)
 {
 uint8_t x_13; 
@@ -12812,7 +12588,7 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 uint8_t x_12; 
@@ -12851,28 +12627,28 @@ lean_inc(x_2);
 lean_inc(x_21);
 x_22 = l_List_appendTR___rarg(x_21, x_2);
 x_23 = lean_box(0);
-x_24 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(x_20, x_22, x_23);
+x_24 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(x_20, x_22, x_23);
 x_25 = lean_ctor_get(x_14, 1);
 lean_inc(x_25);
 lean_dec(x_14);
-x_26 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(x_21, x_23);
+x_26 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(x_21, x_23);
 lean_inc(x_25);
 x_27 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_27, 0, x_25);
 lean_ctor_set(x_27, 1, x_26);
 x_28 = lean_ctor_get(x_1, 3);
 lean_inc(x_28);
-x_29 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(x_3, x_27, x_28, x_23);
+x_29 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(x_3, x_27, x_28, x_23);
 lean_dec(x_27);
-x_30 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(x_20, x_29, x_23);
+x_30 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(x_20, x_29, x_23);
 x_31 = lean_ctor_get(x_1, 2);
 lean_inc(x_31);
-x_32 = l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(x_25, x_31, x_23);
-x_33 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(x_20, x_32, x_23);
+x_32 = l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(x_25, x_31, x_23);
+x_33 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(x_20, x_32, x_23);
 lean_dec(x_20);
 x_34 = l_List_reverse___rarg(x_33);
 lean_inc(x_18);
-x_35 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11___lambda__1), 11, 6);
+x_35 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___lambda__1), 11, 6);
 lean_closure_set(x_35, 0, x_25);
 lean_closure_set(x_35, 1, x_34);
 lean_closure_set(x_35, 2, x_23);
@@ -13079,12 +12855,144 @@ return x_35;
 }
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__1() {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_12 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_6);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+lean_dec(x_12);
+x_15 = lean_apply_6(x_4, x_13, x_7, x_8, x_9, x_10, x_14);
+return x_15;
+}
+else
+{
+uint8_t x_16; 
+lean_dec(x_4);
+x_16 = !lean_is_exclusive(x_12);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_17 = lean_ctor_get(x_12, 0);
+x_18 = lean_ctor_get(x_12, 1);
+x_19 = l_List_isEmpty___rarg(x_5);
+if (x_19 == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+lean_free_object(x_12);
+x_20 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg(x_6, x_17, x_7, x_8, x_9, x_10, x_18);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_21 = !lean_is_exclusive(x_20);
+if (x_21 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_20, 0);
+x_23 = lean_ctor_get(x_20, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_20);
+x_24 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; 
+lean_dec(x_17);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_25 = lean_box(0);
+lean_ctor_set_tag(x_12, 0);
+lean_ctor_set(x_12, 0, x_25);
+return x_12;
+}
+}
+else
+{
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_12, 0);
+x_27 = lean_ctor_get(x_12, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_12);
+x_28 = l_List_isEmpty___rarg(x_5);
+if (x_28 == 0)
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_29 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg(x_6, x_26, x_7, x_8, x_9, x_10, x_27);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+if (lean_is_exclusive(x_29)) {
+ lean_ctor_release(x_29, 0);
+ lean_ctor_release(x_29, 1);
+ x_32 = x_29;
+} else {
+ lean_dec_ref(x_29);
+ x_32 = lean_box(0);
+}
+if (lean_is_scalar(x_32)) {
+ x_33 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_33 = x_32;
+}
+lean_ctor_set(x_33, 0, x_30);
+lean_ctor_set(x_33, 1, x_31);
+return x_33;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; 
+lean_dec(x_26);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_34 = lean_box(0);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_27);
+return x_35;
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__1;
-x_2 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__1;
+x_2 = l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___closed__1;
 x_3 = lean_unsigned_to_nat(409u);
 x_4 = lean_unsigned_to_nat(26u);
 x_5 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3___closed__3;
@@ -13092,7 +13000,7 @@ x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-static lean_object* _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -13101,7 +13009,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -13112,13 +13020,13 @@ if (lean_obj_tag(x_8) == 0)
 {
 lean_object* x_9; lean_object* x_10; 
 lean_dec(x_1);
-x_9 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__1;
+x_9 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__1;
 x_10 = l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__1(x_9, x_3, x_4, x_5, x_6, x_7);
 return x_10;
 }
 else
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 x_11 = lean_ctor_get(x_1, 0);
 lean_inc(x_11);
 x_12 = lean_ctor_get(x_1, 2);
@@ -13139,121 +13047,129 @@ lean_closure_set(x_16, 1, x_14);
 lean_closure_set(x_16, 2, x_1);
 x_17 = l_Lean_Expr_fvarId_x21(x_14);
 x_18 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withEqs___rarg___closed__1;
+lean_inc(x_1);
+lean_inc(x_12);
+lean_inc(x_17);
+lean_inc(x_11);
+x_19 = lean_alloc_closure((void*)(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___boxed), 11, 6);
+lean_closure_set(x_19, 0, x_11);
+lean_closure_set(x_19, 1, x_17);
+lean_closure_set(x_19, 2, x_18);
+lean_closure_set(x_19, 3, x_16);
+lean_closure_set(x_19, 4, x_12);
+lean_closure_set(x_19, 5, x_1);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_17);
-lean_inc(x_11);
-lean_inc(x_1);
-x_19 = l_Lean_commitWhenSome_x3f___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__2___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(x_1, x_16, x_11, x_17, x_18, x_3, x_4, x_5, x_6, x_7);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
+x_20 = l_Lean_commitWhenSome_x3f___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__2(x_19, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_20) == 0)
 {
-uint8_t x_21; 
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+if (lean_obj_tag(x_21) == 0)
+{
+uint8_t x_22; 
 lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_21 = !lean_is_exclusive(x_1);
-if (x_21 == 0)
+x_22 = !lean_is_exclusive(x_1);
+if (x_22 == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
-x_22 = lean_ctor_get(x_1, 3);
-lean_dec(x_22);
-x_23 = lean_ctor_get(x_1, 2);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_23 = lean_ctor_get(x_1, 3);
 lean_dec(x_23);
-x_24 = lean_ctor_get(x_1, 1);
+x_24 = lean_ctor_get(x_1, 2);
 lean_dec(x_24);
-x_25 = lean_ctor_get(x_1, 0);
+x_25 = lean_ctor_get(x_1, 1);
 lean_dec(x_25);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
+x_26 = lean_ctor_get(x_1, 0);
+lean_dec(x_26);
+x_27 = !lean_is_exclusive(x_20);
+if (x_27 == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_19, 0);
-lean_dec(x_27);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_20, 0);
+lean_dec(x_28);
 lean_ctor_set(x_1, 1, x_15);
-x_28 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
-x_29 = lean_array_push(x_28, x_1);
-lean_ctor_set(x_19, 0, x_29);
-return x_19;
+x_29 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
+x_30 = lean_array_push(x_29, x_1);
+lean_ctor_set(x_20, 0, x_30);
+return x_20;
 }
 else
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_19, 1);
-lean_inc(x_30);
-lean_dec(x_19);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_31 = lean_ctor_get(x_20, 1);
+lean_inc(x_31);
+lean_dec(x_20);
 lean_ctor_set(x_1, 1, x_15);
-x_31 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
-x_32 = lean_array_push(x_31, x_1);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
+x_32 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
+x_33 = lean_array_push(x_32, x_1);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_31);
+return x_34;
 }
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
 lean_dec(x_1);
-x_34 = lean_ctor_get(x_19, 1);
-lean_inc(x_34);
-if (lean_is_exclusive(x_19)) {
- lean_ctor_release(x_19, 0);
- lean_ctor_release(x_19, 1);
- x_35 = x_19;
+x_35 = lean_ctor_get(x_20, 1);
+lean_inc(x_35);
+if (lean_is_exclusive(x_20)) {
+ lean_ctor_release(x_20, 0);
+ lean_ctor_release(x_20, 1);
+ x_36 = x_20;
 } else {
- lean_dec_ref(x_19);
- x_35 = lean_box(0);
+ lean_dec_ref(x_20);
+ x_36 = lean_box(0);
 }
-x_36 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_36, 0, x_11);
-lean_ctor_set(x_36, 1, x_15);
-lean_ctor_set(x_36, 2, x_12);
-lean_ctor_set(x_36, 3, x_13);
-x_37 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
-x_38 = lean_array_push(x_37, x_36);
-if (lean_is_scalar(x_35)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_11);
+lean_ctor_set(x_37, 1, x_15);
+lean_ctor_set(x_37, 2, x_12);
+lean_ctor_set(x_37, 3, x_13);
+x_38 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
+x_39 = lean_array_push(x_38, x_37);
+if (lean_is_scalar(x_36)) {
+ x_40 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_39 = x_35;
+ x_40 = x_36;
 }
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_34);
-return x_39;
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_35);
+return x_40;
 }
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; size_t x_43; size_t x_44; lean_object* x_45; 
+lean_object* x_41; lean_object* x_42; lean_object* x_43; size_t x_44; size_t x_45; lean_object* x_46; 
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
-x_40 = lean_ctor_get(x_19, 1);
-lean_inc(x_40);
-lean_dec(x_19);
-x_41 = lean_ctor_get(x_20, 0);
+x_41 = lean_ctor_get(x_20, 1);
 lean_inc(x_41);
 lean_dec(x_20);
-x_42 = lean_array_get_size(x_41);
-x_43 = lean_usize_of_nat(x_42);
-lean_dec(x_42);
-x_44 = 0;
-x_45 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11(x_1, x_15, x_17, x_43, x_44, x_41, x_3, x_4, x_5, x_6, x_40);
+x_42 = lean_ctor_get(x_21, 0);
+lean_inc(x_42);
+lean_dec(x_21);
+x_43 = lean_array_get_size(x_42);
+x_44 = lean_usize_of_nat(x_43);
+lean_dec(x_43);
+x_45 = 0;
+x_46 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(x_1, x_15, x_17, x_44, x_45, x_42, x_3, x_4, x_5, x_6, x_41);
 lean_dec(x_17);
-return x_45;
+return x_46;
 }
 }
 else
 {
-uint8_t x_46; 
+uint8_t x_47; 
 lean_dec(x_17);
 lean_dec(x_15);
 lean_dec(x_13);
@@ -13264,23 +13180,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_46 = !lean_is_exclusive(x_19);
-if (x_46 == 0)
+x_47 = !lean_is_exclusive(x_20);
+if (x_47 == 0)
 {
-return x_19;
+return x_20;
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_19, 0);
-x_48 = lean_ctor_get(x_19, 1);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_20, 0);
+x_49 = lean_ctor_get(x_20, 1);
+lean_inc(x_49);
 lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_19);
-x_49 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-return x_49;
+lean_dec(x_20);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
 }
 }
 }
@@ -13320,7 +13236,7 @@ x_11 = lean_ctor_get(x_8, 1);
 lean_inc(x_11);
 lean_dec(x_8);
 x_12 = lean_box(0);
-x_13 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(x_1, x_12, x_2, x_3, x_4, x_5, x_11);
+x_13 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3(x_1, x_12, x_2, x_3, x_4, x_5, x_11);
 return x_13;
 }
 else
@@ -13336,58 +13252,58 @@ lean_inc(x_17);
 x_18 = lean_ctor_get(x_16, 1);
 lean_inc(x_18);
 lean_dec(x_16);
-x_19 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(x_1, x_17, x_2, x_3, x_4, x_5, x_18);
+x_19 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3(x_1, x_17, x_2, x_3, x_4, x_5, x_18);
 return x_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__4(x_1, x_2, x_3);
+x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__3(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(x_1, x_2, x_3, x_4);
+x_5 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(x_1, x_2, x_3);
+x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__6(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(x_1, x_2, x_3);
+x_4 = l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__9(x_1, x_2, x_3);
+x_4 = l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 size_t x_12; size_t x_13; lean_object* x_14; 
@@ -13395,7 +13311,7 @@ x_12 = lean_unbox_usize(x_4);
 lean_dec(x_4);
 x_13 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_14 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__11(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
+x_14 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_3);
 return x_14;
 }
@@ -13409,6 +13325,15 @@ lean_dec(x_1);
 return x_10;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_5);
+return x_12;
+}
+}
 LEAN_EXPORT lean_object* l_List_allM___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_altsAreCtorLike___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -21789,7 +21714,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__1() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -21797,7 +21722,7 @@ x_1 = lean_mk_string_from_bytes("bootstrap", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__2() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -21805,17 +21730,17 @@ x_1 = lean_mk_string_from_bytes("genMatcherCode", 14);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__3() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__1;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__2;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__1;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__2;
 x_3 = l_Lean_Name_mkStr2(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__4() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -21823,13 +21748,13 @@ x_1 = lean_mk_string_from_bytes("disable code generation for auxiliary matcher f
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__5() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__5() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 1;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__1;
-x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__4;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__1;
+x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__4;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -21838,17 +21763,17 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__3;
-x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10743____closed__5;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__3;
+x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10753____closed__5;
 x_4 = l_Lean_Option_register___at_Std_Format_initFn____x40_Lean_Data_Format___hyg_87____spec__1(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1(uint8_t x_1, uint8_t x_2) {
+LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1(uint8_t x_1, uint8_t x_2) {
 _start:
 {
 if (x_1 == 0)
@@ -21872,37 +21797,37 @@ return x_2;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__1() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1___boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1___boxed), 2, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__2() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__1;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__1;
 x_2 = lean_alloc_closure((void*)(l_instBEq___rarg), 3, 1);
 lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__3() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Expr_instBEqExpr;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__2;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__2;
 x_3 = lean_alloc_closure((void*)(l_instBEqProd___rarg), 4, 2);
 lean_closure_set(x_3, 0, x_1);
 lean_closure_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__4() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -21910,19 +21835,19 @@ x_1 = lean_alloc_closure((void*)(l_instHashableBool___boxed), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__5() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Expr_instHashableExpr;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__4;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__4;
 x_3 = lean_alloc_closure((void*)(l_instHashableProd___rarg___boxed), 3, 2);
 lean_closure_set(x_3, 0, x_1);
 lean_closure_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__6() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__6() {
 _start:
 {
 lean_object* x_1; 
@@ -21930,21 +21855,21 @@ x_1 = l_Lean_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__6;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__6;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__8() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -21952,26 +21877,26 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__9() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__8;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__8;
 x_2 = lean_alloc_closure((void*)(l_EStateM_pure___rarg), 2, 1);
 lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__9;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9;
 x_3 = l_Lean_EnvExtensionInterfaceUnsafe_registerExt___rarg(x_2, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; uint8_t x_4; uint8_t x_5; lean_object* x_6; 
@@ -21979,7 +21904,7 @@ x_3 = lean_unbox(x_1);
 lean_dec(x_1);
 x_4 = lean_unbox(x_2);
 lean_dec(x_2);
-x_5 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____lambda__1(x_3, x_4);
+x_5 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____lambda__1(x_3, x_4);
 x_6 = lean_box(x_5);
 return x_6;
 }
@@ -23152,7 +23077,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23175,7 +23100,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23195,7 +23120,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23207,7 +23132,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23241,7 +23166,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23726,8 +23651,8 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__4__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__3;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10779____closed__5;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__3;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__5;
 x_3 = l_Lean_PersistentHashMap_instInhabitedPersistentHashMap___rarg(x_1, x_2);
 return x_3;
 }
@@ -28858,7 +28783,7 @@ lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
 lean_inc(x_42);
 lean_dec(x_40);
-x_43 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_43 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 x_44 = lean_array_push(x_43, x_3);
 x_45 = l_Array_append___rarg(x_44, x_2);
 x_46 = lean_array_get_size(x_13);
@@ -29652,7 +29577,7 @@ lean_dec(x_31);
 lean_inc(x_3);
 x_34 = l_Lean_mkAppN(x_6, x_3);
 x_35 = l_Lean_mkAppN(x_34, x_33);
-x_36 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_36 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 lean_inc(x_7);
 x_37 = lean_array_push(x_36, x_7);
 lean_inc(x_3);
@@ -32172,7 +32097,7 @@ x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
 lean_dec(x_24);
 x_27 = l_Lean_ConstantInfo_type(x_25);
-x_28 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_28 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 x_29 = lean_array_push(x_28, x_9);
 x_30 = l_Array_append___rarg(x_8, x_29);
 x_31 = lean_unsigned_to_nat(0u);
@@ -32476,7 +32401,7 @@ x_87 = lean_ctor_get(x_85, 1);
 lean_inc(x_87);
 lean_dec(x_85);
 x_88 = l_Lean_ConstantInfo_type(x_86);
-x_89 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_89 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 x_90 = lean_array_push(x_89, x_9);
 x_91 = l_Array_append___rarg(x_8, x_90);
 x_92 = lean_unsigned_to_nat(0u);
@@ -34482,7 +34407,7 @@ lean_inc(x_25);
 lean_dec(x_23);
 x_26 = lean_ctor_get(x_2, 2);
 lean_inc(x_26);
-x_27 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_27 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 x_28 = lean_array_push(x_27, x_3);
 x_29 = lean_ctor_get(x_2, 8);
 lean_inc(x_29);
@@ -34516,7 +34441,7 @@ lean_inc(x_35);
 lean_dec(x_32);
 x_36 = lean_ctor_get(x_2, 2);
 lean_inc(x_36);
-x_37 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2___closed__2;
+x_37 = l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__3___closed__2;
 x_38 = lean_array_push(x_37, x_3);
 x_39 = lean_ctor_get(x_2, 8);
 lean_inc(x_39);
@@ -35117,7 +35042,7 @@ return x_21;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16081_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16091_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
@@ -35418,16 +35343,16 @@ l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg_
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__17);
 l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__18 = _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__18();
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__18);
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-lean_mark_persistent(l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__1);
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-lean_mark_persistent(l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__10___closed__2);
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 l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__1___closed__1 = _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__1___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__1___closed__1);
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 l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___closed__1 = _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___closed__1);
 l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___closed__2 = _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___closed__2();
@@ -35516,40 +35441,40 @@ l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__1
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__1);
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 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__2);
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 if (lean_io_result_is_error(res)) return res;
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 lean_mark_persistent(l_Lean_Meta_Match_bootstrap_genMatcherCode);
 lean_dec_ref(res);
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+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789____closed__9);
+if (builtin) {res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10789_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Meta_Match_matcherExt = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Meta_Match_matcherExt);
@@ -35688,7 +35613,7 @@ l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__3 = _init_l_Lean_Meta_Matche
 lean_mark_persistent(l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__3);
 l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4 = _init_l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4();
 lean_mark_persistent(l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16081_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_16091_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Match/MatchEqs.c b/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
index 565c86d7cf..71854f5451 100644
--- a/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
+++ b/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
@@ -147,8 +147,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match
 static lean_object* l_Lean_Meta_Match_proveCondEqThm_go___lambda__2___closed__11;
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
+lean_object* l_Lean_Meta_subst_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_forallAltTelescope_go___rarg___lambda__5___closed__4;
-lean_object* l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___lambda__3___closed__1;
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_SimpH_substRHS___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__14(lean_object*, lean_object*);
@@ -172,6 +172,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___closed__1;
 size_t lean_usize_shift_right(size_t, size_t);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkEquationsFor___lambda__4___closed__1;
+lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkEquationsFor___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_forallAltTelescope(lean_object*);
@@ -555,7 +556,6 @@ lean_object* l_Lean_Meta_simpIfTarget(lean_object*, uint8_t, lean_object*, lean_
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_injectionAnyCandidate_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_transform___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__6(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkEquationsFor___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_proveSubgoal___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_simpH_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_forallAltTelescope_go___rarg___closed__11;
@@ -10258,7 +10258,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_48 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_43, x_8, x_9, x_10, x_11, x_47);
+x_48 = l_Lean_Meta_subst_x3f(x_1, x_43, x_8, x_9, x_10, x_11, x_47);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 if (lean_obj_tag(x_49) == 0)
@@ -10778,7 +10778,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_49 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_44, x_8, x_9, x_10, x_11, x_48);
+x_49 = l_Lean_Meta_subst_x3f(x_1, x_44, x_8, x_9, x_10, x_11, x_48);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 if (lean_obj_tag(x_50) == 0)
@@ -11832,7 +11832,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_12);
-x_99 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_12, x_74, x_5, x_6, x_7, x_8, x_77);
+x_99 = l_Lean_Meta_splitIfTarget_x3f(x_12, x_74, x_5, x_6, x_7, x_8, x_77);
 if (lean_obj_tag(x_99) == 0)
 {
 lean_object* x_100; 
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Cases.c b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
index 96be230e68..c17ea20045 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Cases.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
@@ -41,7 +41,6 @@ lean_object* l_Lean_Meta_unifyEq_x3f(lean_object*, lean_object*, lean_object*, l
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__21___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -52,6 +51,7 @@ lean_object* l_Lean_MVarId_assert(lean_object*, lean_object*, lean_object*, lean
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__46(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Meta_mkSimpCongrTheorem___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__30___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -60,7 +60,6 @@ LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(lea
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_inductionCasesOn___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeIndices___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__outOfBounds___rarg(lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__1;
@@ -72,7 +71,7 @@ lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__3(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__42___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__1;
@@ -84,9 +83,8 @@ lean_object* lean_environment_find(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_Context_majorTypeIndices___default___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_byCases___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__13(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -161,6 +159,7 @@ static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__8;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__4;
 static lean_object* l_Lean_Meta_Cases_unifyEqs_x3f___closed__1;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -177,6 +176,7 @@ lean_object* l_Lean_Meta_throwNestedTacticEx___rarg(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_apply(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__54___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___closed__2;
@@ -185,7 +185,6 @@ static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__19(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeIndices(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -220,7 +219,6 @@ uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__51(lean_object*, lean_object*, lean_object*, size_t, size_t);
 extern lean_object* l_Lean_instInhabitedExpr;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__38(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__27(lean_object*, lean_object*, lean_object*, size_t, size_t);
 uint8_t l_Array_isEmpty___rarg(lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
@@ -231,8 +229,8 @@ LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyM___at___private_Lean_Meta_Ta
 lean_object* l_Lean_mkEM(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__30(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__7(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saturate(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__35(lean_object*, lean_object*, lean_object*, size_t, size_t);
@@ -256,12 +254,13 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tact
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprMVarAt(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_cases___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_Context_nminors___default___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__6___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
@@ -292,7 +291,6 @@ LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyM___at___private_Lean_Meta_Ta
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__24___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_insert(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_casesRec___lambda__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_byCases___closed__3;
 lean_object* l_Lean_Meta_exactlyOne(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -345,6 +343,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1___
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__6___closed__2;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1;
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__1;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__49(lean_object*, lean_object*, lean_object*, size_t, size_t);
@@ -363,6 +362,7 @@ static lean_object* l_Lean_MVarId_casesAnd___lambda__1___closed__1;
 LEAN_EXPORT uint8_t l_Nat_anyTR_loop___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__2;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__9(lean_object*, lean_object*, lean_object*, size_t, size_t);
@@ -396,11 +396,11 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_
 extern lean_object* l_Lean_casesOnSuffix;
 LEAN_EXPORT uint8_t l_Lean_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__16(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__42(lean_object*, lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__24(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__25(lean_object*, lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__47___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_inductionCasesOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -13317,99 +13317,7 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
-lean_inc(x_11);
-lean_dec(x_9);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_12 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
-if (lean_obj_tag(x_12) == 0)
-{
-uint8_t x_13; 
-lean_dec(x_10);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_array_to_list(lean_box(0), x_14);
-x_16 = lean_box(0);
-x_17 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_15, x_16);
-x_18 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_12, 0, x_18);
-return x_12;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_19 = lean_ctor_get(x_12, 0);
-x_20 = lean_ctor_get(x_12, 1);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_12);
-x_21 = lean_array_to_list(lean_box(0), x_19);
-x_22 = lean_box(0);
-x_23 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_21, x_22);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_23);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_20);
-return x_25;
-}
-}
-else
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_26 = lean_ctor_get(x_12, 1);
-lean_inc(x_26);
-lean_dec(x_12);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_10);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = lean_box(0);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_27, 1);
-lean_inc(x_31);
-lean_dec(x_27);
-x_32 = lean_box(0);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-return x_33;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 uint8_t x_15; 
@@ -13451,7 +13359,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_19, x_10, x_11, x_12, x_13, x_14);
+x_21 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4(x_1, x_2, x_3, x_4, x_17, x_19, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_21) == 0)
 {
 lean_object* x_22; 
@@ -13565,7 +13473,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_39 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_38, x_10, x_11, x_12, x_13, x_14);
+x_39 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4(x_1, x_2, x_3, x_4, x_17, x_38, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_39) == 0)
 {
 lean_object* x_40; 
@@ -13667,7 +13575,67 @@ return x_55;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
+uint8_t x_10; 
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_array_to_list(lean_box(0), x_11);
+x_13 = lean_box(0);
+x_14 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_12, x_13);
+lean_ctor_set(x_9, 0, x_14);
+return x_9;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_15 = lean_ctor_get(x_9, 0);
+x_16 = lean_ctor_get(x_9, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_9);
+x_17 = lean_array_to_list(lean_box(0), x_15);
+x_18 = lean_box(0);
+x_19 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_17, x_18);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_16);
+return x_20;
+}
+}
+else
+{
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_9);
+if (x_21 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_24 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+return x_24;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -13751,57 +13719,61 @@ goto block_29;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
 x_38 = lean_ctor_get(x_33, 1);
 lean_inc(x_38);
 lean_dec(x_33);
 x_39 = l_Lean_LocalDecl_fvarId(x_32);
 lean_dec(x_32);
 x_40 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+lean_inc(x_2);
+x_41 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1), 8, 3);
+lean_closure_set(x_41, 0, x_2);
+lean_closure_set(x_41, 1, x_39);
+lean_closure_set(x_41, 2, x_40);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_2);
-x_41 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_39, x_40, x_9, x_10, x_11, x_12, x_38);
-x_42 = lean_ctor_get(x_41, 0);
-lean_inc(x_42);
-if (lean_obj_tag(x_42) == 0)
-{
-lean_object* x_43; lean_object* x_44; 
-lean_free_object(x_16);
-x_43 = lean_ctor_get(x_41, 1);
+x_42 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(x_41, x_9, x_10, x_11, x_12, x_38);
+x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
-lean_dec(x_41);
+if (lean_obj_tag(x_43) == 0)
+{
+lean_object* x_44; lean_object* x_45; 
+lean_free_object(x_16);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
+lean_dec(x_42);
 lean_inc(x_3);
-x_44 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_44, 0, x_3);
-x_19 = x_44;
-x_20 = x_43;
+x_45 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_45, 0, x_3);
+x_19 = x_45;
+x_20 = x_44;
 goto block_29;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-lean_ctor_set(x_16, 0, x_42);
-x_46 = lean_box(0);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_16);
-lean_ctor_set(x_47, 1, x_46);
-x_48 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_48, 0, x_47);
-x_19 = x_48;
-x_20 = x_45;
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_46 = lean_ctor_get(x_42, 1);
+lean_inc(x_46);
+lean_dec(x_42);
+lean_ctor_set(x_16, 0, x_43);
+x_47 = lean_box(0);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_16);
+lean_ctor_set(x_48, 1, x_47);
+x_49 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_49, 0, x_48);
+x_19 = x_49;
+x_20 = x_46;
 goto block_29;
 }
 }
 }
 else
 {
-uint8_t x_49; 
+uint8_t x_50; 
 lean_free_object(x_16);
 lean_dec(x_32);
 lean_dec(x_18);
@@ -13814,114 +13786,118 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_49 = !lean_is_exclusive(x_33);
-if (x_49 == 0)
+x_50 = !lean_is_exclusive(x_33);
+if (x_50 == 0)
 {
 return x_33;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_33, 0);
-x_51 = lean_ctor_get(x_33, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_51 = lean_ctor_get(x_33, 0);
+x_52 = lean_ctor_get(x_33, 1);
+lean_inc(x_52);
 lean_inc(x_51);
-lean_inc(x_50);
 lean_dec(x_33);
-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;
+x_53 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_53, 0, x_51);
+lean_ctor_set(x_53, 1, x_52);
+return x_53;
 }
 }
 }
 else
 {
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_16, 0);
-lean_inc(x_53);
+lean_object* x_54; lean_object* x_55; 
+x_54 = lean_ctor_get(x_16, 0);
+lean_inc(x_54);
 lean_dec(x_16);
 lean_inc(x_1);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_53);
-x_54 = lean_apply_6(x_1, x_53, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_54) == 0)
+lean_inc(x_54);
+x_55 = lean_apply_6(x_1, x_54, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_55) == 0)
 {
-lean_object* x_55; uint8_t x_56; 
-x_55 = lean_ctor_get(x_54, 0);
-lean_inc(x_55);
-x_56 = lean_unbox(x_55);
-lean_dec(x_55);
-if (x_56 == 0)
+lean_object* x_56; uint8_t x_57; 
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_unbox(x_56);
+lean_dec(x_56);
+if (x_57 == 0)
 {
-lean_object* x_57; lean_object* x_58; 
-lean_dec(x_53);
-x_57 = lean_ctor_get(x_54, 1);
-lean_inc(x_57);
+lean_object* x_58; lean_object* x_59; 
 lean_dec(x_54);
+x_58 = lean_ctor_get(x_55, 1);
+lean_inc(x_58);
+lean_dec(x_55);
 lean_inc(x_3);
-x_58 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_58, 0, x_3);
-x_19 = x_58;
-x_20 = x_57;
+x_59 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_59, 0, x_3);
+x_19 = x_59;
+x_20 = x_58;
 goto block_29;
 }
 else
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_59 = lean_ctor_get(x_54, 1);
-lean_inc(x_59);
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_60 = lean_ctor_get(x_55, 1);
+lean_inc(x_60);
+lean_dec(x_55);
+x_61 = l_Lean_LocalDecl_fvarId(x_54);
 lean_dec(x_54);
-x_60 = l_Lean_LocalDecl_fvarId(x_53);
-lean_dec(x_53);
-x_61 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+x_62 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+lean_inc(x_2);
+x_63 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1), 8, 3);
+lean_closure_set(x_63, 0, x_2);
+lean_closure_set(x_63, 1, x_61);
+lean_closure_set(x_63, 2, x_62);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_2);
-x_62 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_60, x_61, x_9, x_10, x_11, x_12, x_59);
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-if (lean_obj_tag(x_63) == 0)
+x_64 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(x_63, x_9, x_10, x_11, x_12, x_60);
+x_65 = lean_ctor_get(x_64, 0);
+lean_inc(x_65);
+if (lean_obj_tag(x_65) == 0)
 {
-lean_object* x_64; lean_object* x_65; 
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
-lean_dec(x_62);
-lean_inc(x_3);
-x_65 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_65, 0, x_3);
-x_19 = x_65;
-x_20 = x_64;
-goto block_29;
-}
-else
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_66 = lean_ctor_get(x_62, 1);
+lean_object* x_66; lean_object* x_67; 
+x_66 = lean_ctor_get(x_64, 1);
 lean_inc(x_66);
-lean_dec(x_62);
+lean_dec(x_64);
+lean_inc(x_3);
 x_67 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_67, 0, x_63);
-x_68 = lean_box(0);
-x_69 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_69, 0, x_67);
-lean_ctor_set(x_69, 1, x_68);
-x_70 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_70, 0, x_69);
-x_19 = x_70;
+lean_ctor_set(x_67, 0, x_3);
+x_19 = x_67;
 x_20 = x_66;
 goto block_29;
 }
+else
+{
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_68 = lean_ctor_get(x_64, 1);
+lean_inc(x_68);
+lean_dec(x_64);
+x_69 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_69, 0, x_65);
+x_70 = lean_box(0);
+x_71 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_69);
+lean_ctor_set(x_71, 1, x_70);
+x_72 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_72, 0, x_71);
+x_19 = x_72;
+x_20 = x_68;
+goto block_29;
+}
 }
 }
 else
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-lean_dec(x_53);
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+lean_dec(x_54);
 lean_dec(x_18);
 lean_dec(x_17);
 lean_dec(x_12);
@@ -13932,26 +13908,26 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_71 = lean_ctor_get(x_54, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_54, 1);
-lean_inc(x_72);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- x_73 = x_54;
+x_73 = lean_ctor_get(x_55, 0);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_55, 1);
+lean_inc(x_74);
+if (lean_is_exclusive(x_55)) {
+ lean_ctor_release(x_55, 0);
+ lean_ctor_release(x_55, 1);
+ x_75 = x_55;
 } else {
- lean_dec_ref(x_54);
- x_73 = lean_box(0);
+ lean_dec_ref(x_55);
+ x_75 = lean_box(0);
 }
-if (lean_is_scalar(x_73)) {
- x_74 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_75)) {
+ x_76 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_74 = x_73;
+ x_76 = x_75;
 }
-lean_ctor_set(x_74, 0, x_71);
-lean_ctor_set(x_74, 1, x_72);
-return x_74;
+lean_ctor_set(x_76, 0, x_73);
+lean_ctor_set(x_76, 1, x_74);
+return x_76;
 }
 }
 }
@@ -14008,7 +13984,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
@@ -14020,7 +13996,7 @@ lean_ctor_set(x_9, 1, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 if (lean_obj_tag(x_5) == 0)
@@ -14041,7 +14017,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_18 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_4, x_13, x_12, x_16, x_17, x_14, x_7, x_8, x_9, x_10, x_11);
+x_18 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_13, x_12, x_16, x_17, x_14, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_12);
 if (lean_obj_tag(x_18) == 0)
 {
@@ -14060,7 +14036,7 @@ x_22 = lean_ctor_get(x_19, 1);
 lean_inc(x_22);
 lean_dec(x_19);
 x_23 = lean_box(0);
-x_24 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_22, x_23, x_7, x_8, x_9, x_10, x_21);
+x_24 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1(x_22, x_23, x_7, x_8, x_9, x_10, x_21);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -14149,7 +14125,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_41 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(x_1, x_2, x_3, x_36, x_35, x_39, x_40, x_37, x_7, x_8, x_9, x_10, x_11);
+x_41 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_36, x_35, x_39, x_40, x_37, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_35);
 if (lean_obj_tag(x_41) == 0)
 {
@@ -14168,7 +14144,7 @@ x_45 = lean_ctor_get(x_42, 1);
 lean_inc(x_45);
 lean_dec(x_42);
 x_46 = lean_box(0);
-x_47 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_45, x_46, x_7, x_8, x_9, x_10, x_44);
+x_47 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1(x_45, x_46, x_7, x_8, x_9, x_10, x_44);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -14240,7 +14216,7 @@ return x_57;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -14324,57 +14300,61 @@ goto block_30;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
 x_39 = lean_ctor_get(x_34, 1);
 lean_inc(x_39);
 lean_dec(x_34);
 x_40 = l_Lean_LocalDecl_fvarId(x_33);
 lean_dec(x_33);
 x_41 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+lean_inc(x_2);
+x_42 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1), 8, 3);
+lean_closure_set(x_42, 0, x_2);
+lean_closure_set(x_42, 1, x_40);
+lean_closure_set(x_42, 2, x_41);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_2);
-x_42 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_40, x_41, x_9, x_10, x_11, x_12, x_39);
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-if (lean_obj_tag(x_43) == 0)
-{
-lean_object* x_44; lean_object* x_45; 
-lean_free_object(x_16);
-x_44 = lean_ctor_get(x_42, 1);
+x_43 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(x_42, x_9, x_10, x_11, x_12, x_39);
+x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
-lean_dec(x_42);
+if (lean_obj_tag(x_44) == 0)
+{
+lean_object* x_45; lean_object* x_46; 
+lean_free_object(x_16);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
 lean_inc(x_3);
-x_45 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_45, 0, x_3);
-x_19 = x_45;
-x_20 = x_44;
+x_46 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_46, 0, x_3);
+x_19 = x_46;
+x_20 = x_45;
 goto block_30;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-lean_ctor_set(x_16, 0, x_43);
-x_47 = lean_box(0);
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_16);
-lean_ctor_set(x_48, 1, x_47);
-x_49 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_49, 0, x_48);
-x_19 = x_49;
-x_20 = x_46;
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_47 = lean_ctor_get(x_43, 1);
+lean_inc(x_47);
+lean_dec(x_43);
+lean_ctor_set(x_16, 0, x_44);
+x_48 = lean_box(0);
+x_49 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_49, 0, x_16);
+lean_ctor_set(x_49, 1, x_48);
+x_50 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_50, 0, x_49);
+x_19 = x_50;
+x_20 = x_47;
 goto block_30;
 }
 }
 }
 else
 {
-uint8_t x_50; 
+uint8_t x_51; 
 lean_free_object(x_16);
 lean_dec(x_33);
 lean_dec(x_18);
@@ -14387,114 +14367,118 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_50 = !lean_is_exclusive(x_34);
-if (x_50 == 0)
+x_51 = !lean_is_exclusive(x_34);
+if (x_51 == 0)
 {
 return x_34;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_34, 0);
-x_52 = lean_ctor_get(x_34, 1);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_34, 0);
+x_53 = lean_ctor_get(x_34, 1);
+lean_inc(x_53);
 lean_inc(x_52);
-lean_inc(x_51);
 lean_dec(x_34);
-x_53 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
 }
 }
 }
 else
 {
-lean_object* x_54; lean_object* x_55; 
-x_54 = lean_ctor_get(x_16, 0);
-lean_inc(x_54);
+lean_object* x_55; lean_object* x_56; 
+x_55 = lean_ctor_get(x_16, 0);
+lean_inc(x_55);
 lean_dec(x_16);
 lean_inc(x_1);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_54);
-x_55 = lean_apply_6(x_1, x_54, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_55) == 0)
+lean_inc(x_55);
+x_56 = lean_apply_6(x_1, x_55, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_56) == 0)
 {
-lean_object* x_56; uint8_t x_57; 
-x_56 = lean_ctor_get(x_55, 0);
-lean_inc(x_56);
-x_57 = lean_unbox(x_56);
-lean_dec(x_56);
-if (x_57 == 0)
+lean_object* x_57; uint8_t x_58; 
+x_57 = lean_ctor_get(x_56, 0);
+lean_inc(x_57);
+x_58 = lean_unbox(x_57);
+lean_dec(x_57);
+if (x_58 == 0)
 {
-lean_object* x_58; lean_object* x_59; 
-lean_dec(x_54);
-x_58 = lean_ctor_get(x_55, 1);
-lean_inc(x_58);
+lean_object* x_59; lean_object* x_60; 
 lean_dec(x_55);
+x_59 = lean_ctor_get(x_56, 1);
+lean_inc(x_59);
+lean_dec(x_56);
 lean_inc(x_3);
-x_59 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_59, 0, x_3);
-x_19 = x_59;
-x_20 = x_58;
+x_60 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_60, 0, x_3);
+x_19 = x_60;
+x_20 = x_59;
 goto block_30;
 }
 else
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_60 = lean_ctor_get(x_55, 1);
-lean_inc(x_60);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_61 = lean_ctor_get(x_56, 1);
+lean_inc(x_61);
+lean_dec(x_56);
+x_62 = l_Lean_LocalDecl_fvarId(x_55);
 lean_dec(x_55);
-x_61 = l_Lean_LocalDecl_fvarId(x_54);
-lean_dec(x_54);
-x_62 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+x_63 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg___closed__1;
+lean_inc(x_2);
+x_64 = lean_alloc_closure((void*)(l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___lambda__1), 8, 3);
+lean_closure_set(x_64, 0, x_2);
+lean_closure_set(x_64, 1, x_62);
+lean_closure_set(x_64, 2, x_63);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_2);
-x_63 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_61, x_62, x_9, x_10, x_11, x_12, x_60);
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-if (lean_obj_tag(x_64) == 0)
+x_65 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(x_64, x_9, x_10, x_11, x_12, x_61);
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+if (lean_obj_tag(x_66) == 0)
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = lean_ctor_get(x_63, 1);
-lean_inc(x_65);
-lean_dec(x_63);
-lean_inc(x_3);
-x_66 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_66, 0, x_3);
-x_19 = x_66;
-x_20 = x_65;
-goto block_30;
-}
-else
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_63, 1);
+lean_object* x_67; lean_object* x_68; 
+x_67 = lean_ctor_get(x_65, 1);
 lean_inc(x_67);
-lean_dec(x_63);
+lean_dec(x_65);
+lean_inc(x_3);
 x_68 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_68, 0, x_64);
-x_69 = lean_box(0);
-x_70 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_70, 0, x_68);
-lean_ctor_set(x_70, 1, x_69);
-x_71 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_71, 0, x_70);
-x_19 = x_71;
+lean_ctor_set(x_68, 0, x_3);
+x_19 = x_68;
 x_20 = x_67;
 goto block_30;
 }
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_69 = lean_ctor_get(x_65, 1);
+lean_inc(x_69);
+lean_dec(x_65);
+x_70 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_70, 0, x_66);
+x_71 = lean_box(0);
+x_72 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_72, 0, x_70);
+lean_ctor_set(x_72, 1, x_71);
+x_73 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_73, 0, x_72);
+x_19 = x_73;
+x_20 = x_69;
+goto block_30;
+}
 }
 }
 else
 {
-lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-lean_dec(x_54);
+lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+lean_dec(x_55);
 lean_dec(x_18);
 lean_dec(x_17);
 lean_dec(x_12);
@@ -14505,26 +14489,26 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_72 = lean_ctor_get(x_55, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_55, 1);
-lean_inc(x_73);
-if (lean_is_exclusive(x_55)) {
- lean_ctor_release(x_55, 0);
- lean_ctor_release(x_55, 1);
- x_74 = x_55;
+x_74 = lean_ctor_get(x_56, 0);
+lean_inc(x_74);
+x_75 = lean_ctor_get(x_56, 1);
+lean_inc(x_75);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_76 = x_56;
 } else {
- lean_dec_ref(x_55);
- x_74 = lean_box(0);
+ lean_dec_ref(x_56);
+ x_76 = lean_box(0);
 }
-if (lean_is_scalar(x_74)) {
- x_75 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_76)) {
+ x_77 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_75 = x_74;
+ x_77 = x_76;
 }
-lean_ctor_set(x_75, 0, x_72);
-lean_ctor_set(x_75, 1, x_73);
-return x_75;
+lean_ctor_set(x_77, 0, x_74);
+lean_ctor_set(x_77, 1, x_75);
+return x_77;
 }
 }
 }
@@ -14584,7 +14568,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -14594,7 +14578,7 @@ lean_ctor_set(x_8, 1, x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; lean_object* x_12; 
@@ -14608,7 +14592,7 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_12 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_5, x_11, x_5, x_6, x_7, x_8, x_9, x_10);
+x_12 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4(x_1, x_2, x_3, x_5, x_11, x_5, x_6, x_7, x_8, x_9, x_10);
 if (lean_obj_tag(x_12) == 0)
 {
 lean_object* x_13; 
@@ -14672,7 +14656,7 @@ x_25 = lean_array_get_size(x_22);
 x_26 = lean_usize_of_nat(x_25);
 lean_dec(x_25);
 x_27 = 0;
-x_28 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(x_1, x_2, x_3, x_23, x_22, x_26, x_27, x_24, x_6, x_7, x_8, x_9, x_20);
+x_28 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(x_1, x_2, x_3, x_23, x_22, x_26, x_27, x_24, x_6, x_7, x_8, x_9, x_20);
 lean_dec(x_22);
 if (lean_obj_tag(x_28) == 0)
 {
@@ -14822,7 +14806,7 @@ x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
 x_11 = l_Lean_MVarId_casesRec___lambda__1___closed__1;
-x_12 = l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(x_1, x_2, x_11, x_10, x_11, x_3, x_4, x_5, x_6, x_7);
+x_12 = l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3(x_1, x_2, x_11, x_10, x_11, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_12) == 0)
 {
 lean_object* x_13; lean_object* x_14; 
@@ -14932,7 +14916,7 @@ x_9 = l_Lean_Meta_saturate(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 size_t x_15; size_t x_16; lean_object* x_17; 
@@ -14940,11 +14924,37 @@ x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
 x_16 = lean_unbox_usize(x_8);
 lean_dec(x_8);
-x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
+x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_6);
 return x_17;
 }
 }
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+size_t x_14; size_t x_15; lean_object* x_16; 
+x_14 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_15 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_5);
+return x_16;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
@@ -14958,37 +14968,11 @@ lean_dec(x_5);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
-_start:
-{
-size_t x_14; size_t x_15; lean_object* x_16; 
-x_14 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_15 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_5);
-return x_16;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__3___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Congr.c b/stage0/stdlib/Lean/Meta/Tactic/Congr.c
index 8d5215ea78..ba9d48ac47 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Congr.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Congr.c
@@ -22,6 +22,7 @@ lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_congr_x3f___closed__2;
 lean_object* l_Lean_MVarId_assert(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkConstWithFreshMVarLevels(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_congrImplies_x3f___closed__1;
 LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Tactic_Congr_0__Lean_congrPost___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
@@ -55,12 +56,13 @@ LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Tactic_
 lean_object* l_Lean_MVarId_heqOfEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_cleanupAnnotations(lean_object*);
 LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Tactic_Congr_0__Lean_congrPost___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHCongr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assumptionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_tryClear(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congrN_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -72,6 +74,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Congr_0__Lean_congrPost(le
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_congr_x3f___lambda__2___closed__2;
+lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_congr___closed__2;
 lean_object* l_Lean_MVarId_hrefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -85,6 +88,7 @@ LEAN_EXPORT lean_object* l_Lean_MVarId_congr(lean_object*, uint8_t, lean_object*
 static lean_object* l_Lean_MVarId_congrN___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Congr_0__Lean_applyCongrThm_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congrImplies_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_MVarId_congr_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_MVarId_congrN_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_congrImplies_x3f___lambda__1___closed__1;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
@@ -92,11 +96,13 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f___at_Lean_MVarId_congr_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congrN_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Congr_0__Lean_applyCongrThm_x3f___closed__2;
 static lean_object* l_Lean_MVarId_congr_x3f___lambda__2___closed__1;
+lean_object* l_Lean_MVarId_eqOfHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Tactic_Congr_0__Lean_congrPost___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
@@ -924,6 +930,214 @@ return x_41;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_MVarId_congr_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_7 = l_Lean_Meta_saveState___rarg(x_3, x_4, x_5, x_6);
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_7, 1);
+lean_inc(x_9);
+lean_dec(x_7);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_10 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_9);
+if (lean_obj_tag(x_10) == 0)
+{
+lean_object* x_11; 
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = l_Lean_Meta_SavedState_restore(x_8, x_2, x_3, x_4, x_5, x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_8);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_13, 0);
+lean_dec(x_15);
+x_16 = lean_box(0);
+lean_ctor_set(x_13, 0, x_16);
+return x_13;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_13, 1);
+lean_inc(x_17);
+lean_dec(x_13);
+x_18 = lean_box(0);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+return x_19;
+}
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_8);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_20 = !lean_is_exclusive(x_10);
+if (x_20 == 0)
+{
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_10, 0);
+lean_dec(x_21);
+x_22 = !lean_is_exclusive(x_11);
+if (x_22 == 0)
+{
+return x_10;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_11, 0);
+lean_inc(x_23);
+lean_dec(x_11);
+x_24 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_10, 0, x_24);
+return x_10;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_25 = lean_ctor_get(x_10, 1);
+lean_inc(x_25);
+lean_dec(x_10);
+x_26 = lean_ctor_get(x_11, 0);
+lean_inc(x_26);
+if (lean_is_exclusive(x_11)) {
+ lean_ctor_release(x_11, 0);
+ x_27 = x_11;
+} else {
+ lean_dec_ref(x_11);
+ x_27 = lean_box(0);
+}
+if (lean_is_scalar(x_27)) {
+ x_28 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_28 = x_27;
+}
+lean_ctor_set(x_28, 0, x_26);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_25);
+return x_29;
+}
+}
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+x_30 = lean_ctor_get(x_10, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_10, 1);
+lean_inc(x_31);
+lean_dec(x_10);
+x_32 = l_Lean_Meta_SavedState_restore(x_8, x_2, x_3, x_4, x_5, x_31);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_8);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f___at_Lean_MVarId_congr_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_commitWhenSome_x3f___at_Lean_MVarId_congr_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_7) == 0)
+{
+uint8_t x_8; 
+x_8 = !lean_is_exclusive(x_7);
+if (x_8 == 0)
+{
+return x_7;
+}
+else
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = lean_ctor_get(x_7, 0);
+x_10 = lean_ctor_get(x_7, 1);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_dec(x_7);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_9);
+lean_ctor_set(x_11, 1, x_10);
+return x_11;
+}
+}
+else
+{
+uint8_t x_12; 
+x_12 = !lean_is_exclusive(x_7);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_7, 0);
+lean_dec(x_13);
+x_14 = lean_box(0);
+lean_ctor_set_tag(x_7, 0);
+lean_ctor_set(x_7, 0, x_14);
+return x_7;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_7, 1);
+lean_inc(x_15);
+lean_dec(x_7);
+x_16 = lean_box(0);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -1352,14 +1566,16 @@ return x_3;
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 x_7 = l_Lean_MVarId_congr_x3f___closed__2;
 lean_inc(x_1);
 x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_congr_x3f___lambda__2), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_7);
-x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
-return x_9;
+x_9 = lean_alloc_closure((void*)(l_Lean_commitWhenSomeNoEx_x3f___at_Lean_MVarId_congr_x3f___spec__1), 6, 1);
+lean_closure_set(x_9, 0, x_8);
+x_10 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_9, x_2, x_3, x_4, x_5, x_6);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_MVarId_congr_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
@@ -1490,7 +1706,165 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_7 = l_Lean_MVarId_getType_x27(x_1, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_7) == 0)
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_7, 1);
+lean_inc(x_9);
+if (lean_is_exclusive(x_7)) {
+ lean_ctor_release(x_7, 0);
+ lean_ctor_release(x_7, 1);
+ x_10 = x_7;
+} else {
+ lean_dec_ref(x_7);
+ x_10 = lean_box(0);
+}
+x_24 = l_Lean_MVarId_hcongr_x3f___lambda__2___closed__2;
+x_25 = lean_unsigned_to_nat(4u);
+x_26 = l_Lean_Expr_isAppOfArity(x_8, x_24, x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; 
+lean_dec(x_8);
+x_27 = lean_box(0);
+x_11 = x_27;
+goto block_23;
+}
+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; lean_object* x_37; lean_object* x_38; 
+x_28 = l_Lean_Expr_appFn_x21(x_8);
+x_29 = l_Lean_Expr_appFn_x21(x_28);
+x_30 = l_Lean_Expr_appFn_x21(x_29);
+x_31 = l_Lean_Expr_appArg_x21(x_30);
+lean_dec(x_30);
+x_32 = l_Lean_Expr_appArg_x21(x_29);
+lean_dec(x_29);
+x_33 = l_Lean_Expr_appArg_x21(x_28);
+lean_dec(x_28);
+x_34 = l_Lean_Expr_appArg_x21(x_8);
+lean_dec(x_8);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_32);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_31);
+lean_ctor_set(x_37, 1, x_36);
+x_38 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_38, 0, x_37);
+x_11 = x_38;
+goto block_23;
+}
+block_23:
+{
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_12 = lean_box(0);
+if (lean_is_scalar(x_10)) {
+ x_13 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_13 = x_10;
+}
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_9);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_14 = lean_ctor_get(x_11, 0);
+lean_inc(x_14);
+lean_dec(x_11);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = l_Lean_Expr_cleanupAnnotations(x_16);
+x_18 = l_Lean_Expr_isApp(x_17);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; 
+lean_dec(x_17);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_19 = lean_box(0);
+if (lean_is_scalar(x_10)) {
+ x_20 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_20 = x_10;
+}
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_9);
+return x_20;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; 
+lean_dec(x_10);
+x_21 = lean_box(0);
+x_22 = l_Lean_MVarId_hcongr_x3f___lambda__1(x_17, x_1, x_21, x_2, x_3, x_4, x_5, x_9);
+lean_dec(x_17);
+return x_22;
+}
+}
+}
+}
+else
+{
+uint8_t x_39; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_39 = !lean_is_exclusive(x_7);
+if (x_39 == 0)
+{
+return x_7;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_7, 0);
+x_41 = lean_ctor_get(x_7, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_7);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_MVarId_hcongr_x3f___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -1508,180 +1882,73 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_1);
-x_10 = l_Lean_MVarId_getType_x27(x_1, x_3, x_4, x_5, x_6, x_9);
+x_10 = l_Lean_MVarId_eqOfHEq(x_1, x_3, x_4, x_5, x_6, x_9);
 if (lean_obj_tag(x_10) == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
 x_11 = lean_ctor_get(x_10, 0);
 lean_inc(x_11);
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
-if (lean_is_exclusive(x_10)) {
- lean_ctor_release(x_10, 0);
- lean_ctor_release(x_10, 1);
- x_13 = x_10;
-} else {
- lean_dec_ref(x_10);
- x_13 = lean_box(0);
-}
-x_27 = l_Lean_MVarId_hcongr_x3f___lambda__2___closed__2;
-x_28 = lean_unsigned_to_nat(4u);
-x_29 = l_Lean_Expr_isAppOfArity(x_11, x_27, x_28);
-if (x_29 == 0)
-{
-lean_object* x_30; 
-lean_dec(x_11);
-x_30 = lean_box(0);
-x_14 = x_30;
-goto block_26;
+lean_dec(x_10);
+lean_inc(x_11);
+x_13 = lean_alloc_closure((void*)(l_Lean_MVarId_hcongr_x3f___lambda__2), 6, 1);
+lean_closure_set(x_13, 0, x_11);
+x_14 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_11, x_13, x_3, x_4, x_5, x_6, x_12);
+return x_14;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_31 = l_Lean_Expr_appFn_x21(x_11);
-x_32 = l_Lean_Expr_appFn_x21(x_31);
-x_33 = l_Lean_Expr_appFn_x21(x_32);
-x_34 = l_Lean_Expr_appArg_x21(x_33);
-lean_dec(x_33);
-x_35 = l_Lean_Expr_appArg_x21(x_32);
-lean_dec(x_32);
-x_36 = l_Lean_Expr_appArg_x21(x_31);
-lean_dec(x_31);
-x_37 = l_Lean_Expr_appArg_x21(x_11);
-lean_dec(x_11);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_35);
-lean_ctor_set(x_39, 1, x_38);
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_34);
-lean_ctor_set(x_40, 1, x_39);
-x_41 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_41, 0, x_40);
-x_14 = x_41;
-goto block_26;
-}
-block_26:
-{
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; 
+uint8_t x_15; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_1);
-x_15 = lean_box(0);
-if (lean_is_scalar(x_13)) {
- x_16 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_16 = x_13;
-}
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_12);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = l_Lean_Expr_cleanupAnnotations(x_19);
-x_21 = l_Lean_Expr_isApp(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-lean_dec(x_20);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_22 = lean_box(0);
-if (lean_is_scalar(x_13)) {
- x_23 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_23 = x_13;
-}
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_12);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; 
-lean_dec(x_13);
-x_24 = lean_box(0);
-x_25 = l_Lean_MVarId_hcongr_x3f___lambda__1(x_20, x_1, x_24, x_3, x_4, x_5, x_6, x_12);
-lean_dec(x_20);
-return x_25;
-}
-}
-}
-}
-else
-{
-uint8_t x_42; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_42 = !lean_is_exclusive(x_10);
-if (x_42 == 0)
+x_15 = !lean_is_exclusive(x_10);
+if (x_15 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_10, 0);
-x_44 = lean_ctor_get(x_10, 1);
-lean_inc(x_44);
-lean_inc(x_43);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_10, 0);
+x_17 = lean_ctor_get(x_10, 1);
+lean_inc(x_17);
+lean_inc(x_16);
 lean_dec(x_10);
-x_45 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
+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;
 }
 }
 }
 else
 {
-uint8_t x_46; 
+uint8_t x_19; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_46 = !lean_is_exclusive(x_8);
-if (x_46 == 0)
+x_19 = !lean_is_exclusive(x_8);
+if (x_19 == 0)
 {
 return x_8;
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_8, 0);
-x_48 = lean_ctor_get(x_8, 1);
-lean_inc(x_48);
-lean_inc(x_47);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_8, 0);
+x_21 = lean_ctor_get(x_8, 1);
+lean_inc(x_21);
+lean_inc(x_20);
 lean_dec(x_8);
-x_49 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-return x_49;
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
@@ -1691,11 +1958,10 @@ _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 x_7 = l_Lean_MVarId_congr_x3f___closed__2;
-lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_hcongr_x3f___lambda__2), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_hcongr_x3f___lambda__3), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_7);
-x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
+x_9 = l_Lean_commitWhenSomeNoEx_x3f___at_Lean_MVarId_congr_x3f___spec__1(x_8, x_2, x_3, x_4, x_5, x_6);
 return x_9;
 }
 }
@@ -2127,7 +2393,7 @@ x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 if (lean_obj_tag(x_9) == 0)
 {
-lean_object* x_10; lean_object* x_11; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
@@ -2137,9 +2403,6 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
 x_11 = l_Lean_MVarId_hcongr_x3f(x_1, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; 
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 if (lean_obj_tag(x_12) == 0)
@@ -2216,71 +2479,43 @@ return x_29;
 }
 else
 {
-uint8_t x_30; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
 lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_11);
-if (x_30 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_11, 0);
-x_32 = lean_ctor_get(x_11, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_11);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
-}
-}
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-lean_dec(x_1);
-x_34 = lean_ctor_get(x_8, 1);
-lean_inc(x_34);
+x_30 = lean_ctor_get(x_8, 1);
+lean_inc(x_30);
 lean_dec(x_8);
-x_35 = lean_ctor_get(x_9, 0);
-lean_inc(x_35);
+x_31 = lean_ctor_get(x_9, 0);
+lean_inc(x_31);
 lean_dec(x_9);
-x_36 = l_Lean_MVarId_congr___lambda__1(x_2, x_35, x_3, x_4, x_5, x_6, x_34);
-return x_36;
+x_32 = l_Lean_MVarId_congr___lambda__1(x_2, x_31, x_3, x_4, x_5, x_6, x_30);
+return x_32;
 }
 }
 else
 {
-uint8_t x_37; 
+uint8_t x_33; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_37 = !lean_is_exclusive(x_8);
-if (x_37 == 0)
+x_33 = !lean_is_exclusive(x_8);
+if (x_33 == 0)
 {
 return x_8;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_8, 0);
-x_39 = lean_ctor_get(x_8, 1);
-lean_inc(x_39);
-lean_inc(x_38);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_8, 0);
+x_35 = lean_ctor_get(x_8, 1);
+lean_inc(x_35);
+lean_inc(x_34);
 lean_dec(x_8);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
+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;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
index 4fd399ff45..b889361f80 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
@@ -13,6 +13,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_contradictionCore___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
@@ -21,18 +23,18 @@ lean_object* l_Lean_registerTraceClass(lean_object*, uint8_t, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8;
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_ElimEmptyInductive_elim___spec__3(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7;
 lean_object* l_Lean_hasAssignableMVar___at_Lean_Meta_SynthInstance_tryResolve___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__3;
 LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_genDiseq___default;
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_find(lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3;
 uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4;
 lean_object* l_Lean_Meta_saveState___boxed(lean_object*);
@@ -47,13 +49,13 @@ static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___closed__2;
 lean_object* l_Lean_Name_mkStr3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_contradiction___closed__2;
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__2;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___boxed__const__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -66,7 +68,6 @@ lean_object* l_Lean_Meta_mkDecide(lean_object*, lean_object*, lean_object*, lean
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_matchNot_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6;
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
@@ -76,16 +77,13 @@ lean_object* l_Lean_Expr_FindImpl_findUnsafe_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateRefT_x27_lift___rarg___boxed(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1;
 uint8_t l_Lean_Expr_isHEq(lean_object*);
 extern lean_object* l_Lean_inheritedTraceOptions;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_isElimEmptyInductiveCandidate(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___closed__1;
@@ -101,11 +99,12 @@ lean_object* l_Lean_Meta_FVarSubst_apply(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
@@ -113,13 +112,13 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Contradiction_Config_searchFuel___default;
 lean_object* l_Nat_repr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__1;
 lean_object* l_Lean_Meta_mkAbsurd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_sort___override(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_findLocalDeclWithType_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_instApplicativeReaderT___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3;
@@ -130,6 +129,7 @@ lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1;
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -167,9 +167,9 @@ lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_o
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM;
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_isGenDiseq___boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -187,7 +187,6 @@ uint8_t l___private_Lean_Util_Trace_0__Lean_checkTraceOption(lean_object*, lean_
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -224,17 +223,18 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore_
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_mkGenDiseqMask___boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallMetaTelescope(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__3;
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7;
 lean_object* l_ReaderT_instMonadReaderT___rarg(lean_object*);
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1;
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6;
+static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -256,7 +256,6 @@ static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nest
 lean_object* l_Lean_Meta_matchHEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Exception_toMessageData(lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
-static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5;
 static uint8_t _init_l_Lean_Meta_Contradiction_Config_useDecide___default() {
 _start:
 {
@@ -2051,354 +2050,6 @@ return x_38;
 }
 }
 }
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1() {
-_start:
-{
-uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = 0;
-x_2 = lean_box(0);
-x_3 = lean_box(x_1);
-x_4 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_4, 0, x_3);
-lean_ctor_set(x_4, 1, x_2);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; 
-x_8 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1;
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_8);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Meta", 4);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Tactic", 6);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("contradiction", 13);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1;
-x_2 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2;
-x_3 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3;
-x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
-return x_4;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___boxed), 7, 0);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("", 0);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_10 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_5, x_6, x_7, x_8, x_9);
-if (lean_obj_tag(x_10) == 0)
-{
-uint8_t x_11; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_12);
-lean_ctor_set(x_14, 1, x_13);
-lean_ctor_set(x_10, 0, x_14);
-return x_10;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_15 = lean_ctor_get(x_10, 0);
-x_16 = lean_ctor_get(x_10, 1);
-lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_10);
-x_17 = lean_box(0);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_15);
-lean_ctor_set(x_18, 1, x_17);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_16);
-return x_19;
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-x_20 = lean_ctor_get(x_10, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_10, 1);
-lean_inc(x_21);
-lean_dec(x_10);
-x_22 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
-x_23 = l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(x_22, x_4, x_5, x_6, x_7, x_8, x_21);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5;
-x_27 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_27 == 0)
-{
-lean_object* x_28; lean_object* x_29; 
-lean_dec(x_20);
-x_28 = lean_box(0);
-x_29 = lean_apply_7(x_26, x_28, x_4, x_5, x_6, x_7, x_8, x_25);
-return x_29;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_30 = l_Lean_Exception_toMessageData(x_20);
-x_31 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_32, 1, x_30);
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-x_34 = l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6(x_22, x_33, x_4, x_5, x_6, x_7, x_8, x_25);
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 1);
-lean_inc(x_36);
-lean_dec(x_34);
-x_37 = lean_apply_7(x_26, x_35, x_4, x_5, x_6, x_7, x_8, x_36);
-return x_37;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_ctor_get(x_2, 0);
-lean_inc(x_9);
-lean_dec(x_2);
-x_10 = lean_apply_7(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
-return x_10;
-}
-else
-{
-lean_object* x_11; lean_object* x_12; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_2, 0);
-lean_inc(x_11);
-lean_dec(x_2);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_8);
-return x_12;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_11 = lean_alloc_closure((void*)(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2), 9, 3);
-lean_closure_set(x_11, 0, x_1);
-lean_closure_set(x_11, 1, x_2);
-lean_closure_set(x_11, 2, x_4);
-x_12 = lean_alloc_closure((void*)(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__3), 8, 1);
-lean_closure_set(x_12, 0, x_3);
-x_13 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_16 = l_ReaderT_bind___at_Lean_Meta_ElimEmptyInductive_elim___spec__3___rarg(x_11, x_12, x_5, x_6, x_7, x_8, x_9, x_15);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_unbox(x_17);
-lean_dec(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_19 = lean_ctor_get(x_16, 1);
-lean_inc(x_19);
-lean_dec(x_16);
-x_20 = l_Lean_Meta_SavedState_restore(x_14, x_6, x_7, x_8, x_9, x_19);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_14);
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; uint8_t x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_20, 0);
-lean_dec(x_22);
-x_23 = 0;
-x_24 = lean_box(x_23);
-lean_ctor_set(x_20, 0, x_24);
-return x_20;
-}
-else
-{
-lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-lean_dec(x_20);
-x_26 = 0;
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_25);
-return x_28;
-}
-}
-else
-{
-uint8_t x_29; 
-lean_dec(x_14);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_29 = !lean_is_exclusive(x_16);
-if (x_29 == 0)
-{
-lean_object* x_30; uint8_t x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_16, 0);
-lean_dec(x_30);
-x_31 = 1;
-x_32 = lean_box(x_31);
-lean_ctor_set(x_16, 0, x_32);
-return x_16;
-}
-else
-{
-lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
-x_33 = lean_ctor_get(x_16, 1);
-lean_inc(x_33);
-lean_dec(x_16);
-x_34 = 1;
-x_35 = lean_box(x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-x_37 = lean_ctor_get(x_16, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_16, 1);
-lean_inc(x_38);
-lean_dec(x_16);
-x_39 = l_Lean_Meta_SavedState_restore(x_14, x_6, x_7, x_8, x_9, x_38);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_14);
-x_40 = !lean_is_exclusive(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; 
-x_41 = lean_ctor_get(x_39, 0);
-lean_dec(x_41);
-lean_ctor_set_tag(x_39, 1);
-lean_ctor_set(x_39, 0, x_37);
-return x_39;
-}
-else
-{
-lean_object* x_42; lean_object* x_43; 
-x_42 = lean_ctor_get(x_39, 1);
-lean_inc(x_42);
-lean_dec(x_39);
-x_43 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_43, 0, x_37);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -2534,15 +2185,67 @@ static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___clos
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("elimEmptyInductive, number subgoals: ", 37);
+x_1 = lean_mk_string_from_bytes("Meta", 4);
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Tactic", 6);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("contradiction", 13);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__1;
+x_2 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2;
+x_3 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3;
+x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("elimEmptyInductive, number subgoals: ", 37);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("", 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
@@ -2551,7 +2254,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3(lean_ob
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_8 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
+x_8 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4;
 x_9 = l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(x_8, x_2, x_3, x_4, x_5, x_6, x_7);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
@@ -2579,11 +2282,11 @@ x_18 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_18, 0, x_17);
 x_19 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_19, 0, x_18);
-x_20 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2;
+x_20 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6;
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_20);
 lean_ctor_set(x_21, 1, x_19);
-x_22 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7;
+x_22 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8;
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
@@ -2602,15 +2305,174 @@ return x_27;
 static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1() {
 _start:
 {
+uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = 0;
+x_2 = lean_box(0);
+x_3 = lean_box(x_1);
+x_4 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_4, 0, x_3);
+lean_ctor_set(x_4, 1, x_2);
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; 
+x_8 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1;
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___boxed), 7, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_10 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_10) == 0)
+{
+uint8_t x_11; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_10, 0);
+x_13 = lean_box(0);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_12);
+lean_ctor_set(x_14, 1, x_13);
+lean_ctor_set(x_10, 0, x_14);
+return x_10;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_10, 0);
+x_16 = lean_ctor_get(x_10, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_10);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_15);
+lean_ctor_set(x_18, 1, x_17);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_16);
+return x_19;
+}
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_20 = lean_ctor_get(x_10, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_10, 1);
+lean_inc(x_21);
+lean_dec(x_10);
+x_22 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4;
+x_23 = l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(x_22, x_4, x_5, x_6, x_7, x_8, x_21);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
+lean_inc(x_25);
+lean_dec(x_23);
+x_26 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1;
+x_27 = lean_unbox(x_24);
+lean_dec(x_24);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; 
+lean_dec(x_20);
+x_28 = lean_box(0);
+x_29 = lean_apply_7(x_26, x_28, x_4, x_5, x_6, x_7, x_8, x_25);
+return x_29;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_30 = l_Lean_Exception_toMessageData(x_20);
+x_31 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_30);
+x_33 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_31);
+x_34 = l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6(x_22, x_33, x_4, x_5, x_6, x_7, x_8, x_25);
+x_35 = lean_ctor_get(x_34, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = lean_apply_7(x_26, x_35, x_4, x_5, x_6, x_7, x_8, x_36);
+return x_37;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_9; lean_object* x_10; 
+x_9 = lean_ctor_get(x_2, 0);
+lean_inc(x_9);
+lean_dec(x_2);
+x_10 = lean_apply_7(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_2, 0);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
+return x_12;
+}
+}
+}
+static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1() {
+_start:
+{
 lean_object* x_1; 
 x_1 = lean_alloc_closure((void*)(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___boxed), 7, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
 lean_dec(x_3);
 x_10 = lean_st_ref_get(x_8, x_9);
 x_11 = lean_ctor_get(x_10, 1);
@@ -2629,10 +2491,19 @@ x_17 = lean_st_ref_set(x_4, x_16, x_14);
 x_18 = lean_ctor_get(x_17, 1);
 lean_inc(x_18);
 lean_dec(x_17);
-x_19 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1;
+x_19 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1;
 x_20 = l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___closed__1;
-x_21 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8(x_1, x_2, x_19, x_20, x_4, x_5, x_6, x_7, x_8, x_18);
-return x_21;
+x_21 = lean_alloc_closure((void*)(l_Lean_Meta_ElimEmptyInductive_elim___lambda__5), 9, 3);
+lean_closure_set(x_21, 0, x_1);
+lean_closure_set(x_21, 1, x_2);
+lean_closure_set(x_21, 2, x_20);
+x_22 = lean_alloc_closure((void*)(l_Lean_Meta_ElimEmptyInductive_elim___lambda__6), 8, 1);
+lean_closure_set(x_22, 0, x_19);
+x_23 = lean_alloc_closure((void*)(l_ReaderT_bind___at_Lean_Meta_ElimEmptyInductive_elim___spec__3___rarg), 8, 2);
+lean_closure_set(x_23, 0, x_21);
+lean_closure_set(x_23, 1, x_22);
+x_24 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7(x_23, x_4, x_5, x_6, x_7, x_8, x_18);
+return x_24;
 }
 }
 static lean_object* _init_l_Lean_Meta_ElimEmptyInductive_elim___closed__1() {
@@ -2673,7 +2544,7 @@ if (x_15 == 0)
 {
 lean_object* x_16; lean_object* x_17; 
 x_16 = lean_box(0);
-x_17 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(x_1, x_2, x_16, x_3, x_4, x_5, x_6, x_7, x_13);
+x_17 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__7(x_1, x_2, x_16, x_3, x_4, x_5, x_6, x_7, x_13);
 return x_17;
 }
 else
@@ -2681,7 +2552,7 @@ else
 lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_18 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
+x_18 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4;
 x_19 = l_Lean_isTracingEnabledFor___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(x_18, x_3, x_4, x_5, x_6, x_7, x_13);
 x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
@@ -2790,20 +2661,6 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -2837,6 +2694,20 @@ lean_dec(x_1);
 return x_8;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -2968,194 +2839,128 @@ return x_37;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_20; 
-x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; 
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_9 = l_Lean_MVarId_exfalso(x_1, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_st_mk_ref(x_2, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
 lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_20 = l_Lean_MVarId_exfalso(x_1, x_4, x_5, x_6, x_7, x_11);
-if (lean_obj_tag(x_20) == 0)
+lean_inc(x_15);
+x_17 = l_Lean_Meta_ElimEmptyInductive_elim(x_10, x_3, x_15, x_4, x_5, x_6, x_7, x_16);
+if (lean_obj_tag(x_17) == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_21 = lean_ctor_get(x_20, 0);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_st_ref_get(x_7, x_19);
+lean_dec(x_7);
+x_21 = lean_ctor_get(x_20, 1);
 lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
 lean_dec(x_20);
-x_23 = lean_st_ref_get(x_7, x_22);
-x_24 = lean_ctor_get(x_23, 1);
-lean_inc(x_24);
-lean_dec(x_23);
-x_25 = lean_st_mk_ref(x_3, x_24);
-x_26 = lean_ctor_get(x_25, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_25, 1);
-lean_inc(x_27);
-lean_dec(x_25);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_26);
-x_28 = l_Lean_Meta_ElimEmptyInductive_elim(x_21, x_2, x_26, x_4, x_5, x_6, x_7, x_27);
-if (lean_obj_tag(x_28) == 0)
+x_22 = lean_st_ref_get(x_15, x_21);
+lean_dec(x_15);
+x_23 = !lean_is_exclusive(x_22);
+if (x_23 == 0)
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_29 = lean_ctor_get(x_28, 0);
+lean_object* x_24; 
+x_24 = lean_ctor_get(x_22, 0);
+lean_dec(x_24);
+lean_ctor_set(x_22, 0, x_18);
+return x_22;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_ctor_get(x_22, 1);
+lean_inc(x_25);
+lean_dec(x_22);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_18);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
+}
+}
+else
+{
+uint8_t x_27; 
+lean_dec(x_15);
+lean_dec(x_7);
+x_27 = !lean_is_exclusive(x_17);
+if (x_27 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_17, 0);
+x_29 = lean_ctor_get(x_17, 1);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_28, 1);
-lean_inc(x_30);
-lean_dec(x_28);
-x_31 = lean_st_ref_get(x_7, x_30);
-x_32 = lean_ctor_get(x_31, 1);
-lean_inc(x_32);
-lean_dec(x_31);
-x_33 = lean_st_ref_get(x_26, x_32);
-lean_dec(x_26);
-x_34 = lean_unbox(x_29);
-lean_dec(x_29);
-if (x_34 == 0)
+lean_inc(x_28);
+lean_dec(x_17);
+x_30 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+return x_30;
+}
+}
+}
+else
 {
-lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = lean_ctor_get(x_33, 1);
-lean_inc(x_35);
-lean_dec(x_33);
-x_36 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_35);
+uint8_t x_31; 
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_10);
-x_37 = !lean_is_exclusive(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; uint8_t x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_36, 0);
-lean_dec(x_38);
-x_39 = 0;
-x_40 = lean_box(x_39);
-lean_ctor_set(x_36, 0, x_40);
-return x_36;
-}
-else
-{
-lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; 
-x_41 = lean_ctor_get(x_36, 1);
-lean_inc(x_41);
-lean_dec(x_36);
-x_42 = 0;
-x_43 = lean_box(x_42);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
-}
-}
-else
-{
-uint8_t x_45; 
-lean_dec(x_10);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_45 = !lean_is_exclusive(x_33);
-if (x_45 == 0)
-{
-lean_object* x_46; uint8_t x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_33, 0);
-lean_dec(x_46);
-x_47 = 1;
-x_48 = lean_box(x_47);
-lean_ctor_set(x_33, 0, x_48);
-return x_33;
-}
-else
-{
-lean_object* x_49; uint8_t x_50; lean_object* x_51; lean_object* x_52; 
-x_49 = lean_ctor_get(x_33, 1);
-lean_inc(x_49);
-lean_dec(x_33);
-x_50 = 1;
-x_51 = lean_box(x_50);
-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_53; lean_object* x_54; 
-lean_dec(x_26);
-x_53 = lean_ctor_get(x_28, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_28, 1);
-lean_inc(x_54);
-lean_dec(x_28);
-x_12 = x_53;
-x_13 = x_54;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_55; lean_object* x_56; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_55 = lean_ctor_get(x_20, 0);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_20, 1);
-lean_inc(x_56);
-lean_dec(x_20);
-x_12 = x_55;
-x_13 = x_56;
-goto block_19;
-}
-block_19:
+x_31 = !lean_is_exclusive(x_9);
+if (x_31 == 0)
 {
-lean_object* x_14; uint8_t x_15; 
-x_14 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_10);
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_14, 0);
-lean_dec(x_16);
-lean_ctor_set_tag(x_14, 1);
-lean_ctor_set(x_14, 0, x_12);
-return x_14;
+return x_9;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_14, 1);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_12);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_9, 0);
+x_33 = lean_ctor_get(x_9, 1);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_dec(x_9);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
@@ -3209,17 +3014,21 @@ return x_19;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
 x_20 = lean_ctor_get(x_9, 1);
 lean_inc(x_20);
 lean_dec(x_9);
-x_21 = l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__2(x_2, x_1, x_3, x_4, x_5, x_6, x_7, x_20);
-return x_21;
+x_21 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1), 8, 3);
+lean_closure_set(x_21, 0, x_2);
+lean_closure_set(x_21, 1, x_3);
+lean_closure_set(x_21, 2, x_1);
+x_22 = l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1(x_21, x_4, x_5, x_6, x_7, x_20);
+return x_22;
 }
 }
 else
 {
-uint8_t x_22; 
+uint8_t x_23; 
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -3227,23 +3036,23 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_22 = !lean_is_exclusive(x_9);
-if (x_22 == 0)
+x_23 = !lean_is_exclusive(x_9);
+if (x_23 == 0)
 {
 return x_9;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_9, 0);
-x_24 = lean_ctor_get(x_9, 1);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_9, 0);
+x_25 = lean_ctor_get(x_9, 1);
+lean_inc(x_25);
 lean_inc(x_24);
-lean_inc(x_23);
 lean_dec(x_9);
-x_25 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-return x_25;
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
 }
 }
 }
@@ -3253,7 +3062,7 @@ _start:
 {
 lean_object* x_9; lean_object* x_10; 
 lean_inc(x_1);
-x_9 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1), 8, 3);
+x_9 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__2), 8, 3);
 lean_closure_set(x_9, 0, x_2);
 lean_closure_set(x_9, 1, x_1);
 lean_closure_set(x_9, 2, x_3);
@@ -9392,7 +9201,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3;
+x_2 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
@@ -9554,7 +9363,7 @@ static lean_object* _init_l_Lean_MVarId_contradiction___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6;
+x_1 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
@@ -9673,7 +9482,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradictio
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
-x_2 = l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
+x_2 = l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4;
 x_3 = 0;
 x_4 = l_Lean_registerTraceClass(x_2, x_3, x_1);
 return x_4;
@@ -9747,22 +9556,6 @@ l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___boxe
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___boxed__const__1);
 l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___closed__1 = _init_l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___closed__1();
 lean_mark_persistent(l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___closed__1);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__1);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6);
-l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7 = _init_l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7();
-lean_mark_persistent(l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7);
 l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__1 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__1);
 l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__2 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__2();
@@ -9771,8 +9564,24 @@ l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__1 = _init_l_Lean_Meta_
 lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__1);
 l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2();
 lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__3);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__4);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__5);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__6);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__7);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__8);
 l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1();
 lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__5___closed__1);
+l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1 = _init_l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1();
+lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___lambda__7___closed__1);
 l_Lean_Meta_ElimEmptyInductive_elim___closed__1 = _init_l_Lean_Meta_ElimEmptyInductive_elim___closed__1();
 lean_mark_persistent(l_Lean_Meta_ElimEmptyInductive_elim___closed__1);
 l_Lean_Meta_ElimEmptyInductive_elim___closed__2 = _init_l_Lean_Meta_ElimEmptyInductive_elim___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Refl.c b/stage0/stdlib/Lean/Meta/Tactic/Refl.c
index 3dc0dcd1cc..121bd623f3 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Refl.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Refl.c
@@ -13,6 +13,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l_Lean_MVarId_heqOfEq___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_refl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ofExceptKernelException___at_Lean_MVarId_refl___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshLevelMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -28,24 +29,27 @@ LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_MVarId_refl___spe
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
 lean_object* l_Lean_Name_mkStr2(lean_object*, lean_object*);
-static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MVarId_refl___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+static lean_object* l_Lean_MVarId_heqOfEq___lambda__1___closed__1;
 static lean_object* l_Lean_MVarId_hrefl___lambda__1___closed__2;
-static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1;
+static lean_object* l_Lean_MVarId_heqOfEq___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_refl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__2___closed__5;
 static lean_object* l_Lean_MVarId_refl___lambda__3___closed__6;
 LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_eqOfHEq___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
 static lean_object* l_Lean_MVarId_hrefl___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_MVarId_refl___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_eqOfHEq___lambda__1___closed__2;
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_refl___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_KernelException_toMessageData(lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__3___closed__5;
 static lean_object* l_Lean_MVarId_refl___lambda__2___closed__7;
+LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -55,7 +59,6 @@ uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__1___closed__3;
 static lean_object* l_Lean_MVarId_refl___closed__1;
 static lean_object* l_Lean_MVarId_refl___lambda__4___closed__2;
-static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3;
 lean_object* lean_kernel_is_def_eq(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__2___closed__4;
@@ -76,6 +79,7 @@ LEAN_EXPORT lean_object* l_Lean_MVarId_refl___lambda__1(lean_object*, lean_objec
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Refl_0__Lean_Meta_useKernel___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_refl___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__1___closed__1;
+static lean_object* l_Lean_MVarId_eqOfHEq___lambda__1___closed__1;
 static lean_object* l_Lean_MVarId_refl___lambda__2___closed__1;
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_refl___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -87,11 +91,11 @@ lean_object* l_Lean_MVarId_getType_x27(lean_object*, lean_object*, lean_object*,
 lean_object* l_Lean_Meta_getTransparency(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ofExceptKernelException___at_Lean_MVarId_refl___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_eqOfHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Refl_0__Lean_Meta_useKernel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_hrefl___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_refl___lambda__3___closed__2;
@@ -1126,7 +1130,7 @@ return x_25;
 }
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1() {
+static lean_object* _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1134,17 +1138,17 @@ x_1 = lean_mk_string_from_bytes("heq_of_eq", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2() {
+static lean_object* _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1;
+x_2 = l_Lean_MVarId_heqOfEq___lambda__1___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3() {
+static lean_object* _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__3() {
 _start:
 {
 uint8_t x_1; uint8_t x_2; lean_object* x_3; 
@@ -1156,62 +1160,118 @@ lean_ctor_set_uint8(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_7 = l_Lean_Meta_saveState___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_7 = l_Lean_Meta_mkFreshLevelMVar(x_2, x_3, x_4, x_5, x_6);
 x_8 = lean_ctor_get(x_7, 0);
 lean_inc(x_8);
 x_9 = lean_ctor_get(x_7, 1);
 lean_inc(x_9);
 lean_dec(x_7);
-x_10 = l_Lean_Meta_mkFreshLevelMVar(x_2, x_3, x_4, x_5, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_14, 0, x_11);
-lean_ctor_set(x_14, 1, x_13);
-x_15 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2;
-x_16 = l_Lean_Expr_const___override(x_15, x_14);
-x_17 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3;
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-x_18 = l_Lean_MVarId_apply(x_1, x_16, x_17, x_2, x_3, x_4, x_5, x_12);
-if (lean_obj_tag(x_18) == 0)
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_11, 0, x_8);
+lean_ctor_set(x_11, 1, x_10);
+x_12 = l_Lean_MVarId_heqOfEq___lambda__1___closed__2;
+x_13 = l_Lean_Expr_const___override(x_12, x_11);
+x_14 = l_Lean_MVarId_heqOfEq___lambda__1___closed__3;
+x_15 = l_Lean_MVarId_apply(x_1, x_13, x_14, x_2, x_3, x_4, x_5, x_9);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
 {
-uint8_t x_19; 
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_19 = !lean_is_exclusive(x_18);
-if (x_19 == 0)
+lean_object* x_8; lean_object* x_9; 
+x_8 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1(x_1, x_3, x_4, x_5, x_6, x_7);
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+if (lean_obj_tag(x_9) == 0)
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_18, 0);
-x_21 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_18, 0, x_21);
-return x_18;
+uint8_t x_10; 
+x_10 = !lean_is_exclusive(x_8);
+if (x_10 == 0)
+{
+lean_object* x_11; 
+x_11 = lean_ctor_get(x_8, 0);
+lean_dec(x_11);
+lean_ctor_set(x_8, 0, x_2);
+return x_8;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_18, 0);
-x_23 = lean_ctor_get(x_18, 1);
-lean_inc(x_23);
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_8, 1);
+lean_inc(x_12);
+lean_dec(x_8);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_2);
+lean_ctor_set(x_13, 1, x_12);
+return x_13;
+}
+}
+else
+{
+lean_object* x_14; 
+x_14 = lean_ctor_get(x_9, 0);
+lean_inc(x_14);
+lean_dec(x_9);
+if (lean_obj_tag(x_14) == 0)
+{
+uint8_t x_15; 
+x_15 = !lean_is_exclusive(x_8);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+x_16 = lean_ctor_get(x_8, 0);
+lean_dec(x_16);
+lean_ctor_set(x_8, 0, x_2);
+return x_8;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_8, 1);
+lean_inc(x_17);
+lean_dec(x_8);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_2);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+if (lean_obj_tag(x_19) == 0)
+{
+uint8_t x_20; 
+lean_dec(x_2);
+x_20 = !lean_is_exclusive(x_8);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_8, 0);
+lean_dec(x_21);
+x_22 = lean_ctor_get(x_14, 0);
 lean_inc(x_22);
-lean_dec(x_18);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_22);
+lean_dec(x_14);
+lean_ctor_set(x_8, 0, x_22);
+return x_8;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_8, 1);
+lean_inc(x_23);
+lean_dec(x_8);
+x_24 = lean_ctor_get(x_14, 0);
+lean_inc(x_24);
+lean_dec(x_14);
 x_25 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set(x_25, 1, x_23);
@@ -1220,163 +1280,28 @@ return x_25;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_26 = lean_ctor_get(x_18, 1);
-lean_inc(x_26);
-lean_dec(x_18);
-x_27 = l_Lean_Meta_SavedState_restore(x_8, x_2, x_3, x_4, x_5, x_26);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_8);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
+uint8_t x_26; 
+lean_dec(x_19);
+lean_dec(x_14);
+x_26 = !lean_is_exclusive(x_8);
+if (x_26 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = lean_box(0);
-lean_ctor_set(x_27, 0, x_30);
-return x_27;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_27, 1);
-lean_inc(x_31);
+lean_object* x_27; 
+x_27 = lean_ctor_get(x_8, 0);
 lean_dec(x_27);
-x_32 = lean_box(0);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-return x_33;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_8; 
-lean_inc(x_1);
-x_7 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_7);
-if (x_9 == 0)
-{
-lean_object* x_10; 
-x_10 = lean_ctor_get(x_7, 0);
-lean_dec(x_10);
-lean_ctor_set(x_7, 0, x_1);
-return x_7;
+lean_ctor_set(x_8, 0, x_2);
+return x_8;
 }
 else
 {
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_7, 1);
-lean_inc(x_11);
-lean_dec(x_7);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_1);
-lean_ctor_set(x_12, 1, x_11);
-return x_12;
-}
-}
-else
-{
-lean_object* x_13; 
-x_13 = lean_ctor_get(x_8, 0);
-lean_inc(x_13);
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_8, 1);
+lean_inc(x_28);
 lean_dec(x_8);
-if (lean_obj_tag(x_13) == 0)
-{
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_7);
-if (x_14 == 0)
-{
-lean_object* x_15; 
-x_15 = lean_ctor_get(x_7, 0);
-lean_dec(x_15);
-lean_ctor_set(x_7, 0, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_7, 1);
-lean_inc(x_16);
-lean_dec(x_7);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_1);
-lean_ctor_set(x_17, 1, x_16);
-return x_17;
-}
-}
-else
-{
-lean_object* x_18; 
-x_18 = lean_ctor_get(x_13, 1);
-lean_inc(x_18);
-if (lean_obj_tag(x_18) == 0)
-{
-uint8_t x_19; 
-lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_7);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_7, 0);
-lean_dec(x_20);
-x_21 = lean_ctor_get(x_13, 0);
-lean_inc(x_21);
-lean_dec(x_13);
-lean_ctor_set(x_7, 0, x_21);
-return x_7;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_7, 1);
-lean_inc(x_22);
-lean_dec(x_7);
-x_23 = lean_ctor_get(x_13, 0);
-lean_inc(x_23);
-lean_dec(x_13);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_22);
-return x_24;
-}
-}
-else
-{
-uint8_t x_25; 
-lean_dec(x_18);
-lean_dec(x_13);
-x_25 = !lean_is_exclusive(x_7);
-if (x_25 == 0)
-{
-lean_object* x_26; 
-x_26 = lean_ctor_get(x_7, 0);
-lean_dec(x_26);
-lean_ctor_set(x_7, 0, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_7, 1);
-lean_inc(x_27);
-lean_dec(x_7);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_1);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_2);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
 }
 }
 }
@@ -1386,12 +1311,70 @@ return x_28;
 LEAN_EXPORT lean_object* l_Lean_MVarId_heqOfEq(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 lean_inc(x_1);
 x_7 = lean_alloc_closure((void*)(l_Lean_MVarId_heqOfEq___lambda__1), 6, 1);
 lean_closure_set(x_7, 0, x_1);
-x_8 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
-return x_8;
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_heqOfEq___lambda__2), 7, 2);
+lean_closure_set(x_8, 0, x_7);
+lean_closure_set(x_8, 1, x_1);
+x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
+return x_9;
+}
+}
+static lean_object* _init_l_Lean_MVarId_eqOfHEq___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("eq_of_heq", 9);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_MVarId_eqOfHEq___lambda__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_MVarId_eqOfHEq___lambda__1___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_MVarId_eqOfHEq___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_7 = l_Lean_Meta_mkFreshLevelMVar(x_2, x_3, x_4, x_5, x_6);
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_7, 1);
+lean_inc(x_9);
+lean_dec(x_7);
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_11, 0, x_8);
+lean_ctor_set(x_11, 1, x_10);
+x_12 = l_Lean_MVarId_eqOfHEq___lambda__1___closed__2;
+x_13 = l_Lean_Expr_const___override(x_12, x_11);
+x_14 = l_Lean_MVarId_heqOfEq___lambda__1___closed__3;
+x_15 = l_Lean_MVarId_apply(x_1, x_13, x_14, x_2, x_3, x_4, x_5, x_9);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_MVarId_eqOfHEq(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_inc(x_1);
+x_7 = lean_alloc_closure((void*)(l_Lean_MVarId_eqOfHEq___lambda__1), 6, 1);
+lean_closure_set(x_7, 0, x_1);
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_heqOfEq___lambda__2), 7, 2);
+lean_closure_set(x_8, 0, x_7);
+lean_closure_set(x_8, 1, x_1);
+x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
+return x_9;
 }
 }
 static lean_object* _init_l_Lean_MVarId_hrefl___lambda__1___closed__1() {
@@ -1428,7 +1411,7 @@ lean_ctor_set(x_11, 0, x_8);
 lean_ctor_set(x_11, 1, x_10);
 x_12 = l_Lean_MVarId_hrefl___lambda__1___closed__2;
 x_13 = l_Lean_Expr_const___override(x_12, x_11);
-x_14 = l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3;
+x_14 = l_Lean_MVarId_heqOfEq___lambda__1___closed__3;
 x_15 = l_Lean_MVarId_apply(x_1, x_13, x_14, x_2, x_3, x_4, x_5, x_9);
 return x_15;
 }
@@ -1629,12 +1612,16 @@ l_Lean_MVarId_refl___lambda__4___closed__3 = _init_l_Lean_MVarId_refl___lambda__
 lean_mark_persistent(l_Lean_MVarId_refl___lambda__4___closed__3);
 l_Lean_MVarId_refl___closed__1 = _init_l_Lean_MVarId_refl___closed__1();
 lean_mark_persistent(l_Lean_MVarId_refl___closed__1);
-l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1 = _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__1);
-l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2 = _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__2);
-l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3 = _init_l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_heqOfEq___spec__1___at_Lean_MVarId_heqOfEq___spec__2___closed__3);
+l_Lean_MVarId_heqOfEq___lambda__1___closed__1 = _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_heqOfEq___lambda__1___closed__1);
+l_Lean_MVarId_heqOfEq___lambda__1___closed__2 = _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_MVarId_heqOfEq___lambda__1___closed__2);
+l_Lean_MVarId_heqOfEq___lambda__1___closed__3 = _init_l_Lean_MVarId_heqOfEq___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_MVarId_heqOfEq___lambda__1___closed__3);
+l_Lean_MVarId_eqOfHEq___lambda__1___closed__1 = _init_l_Lean_MVarId_eqOfHEq___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_eqOfHEq___lambda__1___closed__1);
+l_Lean_MVarId_eqOfHEq___lambda__1___closed__2 = _init_l_Lean_MVarId_eqOfHEq___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_MVarId_eqOfHEq___lambda__1___closed__2);
 l_Lean_MVarId_hrefl___lambda__1___closed__1 = _init_l_Lean_MVarId_hrefl___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_MVarId_hrefl___lambda__1___closed__1);
 l_Lean_MVarId_hrefl___lambda__1___closed__2 = _init_l_Lean_MVarId_hrefl___lambda__1___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Split.c b/stage0/stdlib/Lean/Meta/Tactic/Split.c
index f151fcc0e3..b0a9e3a53b 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Split.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Split.c
@@ -41,6 +41,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go(lean_object*, uint8_t, l
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__1;
 static lean_object* l_Lean_Meta_Split_applyMatchSplitter___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Meta_mkSimpCongrTheorem___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Simp_simpMatchCore_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__2;
@@ -80,7 +81,6 @@ extern lean_object* l_instInhabitedNat;
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___closed__4;
 lean_object* l_Lean_Meta_Match_MatcherInfo_getFirstDiscrPos(lean_object*);
-static lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1;
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
@@ -99,6 +99,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Split_applyMatchSplitt
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM_loop___at_Lean_Meta_splitLocalDecl_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___lambda__2___closed__1;
+lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__2___lambda__3___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs___lambda__6___closed__6;
@@ -130,12 +131,13 @@ lean_object* l_Array_zip___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__1___closed__2;
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_simpMatchCore_pre___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_replaceTargetDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_FindImpl_findUnsafe_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_instMonadLiftReaderT(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_isCandidate___lambda__1___boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1;
 uint8_t l_Lean_HashSetImp_contains___at_Lean_CollectFVars_visit___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_withNewAltEqs___spec__2(lean_object*, size_t, size_t, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
@@ -208,7 +210,6 @@ lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, ui
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Split_simpMatch___closed__3;
@@ -264,7 +265,6 @@ lean_object* l_Lean_Meta_mkEqTrans(lean_object*, lean_object*, lean_object*, lea
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_withEqs_go___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f(lean_object*, lean_object*, uint8_t, lean_object*);
-lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_findSplit_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter___lambda__1(lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHEqTrans(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -276,6 +276,7 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedName;
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_substCore_x3f(lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_get_match_equations_for(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -302,7 +303,6 @@ lean_object* l_Lean_Meta_mkEqHEq(lean_object*, lean_object*, lean_object*, lean_
 static lean_object* l_List_foldlM___at_Lean_Meta_Split_applyMatchSplitter___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Split_applyMatchSplitter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_GeneralizeTelescope_generalizeTelescopeAux___spec__1___rarg(lean_object*, uint8_t, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Split_0__Lean_Meta_Split_generalizeMatchDiscrs_mkNewTarget___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_Split_findSplit_x3f_isCandidate___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Level_isZero(lean_object*);
@@ -5795,7 +5795,7 @@ lean_inc(x_5);
 lean_inc(x_20);
 lean_inc(x_29);
 lean_inc(x_30);
-x_32 = l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(x_30, x_29, x_31, x_20, x_25, x_31, x_5, x_6, x_7, x_8, x_28);
+x_32 = l_Lean_Meta_substCore_x3f(x_30, x_29, x_31, x_20, x_25, x_31, x_5, x_6, x_7, x_8, x_28);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 if (lean_obj_tag(x_33) == 0)
@@ -5810,7 +5810,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_20);
 lean_inc(x_30);
-x_35 = l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(x_30, x_29, x_25, x_20, x_25, x_31, x_5, x_6, x_7, x_8, x_34);
+x_35 = l_Lean_Meta_substCore_x3f(x_30, x_29, x_25, x_20, x_25, x_31, x_5, x_6, x_7, x_8, x_34);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 if (lean_obj_tag(x_36) == 0)
@@ -9732,7 +9732,7 @@ lean_dec(x_33);
 lean_dec(x_4);
 lean_dec(x_3);
 x_45 = lean_box(0);
-x_46 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_1, x_45, x_5, x_6, x_7, x_8, x_12);
+x_46 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_45, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_46) == 0)
 {
 lean_object* x_47; 
@@ -9902,7 +9902,7 @@ lean_dec(x_33);
 lean_dec(x_4);
 lean_dec(x_3);
 x_86 = lean_box(0);
-x_87 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_1, x_86, x_5, x_6, x_7, x_8, x_12);
+x_87 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_86, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_87) == 0)
 {
 lean_object* x_88; 
@@ -10138,7 +10138,7 @@ lean_dec(x_127);
 lean_dec(x_4);
 lean_dec(x_3);
 x_139 = lean_box(0);
-x_140 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_1, x_139, x_5, x_6, x_7, x_8, x_12);
+x_140 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_139, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_140) == 0)
 {
 lean_object* x_141; 
@@ -10255,7 +10255,7 @@ lean_dec(x_127);
 lean_dec(x_4);
 lean_dec(x_3);
 x_162 = lean_box(0);
-x_163 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_1, x_162, x_5, x_6, x_7, x_8, x_12);
+x_163 = l_Lean_Meta_splitIfTarget_x3f(x_1, x_162, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_163) == 0)
 {
 lean_object* x_164; 
@@ -10543,7 +10543,7 @@ return x_36;
 }
 }
 }
-static lean_object* _init_l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1() {
+static lean_object* _init_l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -10552,209 +10552,55 @@ x_2 = l_Lean_mkHashSetImp___rarg(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1(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; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
+lean_object* x_8; 
+lean_inc(x_1);
+x_8 = l_Lean_MVarId_getType(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-lean_inc(x_1);
-x_11 = l_Lean_MVarId_getType(x_1, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_11 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_9, x_3, x_4, x_5, x_6, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_12, x_3, x_4, x_5, x_6, x_13);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_18 = l_Lean_Meta_splitTarget_x3f_go(x_1, x_2, x_15, x_17, x_3, x_4, x_5, x_6, x_16);
-if (lean_obj_tag(x_18) == 0)
+x_14 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1;
+x_15 = l_Lean_Meta_splitTarget_x3f_go(x_1, x_2, x_12, x_14, x_3, x_4, x_5, x_6, x_13);
+return x_15;
+}
+else
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_ctor_get(x_18, 1);
-lean_inc(x_20);
-lean_dec(x_18);
-x_21 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_20);
+uint8_t x_16; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_9);
-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);
-lean_dec(x_23);
-x_24 = lean_box(0);
-lean_ctor_set(x_21, 0, x_24);
-return x_21;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
-lean_dec(x_21);
-x_26 = lean_box(0);
-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_9);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_28 = !lean_is_exclusive(x_18);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; 
-x_29 = lean_ctor_get(x_18, 0);
-lean_dec(x_29);
-x_30 = !lean_is_exclusive(x_19);
-if (x_30 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; 
-x_31 = lean_ctor_get(x_19, 0);
-lean_inc(x_31);
-lean_dec(x_19);
-x_32 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_32, 0, x_31);
-lean_ctor_set(x_18, 0, x_32);
-return x_18;
-}
-}
-else
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_33 = lean_ctor_get(x_18, 1);
-lean_inc(x_33);
-lean_dec(x_18);
-x_34 = lean_ctor_get(x_19, 0);
-lean_inc(x_34);
-if (lean_is_exclusive(x_19)) {
- lean_ctor_release(x_19, 0);
- x_35 = x_19;
-} else {
- lean_dec_ref(x_19);
- x_35 = lean_box(0);
-}
-if (lean_is_scalar(x_35)) {
- x_36 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_36 = x_35;
-}
-lean_ctor_set(x_36, 0, x_34);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_33);
-return x_37;
-}
-}
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_38 = lean_ctor_get(x_18, 0);
-lean_inc(x_38);
-x_39 = lean_ctor_get(x_18, 1);
-lean_inc(x_39);
-lean_dec(x_18);
-x_40 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_39);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_41 = !lean_is_exclusive(x_40);
-if (x_41 == 0)
-{
-lean_object* x_42; 
-x_42 = lean_ctor_get(x_40, 0);
-lean_dec(x_42);
-lean_ctor_set_tag(x_40, 1);
-lean_ctor_set(x_40, 0, x_38);
-return x_40;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_40, 1);
-lean_inc(x_43);
-lean_dec(x_40);
-x_44 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_44, 0, x_38);
-lean_ctor_set(x_44, 1, x_43);
-return x_44;
-}
-}
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
 lean_dec(x_1);
-x_45 = lean_ctor_get(x_11, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_11, 1);
-lean_inc(x_46);
-lean_dec(x_11);
-x_47 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_46);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_48 = !lean_is_exclusive(x_47);
-if (x_48 == 0)
+x_16 = !lean_is_exclusive(x_8);
+if (x_16 == 0)
 {
-lean_object* x_49; 
-x_49 = lean_ctor_get(x_47, 0);
-lean_dec(x_49);
-lean_ctor_set_tag(x_47, 1);
-lean_ctor_set(x_47, 0, x_45);
-return x_47;
+return x_8;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; 
-x_50 = lean_ctor_get(x_47, 1);
-lean_inc(x_50);
-lean_dec(x_47);
-x_51 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_51, 0, x_45);
-lean_ctor_set(x_51, 1, x_50);
-return x_51;
+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_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;
 }
 }
 }
@@ -10762,18 +10608,22 @@ return x_51;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f(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_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-return x_8;
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = lean_box(x_2);
+x_9 = lean_alloc_closure((void*)(l_Lean_Meta_splitTarget_x3f___lambda__1___boxed), 7, 2);
+lean_closure_set(x_9, 0, x_1);
+lean_closure_set(x_9, 1, x_8);
+x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1(x_9, x_3, x_4, x_5, x_6, x_7);
+return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitTarget_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 uint8_t x_8; lean_object* x_9; 
 x_8 = lean_unbox(x_2);
 lean_dec(x_2);
-x_9 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
+x_9 = l_Lean_Meta_splitTarget_x3f___lambda__1(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
@@ -10992,7 +10842,7 @@ lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_obje
 x_18 = lean_ctor_get(x_16, 0);
 x_19 = lean_ctor_get(x_16, 1);
 x_20 = 1;
-x_21 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1;
+x_21 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1;
 x_22 = l_Lean_Meta_Split_findSplit_x3f_go(x_11, x_20, x_21, x_18);
 if (lean_obj_tag(x_22) == 0)
 {
@@ -11875,7 +11725,7 @@ lean_inc(x_212);
 lean_inc(x_211);
 lean_dec(x_16);
 x_213 = 1;
-x_214 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1;
+x_214 = l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1;
 x_215 = l_Lean_Meta_Split_findSplit_x3f_go(x_11, x_213, x_214, x_211);
 if (lean_obj_tag(x_215) == 0)
 {
@@ -12541,8 +12391,8 @@ l_Lean_Meta_splitTarget_x3f_go___closed__2 = _init_l_Lean_Meta_splitTarget_x3f_g
 lean_mark_persistent(l_Lean_Meta_splitTarget_x3f_go___closed__2);
 l_Lean_Meta_splitTarget_x3f_go___closed__3 = _init_l_Lean_Meta_splitTarget_x3f_go___closed__3();
 lean_mark_persistent(l_Lean_Meta_splitTarget_x3f_go___closed__3);
-l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1 = _init_l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1();
-lean_mark_persistent(l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitTarget_x3f___spec__1___at_Lean_Meta_splitTarget_x3f___spec__2___closed__1);
+l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1 = _init_l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Meta_splitTarget_x3f___lambda__1___closed__1);
 l_Lean_Meta_splitLocalDecl_x3f___lambda__1___closed__1 = _init_l_Lean_Meta_splitLocalDecl_x3f___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Meta_splitLocalDecl_x3f___lambda__1___closed__1);
 res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Split___hyg_7123_(lean_io_mk_world());
diff --git a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
index 67b0d3468c..b2716acc10 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
@@ -102,15 +102,13 @@ lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstan
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1871_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1881_(lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__7;
 static lean_object* l_Lean_Meta_SplitIf_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_5____closed__1;
 static lean_object* l_Lean_Meta_simpIfTarget___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__2;
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpIfTarget___closed__3;
 static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___closed__12;
@@ -143,11 +141,12 @@ static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___closed__10;
 static lean_object* l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__9;
 lean_object* l_Lean_Meta_simpLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_simpIfTarget(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_simpIfTarget___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__5;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___closed__3;
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_simpIfLocalDecl___closed__2;
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4225,971 +4224,1137 @@ return x_36;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_27; lean_object* x_28; lean_object* x_35; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
+lean_object* x_8; 
+lean_inc(x_1);
+x_8 = l_Lean_MVarId_getType(x_1, x_3, x_4, x_5, x_6, x_7);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
-if (lean_is_exclusive(x_8)) {
- lean_ctor_release(x_8, 0);
- lean_ctor_release(x_8, 1);
- x_11 = x_8;
-} else {
- lean_dec_ref(x_8);
- x_11 = lean_box(0);
-}
-lean_inc(x_1);
-x_35 = l_Lean_MVarId_getType(x_1, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_35) == 0)
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
+lean_dec(x_8);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_38 = l_Lean_Meta_SplitIf_splitIfAt_x3f(x_1, x_36, x_2, x_3, x_4, x_5, x_6, x_37);
-if (lean_obj_tag(x_38) == 0)
+x_11 = l_Lean_Meta_SplitIf_splitIfAt_x3f(x_1, x_9, x_2, x_3, x_4, x_5, x_6, x_10);
+if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_39; 
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-if (lean_obj_tag(x_39) == 0)
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+if (lean_obj_tag(x_12) == 0)
 {
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_box(0);
-x_12 = x_41;
-x_13 = x_40;
-goto block_26;
+uint8_t x_13; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_13 = !lean_is_exclusive(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_11, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_11, 0, x_15);
+return x_11;
 }
 else
 {
-uint8_t x_42; 
-x_42 = !lean_is_exclusive(x_39);
-if (x_42 == 0)
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_11, 1);
+lean_inc(x_16);
+lean_dec(x_11);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+}
+else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_43 = lean_ctor_get(x_39, 0);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_38, 1);
-lean_inc(x_45);
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_11, 1);
+lean_inc(x_22);
+lean_dec(x_11);
+x_23 = !lean_is_exclusive(x_20);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_24 = lean_ctor_get(x_20, 1);
+x_25 = lean_ctor_get(x_20, 0);
+lean_dec(x_25);
+x_26 = !lean_is_exclusive(x_21);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; 
+x_27 = lean_ctor_get(x_21, 0);
+x_28 = lean_ctor_get(x_21, 1);
+x_29 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_27);
+x_30 = l_Lean_Meta_simpIfTarget(x_27, x_29, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+lean_dec(x_30);
+x_33 = !lean_is_exclusive(x_24);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_24, 0);
+x_35 = lean_ctor_get(x_24, 1);
+lean_inc(x_34);
+x_36 = l_Lean_Meta_simpIfTarget(x_34, x_29, x_3, x_4, x_5, x_6, x_32);
+if (lean_obj_tag(x_36) == 0)
+{
+uint8_t x_37; 
+x_37 = !lean_is_exclusive(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; uint8_t x_39; 
+x_38 = lean_ctor_get(x_36, 0);
+x_39 = lean_name_eq(x_27, x_31);
+lean_dec(x_27);
+if (x_39 == 0)
+{
+lean_dec(x_34);
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_38);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+lean_ctor_set(x_36, 0, x_12);
+return x_36;
+}
+else
+{
+uint8_t x_40; 
+x_40 = lean_name_eq(x_34, x_38);
+lean_dec(x_34);
+if (x_40 == 0)
+{
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_38);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+lean_ctor_set(x_36, 0, x_12);
+return x_36;
+}
+else
+{
+lean_object* x_41; 
 lean_dec(x_38);
-x_46 = !lean_is_exclusive(x_43);
+lean_free_object(x_24);
+lean_dec(x_35);
+lean_dec(x_31);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_41 = lean_box(0);
+lean_ctor_set(x_36, 0, x_41);
+return x_36;
+}
+}
+}
+else
+{
+lean_object* x_42; lean_object* x_43; uint8_t x_44; 
+x_42 = lean_ctor_get(x_36, 0);
+x_43 = lean_ctor_get(x_36, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_36);
+x_44 = lean_name_eq(x_27, x_31);
+lean_dec(x_27);
+if (x_44 == 0)
+{
+lean_object* x_45; 
+lean_dec(x_34);
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_42);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_12);
+lean_ctor_set(x_45, 1, x_43);
+return x_45;
+}
+else
+{
+uint8_t x_46; 
+x_46 = lean_name_eq(x_34, x_42);
+lean_dec(x_34);
 if (x_46 == 0)
 {
-lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_47 = lean_ctor_get(x_43, 1);
-x_48 = lean_ctor_get(x_43, 0);
-lean_dec(x_48);
-x_49 = !lean_is_exclusive(x_44);
-if (x_49 == 0)
+lean_object* x_47; 
+lean_ctor_set(x_24, 1, x_28);
+lean_ctor_set(x_24, 0, x_31);
+lean_ctor_set(x_21, 1, x_35);
+lean_ctor_set(x_21, 0, x_42);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_24);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_12);
+lean_ctor_set(x_47, 1, x_43);
+return x_47;
+}
+else
 {
-lean_object* x_50; lean_object* x_51; uint8_t x_52; lean_object* x_53; 
-x_50 = lean_ctor_get(x_44, 0);
-x_51 = lean_ctor_get(x_44, 1);
-x_52 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_50);
-x_53 = l_Lean_Meta_simpIfTarget(x_50, x_52, x_3, x_4, x_5, x_6, x_45);
-if (lean_obj_tag(x_53) == 0)
+lean_object* x_48; lean_object* x_49; 
+lean_dec(x_42);
+lean_free_object(x_24);
+lean_dec(x_35);
+lean_dec(x_31);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_48 = lean_box(0);
+x_49 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_49, 0, x_48);
+lean_ctor_set(x_49, 1, x_43);
+return x_49;
+}
+}
+}
+}
+else
 {
-lean_object* x_54; lean_object* x_55; uint8_t x_56; 
-x_54 = lean_ctor_get(x_53, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_53, 1);
+uint8_t x_50; 
+lean_free_object(x_24);
+lean_dec(x_35);
+lean_dec(x_34);
+lean_dec(x_31);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_dec(x_27);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_50 = !lean_is_exclusive(x_36);
+if (x_50 == 0)
+{
+return x_36;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_51 = lean_ctor_get(x_36, 0);
+x_52 = lean_ctor_get(x_36, 1);
+lean_inc(x_52);
+lean_inc(x_51);
+lean_dec(x_36);
+x_53 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_53, 0, x_51);
+lean_ctor_set(x_53, 1, x_52);
+return x_53;
+}
+}
+}
+else
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_24, 0);
+x_55 = lean_ctor_get(x_24, 1);
 lean_inc(x_55);
-lean_dec(x_53);
-x_56 = !lean_is_exclusive(x_47);
-if (x_56 == 0)
+lean_inc(x_54);
+lean_dec(x_24);
+lean_inc(x_54);
+x_56 = l_Lean_Meta_simpIfTarget(x_54, x_29, x_3, x_4, x_5, x_6, x_32);
+if (lean_obj_tag(x_56) == 0)
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_57 = lean_ctor_get(x_47, 0);
-x_58 = lean_ctor_get(x_47, 1);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
+lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+x_57 = lean_ctor_get(x_56, 0);
 lean_inc(x_57);
-x_59 = l_Lean_Meta_simpIfTarget(x_57, x_52, x_3, x_4, x_5, x_6, x_55);
-if (lean_obj_tag(x_59) == 0)
+x_58 = lean_ctor_get(x_56, 1);
+lean_inc(x_58);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_59 = x_56;
+} else {
+ lean_dec_ref(x_56);
+ x_59 = lean_box(0);
+}
+x_60 = lean_name_eq(x_27, x_31);
+lean_dec(x_27);
+if (x_60 == 0)
 {
-lean_object* x_60; lean_object* x_61; uint8_t x_62; 
-x_60 = lean_ctor_get(x_59, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_59, 1);
-lean_inc(x_61);
-lean_dec(x_59);
-x_62 = lean_name_eq(x_50, x_54);
-lean_dec(x_50);
-if (x_62 == 0)
-{
-lean_dec(x_57);
-lean_ctor_set(x_47, 1, x_51);
-lean_ctor_set(x_47, 0, x_54);
-lean_ctor_set(x_44, 1, x_58);
-lean_ctor_set(x_44, 0, x_60);
-lean_ctor_set(x_43, 1, x_44);
-lean_ctor_set(x_43, 0, x_47);
-x_12 = x_39;
-x_13 = x_61;
-goto block_26;
+lean_object* x_61; lean_object* x_62; 
+lean_dec(x_54);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_31);
+lean_ctor_set(x_61, 1, x_28);
+lean_ctor_set(x_21, 1, x_55);
+lean_ctor_set(x_21, 0, x_57);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_61);
+if (lean_is_scalar(x_59)) {
+ x_62 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_62 = x_59;
+}
+lean_ctor_set(x_62, 0, x_12);
+lean_ctor_set(x_62, 1, x_58);
+return x_62;
 }
 else
 {
 uint8_t x_63; 
-x_63 = lean_name_eq(x_57, x_60);
-lean_dec(x_57);
+x_63 = lean_name_eq(x_54, x_57);
+lean_dec(x_54);
 if (x_63 == 0)
 {
-lean_ctor_set(x_47, 1, x_51);
-lean_ctor_set(x_47, 0, x_54);
-lean_ctor_set(x_44, 1, x_58);
-lean_ctor_set(x_44, 0, x_60);
-lean_ctor_set(x_43, 1, x_44);
-lean_ctor_set(x_43, 0, x_47);
-x_12 = x_39;
-x_13 = x_61;
-goto block_26;
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_64, 0, x_31);
+lean_ctor_set(x_64, 1, x_28);
+lean_ctor_set(x_21, 1, x_55);
+lean_ctor_set(x_21, 0, x_57);
+lean_ctor_set(x_20, 1, x_21);
+lean_ctor_set(x_20, 0, x_64);
+if (lean_is_scalar(x_59)) {
+ x_65 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_65 = x_59;
+}
+lean_ctor_set(x_65, 0, x_12);
+lean_ctor_set(x_65, 1, x_58);
+return x_65;
 }
 else
 {
-lean_object* x_64; 
-lean_dec(x_60);
-lean_free_object(x_47);
-lean_dec(x_58);
-lean_dec(x_54);
-lean_free_object(x_44);
-lean_dec(x_51);
-lean_free_object(x_43);
-lean_free_object(x_39);
-x_64 = lean_box(0);
-x_12 = x_64;
-x_13 = x_61;
-goto block_26;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_free_object(x_47);
-lean_dec(x_58);
+lean_object* x_66; lean_object* x_67; 
 lean_dec(x_57);
-lean_dec(x_54);
-lean_free_object(x_44);
-lean_dec(x_51);
-lean_dec(x_50);
-lean_free_object(x_43);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_65 = lean_ctor_get(x_59, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_59, 1);
-lean_inc(x_66);
-lean_dec(x_59);
-x_27 = x_65;
-x_28 = x_66;
-goto block_34;
+lean_dec(x_55);
+lean_dec(x_31);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_66 = lean_box(0);
+if (lean_is_scalar(x_59)) {
+ x_67 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_67 = x_59;
+}
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_58);
+return x_67;
+}
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_67 = lean_ctor_get(x_47, 0);
-x_68 = lean_ctor_get(x_47, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_dec(x_55);
+lean_dec(x_54);
+lean_dec(x_31);
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_dec(x_27);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_68 = lean_ctor_get(x_56, 0);
 lean_inc(x_68);
-lean_inc(x_67);
-lean_dec(x_47);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_67);
-x_69 = l_Lean_Meta_simpIfTarget(x_67, x_52, x_3, x_4, x_5, x_6, x_55);
-if (lean_obj_tag(x_69) == 0)
+x_69 = lean_ctor_get(x_56, 1);
+lean_inc(x_69);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_70 = x_56;
+} else {
+ lean_dec_ref(x_56);
+ x_70 = lean_box(0);
+}
+if (lean_is_scalar(x_70)) {
+ x_71 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_71 = x_70;
+}
+lean_ctor_set(x_71, 0, x_68);
+lean_ctor_set(x_71, 1, x_69);
+return x_71;
+}
+}
+}
+else
 {
-lean_object* x_70; lean_object* x_71; uint8_t x_72; 
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
-lean_inc(x_71);
-lean_dec(x_69);
-x_72 = lean_name_eq(x_50, x_54);
-lean_dec(x_50);
+uint8_t x_72; 
+lean_free_object(x_21);
+lean_dec(x_28);
+lean_dec(x_27);
+lean_free_object(x_20);
+lean_dec(x_24);
+lean_free_object(x_12);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_72 = !lean_is_exclusive(x_30);
 if (x_72 == 0)
 {
-lean_object* x_73; 
-lean_dec(x_67);
-x_73 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_73, 0, x_54);
-lean_ctor_set(x_73, 1, x_51);
-lean_ctor_set(x_44, 1, x_68);
-lean_ctor_set(x_44, 0, x_70);
-lean_ctor_set(x_43, 1, x_44);
-lean_ctor_set(x_43, 0, x_73);
-x_12 = x_39;
-x_13 = x_71;
-goto block_26;
+return x_30;
 }
 else
 {
-uint8_t x_74; 
-x_74 = lean_name_eq(x_67, x_70);
-lean_dec(x_67);
-if (x_74 == 0)
-{
-lean_object* x_75; 
-x_75 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_75, 0, x_54);
-lean_ctor_set(x_75, 1, x_51);
-lean_ctor_set(x_44, 1, x_68);
-lean_ctor_set(x_44, 0, x_70);
-lean_ctor_set(x_43, 1, x_44);
-lean_ctor_set(x_43, 0, x_75);
-x_12 = x_39;
-x_13 = x_71;
-goto block_26;
-}
-else
-{
-lean_object* x_76; 
-lean_dec(x_70);
-lean_dec(x_68);
-lean_dec(x_54);
-lean_free_object(x_44);
-lean_dec(x_51);
-lean_free_object(x_43);
-lean_free_object(x_39);
-x_76 = lean_box(0);
-x_12 = x_76;
-x_13 = x_71;
-goto block_26;
+lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_73 = lean_ctor_get(x_30, 0);
+x_74 = lean_ctor_get(x_30, 1);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_30);
+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_77; lean_object* x_78; 
-lean_dec(x_68);
-lean_dec(x_67);
-lean_dec(x_54);
-lean_free_object(x_44);
-lean_dec(x_51);
-lean_dec(x_50);
-lean_free_object(x_43);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_77 = lean_ctor_get(x_69, 0);
+lean_object* x_76; lean_object* x_77; uint8_t x_78; lean_object* x_79; 
+x_76 = lean_ctor_get(x_21, 0);
+x_77 = lean_ctor_get(x_21, 1);
 lean_inc(x_77);
-x_78 = lean_ctor_get(x_69, 1);
-lean_inc(x_78);
-lean_dec(x_69);
-x_27 = x_77;
-x_28 = x_78;
-goto block_34;
-}
-}
-}
-else
+lean_inc(x_76);
+lean_dec(x_21);
+x_78 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_76);
+x_79 = l_Lean_Meta_simpIfTarget(x_76, x_78, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_79) == 0)
 {
-lean_object* x_79; lean_object* x_80; 
-lean_free_object(x_44);
-lean_dec(x_51);
-lean_dec(x_50);
-lean_free_object(x_43);
-lean_dec(x_47);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_79 = lean_ctor_get(x_53, 0);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_53, 1);
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_80 = lean_ctor_get(x_79, 0);
 lean_inc(x_80);
-lean_dec(x_53);
-x_27 = x_79;
-x_28 = x_80;
-goto block_34;
+x_81 = lean_ctor_get(x_79, 1);
+lean_inc(x_81);
+lean_dec(x_79);
+x_82 = lean_ctor_get(x_24, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_24, 1);
+lean_inc(x_83);
+if (lean_is_exclusive(x_24)) {
+ lean_ctor_release(x_24, 0);
+ lean_ctor_release(x_24, 1);
+ x_84 = x_24;
+} else {
+ lean_dec_ref(x_24);
+ x_84 = lean_box(0);
 }
+lean_inc(x_82);
+x_85 = l_Lean_Meta_simpIfTarget(x_82, x_78, x_3, x_4, x_5, x_6, x_81);
+if (lean_obj_tag(x_85) == 0)
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; 
+x_86 = lean_ctor_get(x_85, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_85, 1);
+lean_inc(x_87);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_88 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_88 = lean_box(0);
+}
+x_89 = lean_name_eq(x_76, x_80);
+lean_dec(x_76);
+if (x_89 == 0)
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+lean_dec(x_82);
+if (lean_is_scalar(x_84)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_84;
+}
+lean_ctor_set(x_90, 0, x_80);
+lean_ctor_set(x_90, 1, x_77);
+x_91 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_91, 0, x_86);
+lean_ctor_set(x_91, 1, x_83);
+lean_ctor_set(x_20, 1, x_91);
+lean_ctor_set(x_20, 0, x_90);
+if (lean_is_scalar(x_88)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_92 = x_88;
+}
+lean_ctor_set(x_92, 0, x_12);
+lean_ctor_set(x_92, 1, x_87);
+return x_92;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; 
-x_81 = lean_ctor_get(x_44, 0);
-x_82 = lean_ctor_get(x_44, 1);
-lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_44);
-x_83 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_81);
-x_84 = l_Lean_Meta_simpIfTarget(x_81, x_83, x_3, x_4, x_5, x_6, x_45);
-if (lean_obj_tag(x_84) == 0)
-{
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_85 = lean_ctor_get(x_84, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_84, 1);
-lean_inc(x_86);
-lean_dec(x_84);
-x_87 = lean_ctor_get(x_47, 0);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_47, 1);
-lean_inc(x_88);
-if (lean_is_exclusive(x_47)) {
- lean_ctor_release(x_47, 0);
- lean_ctor_release(x_47, 1);
- x_89 = x_47;
-} else {
- lean_dec_ref(x_47);
- x_89 = lean_box(0);
-}
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_87);
-x_90 = l_Lean_Meta_simpIfTarget(x_87, x_83, x_3, x_4, x_5, x_6, x_86);
-if (lean_obj_tag(x_90) == 0)
-{
-lean_object* x_91; lean_object* x_92; uint8_t x_93; 
-x_91 = lean_ctor_get(x_90, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_90, 1);
-lean_inc(x_92);
-lean_dec(x_90);
-x_93 = lean_name_eq(x_81, x_85);
-lean_dec(x_81);
+uint8_t x_93; 
+x_93 = lean_name_eq(x_82, x_86);
+lean_dec(x_82);
 if (x_93 == 0)
 {
-lean_object* x_94; lean_object* x_95; 
-lean_dec(x_87);
-if (lean_is_scalar(x_89)) {
+lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+if (lean_is_scalar(x_84)) {
  x_94 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_94 = x_89;
+ x_94 = x_84;
 }
-lean_ctor_set(x_94, 0, x_85);
-lean_ctor_set(x_94, 1, x_82);
+lean_ctor_set(x_94, 0, x_80);
+lean_ctor_set(x_94, 1, x_77);
 x_95 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_95, 0, x_91);
-lean_ctor_set(x_95, 1, x_88);
-lean_ctor_set(x_43, 1, x_95);
-lean_ctor_set(x_43, 0, x_94);
-x_12 = x_39;
-x_13 = x_92;
-goto block_26;
+lean_ctor_set(x_95, 0, x_86);
+lean_ctor_set(x_95, 1, x_83);
+lean_ctor_set(x_20, 1, x_95);
+lean_ctor_set(x_20, 0, x_94);
+if (lean_is_scalar(x_88)) {
+ x_96 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_96 = x_88;
+}
+lean_ctor_set(x_96, 0, x_12);
+lean_ctor_set(x_96, 1, x_87);
+return x_96;
 }
 else
 {
-uint8_t x_96; 
-x_96 = lean_name_eq(x_87, x_91);
-lean_dec(x_87);
-if (x_96 == 0)
-{
 lean_object* x_97; lean_object* x_98; 
-if (lean_is_scalar(x_89)) {
- x_97 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_97 = x_89;
-}
-lean_ctor_set(x_97, 0, x_85);
-lean_ctor_set(x_97, 1, x_82);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_91);
-lean_ctor_set(x_98, 1, x_88);
-lean_ctor_set(x_43, 1, x_98);
-lean_ctor_set(x_43, 0, x_97);
-x_12 = x_39;
-x_13 = x_92;
-goto block_26;
-}
-else
-{
-lean_object* x_99; 
-lean_dec(x_91);
-lean_dec(x_89);
-lean_dec(x_88);
-lean_dec(x_85);
-lean_dec(x_82);
-lean_free_object(x_43);
-lean_free_object(x_39);
-x_99 = lean_box(0);
-x_12 = x_99;
-x_13 = x_92;
-goto block_26;
-}
-}
-}
-else
-{
-lean_object* x_100; lean_object* x_101; 
-lean_dec(x_89);
-lean_dec(x_88);
-lean_dec(x_87);
-lean_dec(x_85);
-lean_dec(x_82);
-lean_dec(x_81);
-lean_free_object(x_43);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_100 = lean_ctor_get(x_90, 0);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_90, 1);
-lean_inc(x_101);
-lean_dec(x_90);
-x_27 = x_100;
-x_28 = x_101;
-goto block_34;
-}
-}
-else
-{
-lean_object* x_102; lean_object* x_103; 
-lean_dec(x_82);
-lean_dec(x_81);
-lean_free_object(x_43);
-lean_dec(x_47);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_102 = lean_ctor_get(x_84, 0);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_84, 1);
-lean_inc(x_103);
+lean_dec(x_86);
 lean_dec(x_84);
-x_27 = x_102;
-x_28 = x_103;
-goto block_34;
+lean_dec(x_83);
+lean_dec(x_80);
+lean_dec(x_77);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_97 = lean_box(0);
+if (lean_is_scalar(x_88)) {
+ x_98 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_98 = x_88;
+}
+lean_ctor_set(x_98, 0, x_97);
+lean_ctor_set(x_98, 1, x_87);
+return x_98;
 }
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; 
-x_104 = lean_ctor_get(x_43, 1);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+lean_dec(x_84);
+lean_dec(x_83);
+lean_dec(x_82);
+lean_dec(x_80);
+lean_dec(x_77);
+lean_dec(x_76);
+lean_free_object(x_20);
+lean_free_object(x_12);
+x_99 = lean_ctor_get(x_85, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_85, 1);
+lean_inc(x_100);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_101 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_101 = lean_box(0);
+}
+if (lean_is_scalar(x_101)) {
+ x_102 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_102 = x_101;
+}
+lean_ctor_set(x_102, 0, x_99);
+lean_ctor_set(x_102, 1, x_100);
+return x_102;
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+lean_dec(x_77);
+lean_dec(x_76);
+lean_free_object(x_20);
+lean_dec(x_24);
+lean_free_object(x_12);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_103 = lean_ctor_get(x_79, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_79, 1);
 lean_inc(x_104);
-lean_dec(x_43);
-x_105 = lean_ctor_get(x_44, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_44, 1);
-lean_inc(x_106);
-if (lean_is_exclusive(x_44)) {
- lean_ctor_release(x_44, 0);
- lean_ctor_release(x_44, 1);
- x_107 = x_44;
+if (lean_is_exclusive(x_79)) {
+ lean_ctor_release(x_79, 0);
+ lean_ctor_release(x_79, 1);
+ x_105 = x_79;
 } else {
- lean_dec_ref(x_44);
- x_107 = lean_box(0);
+ lean_dec_ref(x_79);
+ x_105 = lean_box(0);
 }
-x_108 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_105);
-x_109 = l_Lean_Meta_simpIfTarget(x_105, x_108, x_3, x_4, x_5, x_6, x_45);
-if (lean_obj_tag(x_109) == 0)
-{
-lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_110 = lean_ctor_get(x_109, 0);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_109, 1);
-lean_inc(x_111);
-lean_dec(x_109);
-x_112 = lean_ctor_get(x_104, 0);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_104, 1);
-lean_inc(x_113);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- x_114 = x_104;
+if (lean_is_scalar(x_105)) {
+ x_106 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_104);
- x_114 = lean_box(0);
+ x_106 = x_105;
 }
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_112);
-x_115 = l_Lean_Meta_simpIfTarget(x_112, x_108, x_3, x_4, x_5, x_6, x_111);
-if (lean_obj_tag(x_115) == 0)
-{
-lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_name_eq(x_105, x_110);
-lean_dec(x_105);
-if (x_118 == 0)
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-lean_dec(x_112);
-if (lean_is_scalar(x_114)) {
- x_119 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_119 = x_114;
+lean_ctor_set(x_106, 0, x_103);
+lean_ctor_set(x_106, 1, x_104);
+return x_106;
 }
-lean_ctor_set(x_119, 0, x_110);
-lean_ctor_set(x_119, 1, x_106);
-if (lean_is_scalar(x_107)) {
- x_120 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_120 = x_107;
 }
-lean_ctor_set(x_120, 0, x_116);
-lean_ctor_set(x_120, 1, x_113);
-x_121 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_121, 0, x_119);
-lean_ctor_set(x_121, 1, x_120);
-lean_ctor_set(x_39, 0, x_121);
-x_12 = x_39;
-x_13 = x_117;
-goto block_26;
 }
 else
 {
-uint8_t x_122; 
-x_122 = lean_name_eq(x_112, x_116);
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; lean_object* x_112; 
+x_107 = lean_ctor_get(x_20, 1);
+lean_inc(x_107);
+lean_dec(x_20);
+x_108 = lean_ctor_get(x_21, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_21, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_21)) {
+ lean_ctor_release(x_21, 0);
+ lean_ctor_release(x_21, 1);
+ x_110 = x_21;
+} else {
+ lean_dec_ref(x_21);
+ x_110 = lean_box(0);
+}
+x_111 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_108);
+x_112 = l_Lean_Meta_simpIfTarget(x_108, x_111, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_112) == 0)
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_113 = lean_ctor_get(x_112, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_112, 1);
+lean_inc(x_114);
 lean_dec(x_112);
+x_115 = lean_ctor_get(x_107, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_107, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_107)) {
+ lean_ctor_release(x_107, 0);
+ lean_ctor_release(x_107, 1);
+ x_117 = x_107;
+} else {
+ lean_dec_ref(x_107);
+ x_117 = lean_box(0);
+}
+lean_inc(x_115);
+x_118 = l_Lean_Meta_simpIfTarget(x_115, x_111, x_3, x_4, x_5, x_6, x_114);
+if (lean_obj_tag(x_118) == 0)
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
+x_119 = lean_ctor_get(x_118, 0);
+lean_inc(x_119);
+x_120 = lean_ctor_get(x_118, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_121 = x_118;
+} else {
+ lean_dec_ref(x_118);
+ x_121 = lean_box(0);
+}
+x_122 = lean_name_eq(x_108, x_113);
+lean_dec(x_108);
 if (x_122 == 0)
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-if (lean_is_scalar(x_114)) {
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+lean_dec(x_115);
+if (lean_is_scalar(x_117)) {
  x_123 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_123 = x_114;
+ x_123 = x_117;
 }
-lean_ctor_set(x_123, 0, x_110);
-lean_ctor_set(x_123, 1, x_106);
-if (lean_is_scalar(x_107)) {
+lean_ctor_set(x_123, 0, x_113);
+lean_ctor_set(x_123, 1, x_109);
+if (lean_is_scalar(x_110)) {
  x_124 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_124 = x_107;
+ x_124 = x_110;
 }
-lean_ctor_set(x_124, 0, x_116);
-lean_ctor_set(x_124, 1, x_113);
+lean_ctor_set(x_124, 0, x_119);
+lean_ctor_set(x_124, 1, x_116);
 x_125 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_125, 0, x_123);
 lean_ctor_set(x_125, 1, x_124);
-lean_ctor_set(x_39, 0, x_125);
-x_12 = x_39;
-x_13 = x_117;
-goto block_26;
+lean_ctor_set(x_12, 0, x_125);
+if (lean_is_scalar(x_121)) {
+ x_126 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_126 = x_121;
+}
+lean_ctor_set(x_126, 0, x_12);
+lean_ctor_set(x_126, 1, x_120);
+return x_126;
 }
 else
 {
-lean_object* x_126; 
-lean_dec(x_116);
-lean_dec(x_114);
-lean_dec(x_113);
-lean_dec(x_110);
-lean_dec(x_107);
-lean_dec(x_106);
-lean_free_object(x_39);
-x_126 = lean_box(0);
-x_12 = x_126;
-x_13 = x_117;
-goto block_26;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; 
-lean_dec(x_114);
-lean_dec(x_113);
-lean_dec(x_112);
-lean_dec(x_110);
-lean_dec(x_107);
-lean_dec(x_106);
-lean_dec(x_105);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_127 = lean_ctor_get(x_115, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_115, 1);
-lean_inc(x_128);
+uint8_t x_127; 
+x_127 = lean_name_eq(x_115, x_119);
 lean_dec(x_115);
-x_27 = x_127;
-x_28 = x_128;
-goto block_34;
+if (x_127 == 0)
+{
+lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+if (lean_is_scalar(x_117)) {
+ x_128 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_128 = x_117;
 }
+lean_ctor_set(x_128, 0, x_113);
+lean_ctor_set(x_128, 1, x_109);
+if (lean_is_scalar(x_110)) {
+ x_129 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_129 = x_110;
+}
+lean_ctor_set(x_129, 0, x_119);
+lean_ctor_set(x_129, 1, x_116);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_128);
+lean_ctor_set(x_130, 1, x_129);
+lean_ctor_set(x_12, 0, x_130);
+if (lean_is_scalar(x_121)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_121;
+}
+lean_ctor_set(x_131, 0, x_12);
+lean_ctor_set(x_131, 1, x_120);
+return x_131;
 }
 else
 {
-lean_object* x_129; lean_object* x_130; 
-lean_dec(x_107);
-lean_dec(x_106);
-lean_dec(x_105);
-lean_dec(x_104);
-lean_free_object(x_39);
-lean_dec(x_11);
-x_129 = lean_ctor_get(x_109, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_109, 1);
-lean_inc(x_130);
+lean_object* x_132; lean_object* x_133; 
+lean_dec(x_119);
+lean_dec(x_117);
+lean_dec(x_116);
+lean_dec(x_113);
+lean_dec(x_110);
 lean_dec(x_109);
-x_27 = x_129;
-x_28 = x_130;
-goto block_34;
+lean_free_object(x_12);
+x_132 = lean_box(0);
+if (lean_is_scalar(x_121)) {
+ x_133 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_133 = x_121;
+}
+lean_ctor_set(x_133, 0, x_132);
+lean_ctor_set(x_133, 1, x_120);
+return x_133;
 }
 }
 }
 else
 {
-lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; lean_object* x_140; 
-x_131 = lean_ctor_get(x_39, 0);
-lean_inc(x_131);
-lean_dec(x_39);
-x_132 = lean_ctor_get(x_131, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_38, 1);
-lean_inc(x_133);
-lean_dec(x_38);
-x_134 = lean_ctor_get(x_131, 1);
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+lean_dec(x_117);
+lean_dec(x_116);
+lean_dec(x_115);
+lean_dec(x_113);
+lean_dec(x_110);
+lean_dec(x_109);
+lean_dec(x_108);
+lean_free_object(x_12);
+x_134 = lean_ctor_get(x_118, 0);
 lean_inc(x_134);
-if (lean_is_exclusive(x_131)) {
- lean_ctor_release(x_131, 0);
- lean_ctor_release(x_131, 1);
- x_135 = x_131;
+x_135 = lean_ctor_get(x_118, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_136 = x_118;
 } else {
- lean_dec_ref(x_131);
- x_135 = lean_box(0);
+ lean_dec_ref(x_118);
+ x_136 = lean_box(0);
 }
-x_136 = lean_ctor_get(x_132, 0);
-lean_inc(x_136);
-x_137 = lean_ctor_get(x_132, 1);
-lean_inc(x_137);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_138 = x_132;
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_132);
- x_138 = lean_box(0);
+ x_137 = x_136;
 }
-x_139 = 0;
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_136);
-x_140 = l_Lean_Meta_simpIfTarget(x_136, x_139, x_3, x_4, x_5, x_6, x_133);
-if (lean_obj_tag(x_140) == 0)
+lean_ctor_set(x_137, 0, x_134);
+lean_ctor_set(x_137, 1, x_135);
+return x_137;
+}
+}
+else
 {
-lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_140, 1);
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+lean_dec(x_110);
+lean_dec(x_109);
+lean_dec(x_108);
+lean_dec(x_107);
+lean_free_object(x_12);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_138 = lean_ctor_get(x_112, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_112, 1);
+lean_inc(x_139);
+if (lean_is_exclusive(x_112)) {
+ lean_ctor_release(x_112, 0);
+ lean_ctor_release(x_112, 1);
+ x_140 = x_112;
+} else {
+ lean_dec_ref(x_112);
+ x_140 = lean_box(0);
+}
+if (lean_is_scalar(x_140)) {
+ x_141 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_141 = x_140;
+}
+lean_ctor_set(x_141, 0, x_138);
+lean_ctor_set(x_141, 1, x_139);
+return x_141;
+}
+}
+}
+else
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; lean_object* x_151; 
+x_142 = lean_ctor_get(x_12, 0);
 lean_inc(x_142);
-lean_dec(x_140);
-x_143 = lean_ctor_get(x_134, 0);
+lean_dec(x_12);
+x_143 = lean_ctor_get(x_142, 0);
 lean_inc(x_143);
-x_144 = lean_ctor_get(x_134, 1);
+x_144 = lean_ctor_get(x_11, 1);
 lean_inc(x_144);
-if (lean_is_exclusive(x_134)) {
- lean_ctor_release(x_134, 0);
- lean_ctor_release(x_134, 1);
- x_145 = x_134;
+lean_dec(x_11);
+x_145 = lean_ctor_get(x_142, 1);
+lean_inc(x_145);
+if (lean_is_exclusive(x_142)) {
+ lean_ctor_release(x_142, 0);
+ lean_ctor_release(x_142, 1);
+ x_146 = x_142;
 } else {
- lean_dec_ref(x_134);
- x_145 = lean_box(0);
+ lean_dec_ref(x_142);
+ x_146 = lean_box(0);
 }
+x_147 = lean_ctor_get(x_143, 0);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_143, 1);
+lean_inc(x_148);
+if (lean_is_exclusive(x_143)) {
+ lean_ctor_release(x_143, 0);
+ lean_ctor_release(x_143, 1);
+ x_149 = x_143;
+} else {
+ lean_dec_ref(x_143);
+ x_149 = lean_box(0);
+}
+x_150 = 0;
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_143);
-x_146 = l_Lean_Meta_simpIfTarget(x_143, x_139, x_3, x_4, x_5, x_6, x_142);
-if (lean_obj_tag(x_146) == 0)
-{
-lean_object* x_147; lean_object* x_148; uint8_t x_149; 
-x_147 = lean_ctor_get(x_146, 0);
 lean_inc(x_147);
-x_148 = lean_ctor_get(x_146, 1);
-lean_inc(x_148);
-lean_dec(x_146);
-x_149 = lean_name_eq(x_136, x_141);
-lean_dec(x_136);
-if (x_149 == 0)
+x_151 = l_Lean_Meta_simpIfTarget(x_147, x_150, x_3, x_4, x_5, x_6, x_144);
+if (lean_obj_tag(x_151) == 0)
 {
-lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-lean_dec(x_143);
-if (lean_is_scalar(x_145)) {
- x_150 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = lean_ctor_get(x_145, 0);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_145, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_145)) {
+ lean_ctor_release(x_145, 0);
+ lean_ctor_release(x_145, 1);
+ x_156 = x_145;
 } else {
- x_150 = x_145;
+ lean_dec_ref(x_145);
+ x_156 = lean_box(0);
 }
-lean_ctor_set(x_150, 0, x_141);
-lean_ctor_set(x_150, 1, x_137);
-if (lean_is_scalar(x_138)) {
- x_151 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_151 = x_138;
-}
-lean_ctor_set(x_151, 0, x_147);
-lean_ctor_set(x_151, 1, x_144);
-if (lean_is_scalar(x_135)) {
- x_152 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_152 = x_135;
-}
-lean_ctor_set(x_152, 0, x_150);
-lean_ctor_set(x_152, 1, x_151);
-x_153 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_153, 0, x_152);
-x_12 = x_153;
-x_13 = x_148;
-goto block_26;
-}
-else
+lean_inc(x_154);
+x_157 = l_Lean_Meta_simpIfTarget(x_154, x_150, x_3, x_4, x_5, x_6, x_153);
+if (lean_obj_tag(x_157) == 0)
 {
-uint8_t x_154; 
-x_154 = lean_name_eq(x_143, x_147);
-lean_dec(x_143);
-if (x_154 == 0)
-{
-lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-if (lean_is_scalar(x_145)) {
- x_155 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
+x_158 = lean_ctor_get(x_157, 0);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_157, 1);
+lean_inc(x_159);
+if (lean_is_exclusive(x_157)) {
+ lean_ctor_release(x_157, 0);
+ lean_ctor_release(x_157, 1);
+ x_160 = x_157;
 } else {
- x_155 = x_145;
+ lean_dec_ref(x_157);
+ x_160 = lean_box(0);
 }
-lean_ctor_set(x_155, 0, x_141);
-lean_ctor_set(x_155, 1, x_137);
-if (lean_is_scalar(x_138)) {
- x_156 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_156 = x_138;
-}
-lean_ctor_set(x_156, 0, x_147);
-lean_ctor_set(x_156, 1, x_144);
-if (lean_is_scalar(x_135)) {
- x_157 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_157 = x_135;
-}
-lean_ctor_set(x_157, 0, x_155);
-lean_ctor_set(x_157, 1, x_156);
-x_158 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_158, 0, x_157);
-x_12 = x_158;
-x_13 = x_148;
-goto block_26;
-}
-else
-{
-lean_object* x_159; 
+x_161 = lean_name_eq(x_147, x_152);
 lean_dec(x_147);
-lean_dec(x_145);
-lean_dec(x_144);
-lean_dec(x_141);
-lean_dec(x_138);
-lean_dec(x_137);
-lean_dec(x_135);
-x_159 = lean_box(0);
-x_12 = x_159;
-x_13 = x_148;
-goto block_26;
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+lean_dec(x_154);
+if (lean_is_scalar(x_156)) {
+ x_162 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_162 = x_156;
 }
+lean_ctor_set(x_162, 0, x_152);
+lean_ctor_set(x_162, 1, x_148);
+if (lean_is_scalar(x_149)) {
+ x_163 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_163 = x_149;
 }
+lean_ctor_set(x_163, 0, x_158);
+lean_ctor_set(x_163, 1, x_155);
+if (lean_is_scalar(x_146)) {
+ x_164 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_164 = x_146;
+}
+lean_ctor_set(x_164, 0, x_162);
+lean_ctor_set(x_164, 1, x_163);
+x_165 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_165, 0, x_164);
+if (lean_is_scalar(x_160)) {
+ x_166 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_166 = x_160;
+}
+lean_ctor_set(x_166, 0, x_165);
+lean_ctor_set(x_166, 1, x_159);
+return x_166;
 }
 else
 {
-lean_object* x_160; lean_object* x_161; 
-lean_dec(x_145);
-lean_dec(x_144);
-lean_dec(x_143);
-lean_dec(x_141);
-lean_dec(x_138);
-lean_dec(x_137);
-lean_dec(x_136);
-lean_dec(x_135);
-lean_dec(x_11);
-x_160 = lean_ctor_get(x_146, 0);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_146, 1);
-lean_inc(x_161);
+uint8_t x_167; 
+x_167 = lean_name_eq(x_154, x_158);
+lean_dec(x_154);
+if (x_167 == 0)
+{
+lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+if (lean_is_scalar(x_156)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_156;
+}
+lean_ctor_set(x_168, 0, x_152);
+lean_ctor_set(x_168, 1, x_148);
+if (lean_is_scalar(x_149)) {
+ x_169 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_169 = x_149;
+}
+lean_ctor_set(x_169, 0, x_158);
+lean_ctor_set(x_169, 1, x_155);
+if (lean_is_scalar(x_146)) {
+ x_170 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_170 = x_146;
+}
+lean_ctor_set(x_170, 0, x_168);
+lean_ctor_set(x_170, 1, x_169);
+x_171 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_171, 0, x_170);
+if (lean_is_scalar(x_160)) {
+ x_172 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_172 = x_160;
+}
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_159);
+return x_172;
+}
+else
+{
+lean_object* x_173; lean_object* x_174; 
+lean_dec(x_158);
+lean_dec(x_156);
+lean_dec(x_155);
+lean_dec(x_152);
+lean_dec(x_149);
+lean_dec(x_148);
 lean_dec(x_146);
-x_27 = x_160;
-x_28 = x_161;
-goto block_34;
+x_173 = lean_box(0);
+if (lean_is_scalar(x_160)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_160;
+}
+lean_ctor_set(x_174, 0, x_173);
+lean_ctor_set(x_174, 1, x_159);
+return x_174;
+}
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; 
-lean_dec(x_138);
-lean_dec(x_137);
-lean_dec(x_136);
-lean_dec(x_135);
-lean_dec(x_134);
-lean_dec(x_11);
-x_162 = lean_ctor_get(x_140, 0);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_140, 1);
-lean_inc(x_163);
-lean_dec(x_140);
-x_27 = x_162;
-x_28 = x_163;
-goto block_34;
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+lean_dec(x_156);
+lean_dec(x_155);
+lean_dec(x_154);
+lean_dec(x_152);
+lean_dec(x_149);
+lean_dec(x_148);
+lean_dec(x_147);
+lean_dec(x_146);
+x_175 = lean_ctor_get(x_157, 0);
+lean_inc(x_175);
+x_176 = lean_ctor_get(x_157, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_157)) {
+ lean_ctor_release(x_157, 0);
+ lean_ctor_release(x_157, 1);
+ x_177 = x_157;
+} else {
+ lean_dec_ref(x_157);
+ x_177 = lean_box(0);
+}
+if (lean_is_scalar(x_177)) {
+ x_178 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_178 = x_177;
+}
+lean_ctor_set(x_178, 0, x_175);
+lean_ctor_set(x_178, 1, x_176);
+return x_178;
+}
+}
+else
+{
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
+lean_dec(x_149);
+lean_dec(x_148);
+lean_dec(x_147);
+lean_dec(x_146);
+lean_dec(x_145);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_179 = lean_ctor_get(x_151, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_151, 1);
+lean_inc(x_180);
+if (lean_is_exclusive(x_151)) {
+ lean_ctor_release(x_151, 0);
+ lean_ctor_release(x_151, 1);
+ x_181 = x_151;
+} else {
+ lean_dec_ref(x_151);
+ x_181 = lean_box(0);
+}
+if (lean_is_scalar(x_181)) {
+ x_182 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_182 = x_181;
+}
+lean_ctor_set(x_182, 0, x_179);
+lean_ctor_set(x_182, 1, x_180);
+return x_182;
 }
 }
 }
 }
 else
 {
-lean_object* x_164; lean_object* x_165; 
+uint8_t x_183; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_183 = !lean_is_exclusive(x_11);
+if (x_183 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+x_184 = lean_ctor_get(x_11, 0);
+x_185 = lean_ctor_get(x_11, 1);
+lean_inc(x_185);
+lean_inc(x_184);
 lean_dec(x_11);
-x_164 = lean_ctor_get(x_38, 0);
-lean_inc(x_164);
-x_165 = lean_ctor_get(x_38, 1);
-lean_inc(x_165);
-lean_dec(x_38);
-x_27 = x_164;
-x_28 = x_165;
-goto block_34;
+x_186 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_186, 0, x_184);
+lean_ctor_set(x_186, 1, x_185);
+return x_186;
+}
 }
 }
 else
 {
-lean_object* x_166; lean_object* x_167; 
-lean_dec(x_11);
+uint8_t x_187; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_166 = lean_ctor_get(x_35, 0);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_35, 1);
-lean_inc(x_167);
-lean_dec(x_35);
-x_27 = x_166;
-x_28 = x_167;
-goto block_34;
-}
-block_26:
+x_187 = !lean_is_exclusive(x_8);
+if (x_187 == 0)
 {
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_14; uint8_t x_15; 
-lean_dec(x_11);
-x_14 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_13);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_14, 0);
-lean_dec(x_16);
-x_17 = lean_box(0);
-lean_ctor_set(x_14, 0, x_17);
-return x_14;
+return x_8;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_14, 1);
-lean_inc(x_18);
-lean_dec(x_14);
-x_19 = lean_box(0);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_18);
-return x_20;
-}
-}
-else
-{
-uint8_t x_21; 
-lean_dec(x_9);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_21 = !lean_is_exclusive(x_12);
-if (x_21 == 0)
-{
-lean_object* x_22; 
-if (lean_is_scalar(x_11)) {
- x_22 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_22 = x_11;
-}
-lean_ctor_set(x_22, 0, x_12);
-lean_ctor_set(x_22, 1, x_13);
-return x_22;
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_12, 0);
-lean_inc(x_23);
-lean_dec(x_12);
-x_24 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_24, 0, x_23);
-if (lean_is_scalar(x_11)) {
- x_25 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_25 = x_11;
-}
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_13);
-return x_25;
-}
-}
-}
-block_34:
-{
-lean_object* x_29; uint8_t x_30; 
-x_29 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_28);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
-{
-lean_object* x_31; 
-x_31 = lean_ctor_get(x_29, 0);
-lean_dec(x_31);
-lean_ctor_set_tag(x_29, 1);
-lean_ctor_set(x_29, 0, x_27);
-return x_29;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; 
-x_32 = lean_ctor_get(x_29, 1);
-lean_inc(x_32);
-lean_dec(x_29);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_27);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_object* x_188; lean_object* x_189; lean_object* x_190; 
+x_188 = lean_ctor_get(x_8, 0);
+x_189 = lean_ctor_get(x_8, 1);
+lean_inc(x_189);
+lean_inc(x_188);
+lean_dec(x_8);
+x_190 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_190, 0, x_188);
+lean_ctor_set(x_190, 1, x_189);
+return x_190;
 }
 }
 }
@@ -5197,9 +5362,12 @@ return x_33;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfTarget_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1___at_Lean_Meta_splitIfTarget_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-return x_8;
+lean_object* x_8; lean_object* x_9; 
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_splitIfTarget_x3f___lambda__1), 7, 2);
+lean_closure_set(x_8, 0, x_1);
+lean_closure_set(x_8, 1, x_2);
+x_9 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1(x_8, x_3, x_4, x_5, x_6, x_7);
+return x_9;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -5354,7 +5522,7 @@ return x_36;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
@@ -6024,175 +6192,26 @@ return x_120;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_inc(x_1);
-x_10 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2___lambda__1), 9, 4);
-lean_closure_set(x_10, 0, x_4);
-lean_closure_set(x_10, 1, x_1);
-lean_closure_set(x_10, 2, x_3);
-lean_closure_set(x_10, 3, x_2);
-x_11 = l_Lean_Meta_saveState___rarg(x_6, x_7, x_8, x_9);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_14 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_10, x_5, x_6, x_7, x_8, x_13);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_16);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_12);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-x_20 = lean_box(0);
-lean_ctor_set(x_17, 0, x_20);
-return x_17;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_17, 1);
-lean_inc(x_21);
-lean_dec(x_17);
-x_22 = lean_box(0);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_21);
-return x_23;
-}
-}
-else
-{
-uint8_t x_24; 
-lean_dec(x_12);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_24 = !lean_is_exclusive(x_14);
-if (x_24 == 0)
-{
-lean_object* x_25; uint8_t x_26; 
-x_25 = lean_ctor_get(x_14, 0);
-lean_dec(x_25);
-x_26 = !lean_is_exclusive(x_15);
-if (x_26 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_15, 0);
-lean_inc(x_27);
-lean_dec(x_15);
-x_28 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_14, 0, x_28);
-return x_14;
-}
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_29 = lean_ctor_get(x_14, 1);
-lean_inc(x_29);
-lean_dec(x_14);
-x_30 = lean_ctor_get(x_15, 0);
-lean_inc(x_30);
-if (lean_is_exclusive(x_15)) {
- lean_ctor_release(x_15, 0);
- x_31 = x_15;
-} else {
- lean_dec_ref(x_15);
- x_31 = lean_box(0);
-}
-if (lean_is_scalar(x_31)) {
- x_32 = lean_alloc_ctor(1, 1, 0);
-} else {
- x_32 = x_31;
-}
-lean_ctor_set(x_32, 0, x_30);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_29);
-return x_33;
-}
-}
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_34 = lean_ctor_get(x_14, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_14, 1);
-lean_inc(x_35);
-lean_dec(x_14);
-x_36 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_35);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_12);
-x_37 = !lean_is_exclusive(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; 
-x_38 = lean_ctor_get(x_36, 0);
-lean_dec(x_38);
-lean_ctor_set_tag(x_36, 1);
-lean_ctor_set(x_36, 0, x_34);
-return x_36;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; 
-x_39 = lean_ctor_get(x_36, 1);
-lean_inc(x_39);
-lean_dec(x_36);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_34);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 lean_inc(x_2);
 x_9 = l_Lean_Expr_fvar___override(x_2);
-x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2(x_1, x_2, x_3, x_9, x_4, x_5, x_6, x_7, x_8);
-return x_10;
+lean_inc(x_1);
+x_10 = lean_alloc_closure((void*)(l_Lean_Meta_splitIfLocalDecl_x3f___lambda__1), 9, 4);
+lean_closure_set(x_10, 0, x_9);
+lean_closure_set(x_10, 1, x_1);
+lean_closure_set(x_10, 2, x_3);
+lean_closure_set(x_10, 3, x_2);
+x_11 = lean_alloc_closure((void*)(l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg), 7, 2);
+lean_closure_set(x_11, 0, x_1);
+lean_closure_set(x_11, 1, x_10);
+x_12 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1(x_11, x_4, x_5, x_6, x_7, x_8);
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1871_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1881_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
@@ -6360,7 +6379,7 @@ l_Lean_Meta_simpIfLocalDecl___closed__3 = _init_l_Lean_Meta_simpIfLocalDecl___cl
 lean_mark_persistent(l_Lean_Meta_simpIfLocalDecl___closed__3);
 l_Lean_Meta_simpIfLocalDecl___closed__4 = _init_l_Lean_Meta_simpIfLocalDecl___closed__4();
 lean_mark_persistent(l_Lean_Meta_simpIfLocalDecl___closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1871_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1881_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Subst.c b/stage0/stdlib/Lean/Meta/Tactic/Subst.c
index a694a1cd8e..52e58cf126 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Subst.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Subst.c
@@ -73,7 +73,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_substCore___lambda__16(lean_object*, lean_o
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_substSomeVar_x3f___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_substCore___lambda__8___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Meta_subst_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_mkStr3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -152,10 +151,8 @@ lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, ui
 static lean_object* l_Lean_Meta_substCore___lambda__19___closed__1;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_substCore___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_subst_findEq___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_substCore___lambda__11(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_substCore___lambda__13___boxed(lean_object**);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_heqToEq___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_subst_findEq___lambda__1___closed__2;
@@ -9845,98 +9842,15 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_8, 1);
-lean_inc(x_10);
-lean_dec(x_8);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_11 = l_Lean_Meta_subst(x_1, x_2, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_11) == 0)
-{
-uint8_t x_12; 
-lean_dec(x_9);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_11, 0, x_14);
-return x_11;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_ctor_get(x_11, 0);
-x_16 = lean_ctor_get(x_11, 1);
-lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_11);
-x_17 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_17, 0, x_15);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_16);
-return x_18;
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_19 = lean_ctor_get(x_11, 1);
-lean_inc(x_19);
-lean_dec(x_11);
-x_20 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_19);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-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);
-lean_dec(x_22);
-x_23 = lean_box(0);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_20, 1);
-lean_inc(x_24);
-lean_dec(x_20);
-x_25 = lean_box(0);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_24);
-return x_26;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_subst_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-return x_8;
+lean_object* x_8; lean_object* x_9; 
+x_8 = lean_alloc_closure((void*)(l_Lean_Meta_subst), 7, 2);
+lean_closure_set(x_8, 0, x_1);
+lean_closure_set(x_8, 1, x_2);
+x_9 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1(x_8, x_3, x_4, x_5, x_6, x_7);
+return x_9;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -10025,112 +9939,22 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, uint8_t x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = l_Lean_Meta_saveState___rarg(x_8, x_9, x_10, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_15 = l_Lean_Meta_substCore(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
-if (lean_obj_tag(x_15) == 0)
-{
-uint8_t x_16; 
-lean_dec(x_13);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-x_18 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_19 = lean_ctor_get(x_15, 0);
-x_20 = lean_ctor_get(x_15, 1);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_15);
-x_21 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_21, 0, x_19);
-x_22 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_22, 0, x_21);
-lean_ctor_set(x_22, 1, x_20);
-return x_22;
-}
-}
-else
-{
-lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_23 = lean_ctor_get(x_15, 1);
-lean_inc(x_23);
-lean_dec(x_15);
-x_24 = l_Lean_Meta_SavedState_restore(x_13, x_7, x_8, x_9, x_10, x_23);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_13);
-x_25 = !lean_is_exclusive(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_ctor_get(x_24, 0);
-lean_dec(x_26);
-x_27 = lean_box(0);
-lean_ctor_set(x_24, 0, x_27);
-return x_24;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-lean_dec(x_24);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_substCore_x3f(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, uint8_t x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_12; 
-x_12 = l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-uint8_t x_12; uint8_t x_13; uint8_t x_14; lean_object* x_15; 
-x_12 = lean_unbox(x_3);
-lean_dec(x_3);
-x_13 = lean_unbox(x_5);
-lean_dec(x_5);
-x_14 = lean_unbox(x_6);
-lean_dec(x_6);
-x_15 = l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1___at_Lean_Meta_substCore_x3f___spec__2(x_1, x_2, x_12, x_4, x_13, x_14, x_7, x_8, x_9, x_10, x_11);
-return x_15;
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_box(x_3);
+x_13 = lean_box(x_5);
+x_14 = lean_box(x_6);
+x_15 = lean_alloc_closure((void*)(l_Lean_Meta_substCore___boxed), 11, 6);
+lean_closure_set(x_15, 0, x_1);
+lean_closure_set(x_15, 1, x_2);
+lean_closure_set(x_15, 2, x_12);
+lean_closure_set(x_15, 3, x_4);
+lean_closure_set(x_15, 4, x_13);
+lean_closure_set(x_15, 5, x_14);
+x_16 = l_Lean_observing_x3f___at_Lean_Meta_substCore_x3f___spec__1(x_15, x_7, x_8, x_9, x_10, x_11);
+return x_16;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Meta_substCore_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
@@ -10152,7 +9976,7 @@ _start:
 {
 lean_object* x_8; lean_object* x_9; 
 lean_inc(x_1);
-x_8 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_Meta_subst_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 if (lean_obj_tag(x_9) == 0)
@@ -10449,7 +10273,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_33 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_32, x_8, x_9, x_10, x_11, x_12);
+x_33 = l_Lean_Meta_subst_x3f(x_1, x_32, x_8, x_9, x_10, x_11, x_12);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 if (lean_obj_tag(x_34) == 0)
@@ -10521,7 +10345,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_49 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_48, x_8, x_9, x_10, x_11, x_12);
+x_49 = l_Lean_Meta_subst_x3f(x_1, x_48, x_8, x_9, x_10, x_11, x_12);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 if (lean_obj_tag(x_50) == 0)
@@ -10855,7 +10679,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_34 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_33, x_8, x_9, x_10, x_11, x_12);
+x_34 = l_Lean_Meta_subst_x3f(x_1, x_33, x_8, x_9, x_10, x_11, x_12);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 if (lean_obj_tag(x_35) == 0)
@@ -10927,7 +10751,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_1);
-x_50 = l_Lean_observing_x3f___at_Lean_Meta_subst_x3f___spec__1___at_Lean_Meta_subst_x3f___spec__2(x_1, x_49, x_8, x_9, x_10, x_11, x_12);
+x_50 = l_Lean_Meta_subst_x3f(x_1, x_49, x_8, x_9, x_10, x_11, x_12);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 if (lean_obj_tag(x_51) == 0)
diff --git a/stage0/stdlib/Lean/Parser.c b/stage0/stdlib/Lean/Parser.c
index 31293000f8..b0a2ca2c2b 100644
--- a/stage0/stdlib/Lean/Parser.c
+++ b/stage0/stdlib/Lean/Parser.c
@@ -38,6 +38,7 @@ lean_object* l_Lean_Parser_mkAntiquot_parenthesizer(lean_object*, lean_object*,
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__193;
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__33;
+lean_object* l_Lean_PrettyPrinter_Parenthesizer_withAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Formatter_ident_formatter___closed__1;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__25;
 lean_object* l_Lean_PrettyPrinter_Formatter_checkLinebreakBefore_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -263,6 +264,7 @@ static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__1
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__12;
 lean_object* l_Lean_PrettyPrinter_Formatter_lookahead_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Formatter_scientificLit_formatter___closed__2;
+lean_object* l_Lean_PrettyPrinter_Formatter_mkAntiquot_formatter_x27___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__127;
 lean_object* l_Lean_Parser_Term_char_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__156;
@@ -408,6 +410,7 @@ static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__8
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__17;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__97;
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_scientificLit_parenthesizer___closed__1;
+lean_object* l_Lean_PrettyPrinter_Parenthesizer_mkAntiquot_parenthesizer_x27___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_scientificLit_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__150;
 static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser___hyg_8____closed__57;
@@ -6127,7 +6130,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_PrettyPrinter_Parenthesizer_withAntiquot_parenthesizer(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 return x_8;
 }
 }
@@ -6742,289 +6745,318 @@ return x_149;
 }
 case 9:
 {
-lean_object* x_150; lean_object* x_151; lean_object* x_152; 
-x_150 = lean_ctor_get(x_1, 1);
+lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
+x_150 = lean_ctor_get(x_1, 0);
 lean_inc(x_150);
-x_151 = lean_ctor_get(x_1, 2);
+x_151 = lean_ctor_get(x_1, 1);
 lean_inc(x_151);
+x_152 = lean_ctor_get(x_1, 2);
+lean_inc(x_152);
 lean_dec(x_1);
-x_152 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_151, x_2, x_3, x_4);
-if (lean_obj_tag(x_152) == 0)
+x_153 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_152, x_2, x_3, x_4);
+if (lean_obj_tag(x_153) == 0)
 {
-uint8_t x_153; 
-x_153 = !lean_is_exclusive(x_152);
-if (x_153 == 0)
+uint8_t x_154; 
+x_154 = !lean_is_exclusive(x_153);
+if (x_154 == 0)
 {
-lean_object* x_154; lean_object* x_155; 
-x_154 = lean_ctor_get(x_152, 0);
-x_155 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__8), 7, 2);
-lean_closure_set(x_155, 0, x_150);
-lean_closure_set(x_155, 1, x_154);
-lean_ctor_set(x_152, 0, x_155);
-return x_152;
+lean_object* x_155; uint8_t x_156; uint8_t x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
+x_155 = lean_ctor_get(x_153, 0);
+x_156 = 1;
+x_157 = 0;
+x_158 = lean_box(x_156);
+x_159 = lean_box(x_157);
+lean_inc(x_151);
+x_160 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_mkAntiquot_parenthesizer_x27___boxed), 9, 4);
+lean_closure_set(x_160, 0, x_150);
+lean_closure_set(x_160, 1, x_151);
+lean_closure_set(x_160, 2, x_158);
+lean_closure_set(x_160, 3, x_159);
+x_161 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer), 7, 2);
+lean_closure_set(x_161, 0, x_151);
+lean_closure_set(x_161, 1, x_155);
+x_162 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__8), 7, 2);
+lean_closure_set(x_162, 0, x_160);
+lean_closure_set(x_162, 1, x_161);
+lean_ctor_set(x_153, 0, x_162);
+return x_153;
 }
 else
 {
-lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_156 = lean_ctor_get(x_152, 0);
-x_157 = lean_ctor_get(x_152, 1);
-lean_inc(x_157);
-lean_inc(x_156);
-lean_dec(x_152);
-x_158 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__8), 7, 2);
-lean_closure_set(x_158, 0, x_150);
-lean_closure_set(x_158, 1, x_156);
-x_159 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_159, 0, x_158);
-lean_ctor_set(x_159, 1, x_157);
-return x_159;
+lean_object* x_163; lean_object* x_164; uint8_t x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+x_163 = lean_ctor_get(x_153, 0);
+x_164 = lean_ctor_get(x_153, 1);
+lean_inc(x_164);
+lean_inc(x_163);
+lean_dec(x_153);
+x_165 = 1;
+x_166 = 0;
+x_167 = lean_box(x_165);
+x_168 = lean_box(x_166);
+lean_inc(x_151);
+x_169 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_mkAntiquot_parenthesizer_x27___boxed), 9, 4);
+lean_closure_set(x_169, 0, x_150);
+lean_closure_set(x_169, 1, x_151);
+lean_closure_set(x_169, 2, x_167);
+lean_closure_set(x_169, 3, x_168);
+x_170 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer), 7, 2);
+lean_closure_set(x_170, 0, x_151);
+lean_closure_set(x_170, 1, x_163);
+x_171 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__8), 7, 2);
+lean_closure_set(x_171, 0, x_169);
+lean_closure_set(x_171, 1, x_170);
+x_172 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_164);
+return x_172;
 }
 }
 else
 {
-uint8_t x_160; 
+uint8_t x_173; 
+lean_dec(x_151);
 lean_dec(x_150);
-x_160 = !lean_is_exclusive(x_152);
-if (x_160 == 0)
+x_173 = !lean_is_exclusive(x_153);
+if (x_173 == 0)
 {
-return x_152;
+return x_153;
 }
 else
 {
-lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-x_161 = lean_ctor_get(x_152, 0);
-x_162 = lean_ctor_get(x_152, 1);
-lean_inc(x_162);
-lean_inc(x_161);
-lean_dec(x_152);
-x_163 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_163, 0, x_161);
-lean_ctor_set(x_163, 1, x_162);
-return x_163;
+lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+x_174 = lean_ctor_get(x_153, 0);
+x_175 = lean_ctor_get(x_153, 1);
+lean_inc(x_175);
+lean_inc(x_174);
+lean_dec(x_153);
+x_176 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_176, 0, x_174);
+lean_ctor_set(x_176, 1, x_175);
+return x_176;
 }
 }
 }
 case 10:
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; lean_object* x_168; 
-x_164 = lean_ctor_get(x_1, 0);
-lean_inc(x_164);
-x_165 = lean_ctor_get(x_1, 1);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_1, 2);
-lean_inc(x_166);
-x_167 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
+lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; lean_object* x_181; 
+x_177 = lean_ctor_get(x_1, 0);
+lean_inc(x_177);
+x_178 = lean_ctor_get(x_1, 1);
+lean_inc(x_178);
+x_179 = lean_ctor_get(x_1, 2);
+lean_inc(x_179);
+x_180 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
 lean_dec(x_1);
 lean_inc(x_3);
 lean_inc(x_2);
-x_168 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_164, x_2, x_3, x_4);
-if (lean_obj_tag(x_168) == 0)
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_168, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_168, 1);
-lean_inc(x_170);
-lean_dec(x_168);
-x_171 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_166, x_2, x_3, x_170);
-if (lean_obj_tag(x_171) == 0)
-{
-uint8_t x_172; 
-x_172 = !lean_is_exclusive(x_171);
-if (x_172 == 0)
-{
-lean_object* x_173; lean_object* x_174; lean_object* x_175; 
-x_173 = lean_ctor_get(x_171, 0);
-x_174 = lean_box(x_167);
-x_175 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__9___boxed), 9, 4);
-lean_closure_set(x_175, 0, x_165);
-lean_closure_set(x_175, 1, x_174);
-lean_closure_set(x_175, 2, x_169);
-lean_closure_set(x_175, 3, x_173);
-lean_ctor_set(x_171, 0, x_175);
-return x_171;
-}
-else
-{
-lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
-x_176 = lean_ctor_get(x_171, 0);
-x_177 = lean_ctor_get(x_171, 1);
-lean_inc(x_177);
-lean_inc(x_176);
-lean_dec(x_171);
-x_178 = lean_box(x_167);
-x_179 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__9___boxed), 9, 4);
-lean_closure_set(x_179, 0, x_165);
-lean_closure_set(x_179, 1, x_178);
-lean_closure_set(x_179, 2, x_169);
-lean_closure_set(x_179, 3, x_176);
-x_180 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_180, 0, x_179);
-lean_ctor_set(x_180, 1, x_177);
-return x_180;
-}
-}
-else
-{
-uint8_t x_181; 
-lean_dec(x_169);
-lean_dec(x_165);
-x_181 = !lean_is_exclusive(x_171);
-if (x_181 == 0)
-{
-return x_171;
-}
-else
+x_181 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_177, x_2, x_3, x_4);
+if (lean_obj_tag(x_181) == 0)
 {
 lean_object* x_182; lean_object* x_183; lean_object* x_184; 
-x_182 = lean_ctor_get(x_171, 0);
-x_183 = lean_ctor_get(x_171, 1);
-lean_inc(x_183);
+x_182 = lean_ctor_get(x_181, 0);
 lean_inc(x_182);
-lean_dec(x_171);
-x_184 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_184, 0, x_182);
-lean_ctor_set(x_184, 1, x_183);
-return x_184;
-}
-}
-}
-else
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_179, x_2, x_3, x_183);
+if (lean_obj_tag(x_184) == 0)
 {
 uint8_t x_185; 
-lean_dec(x_166);
-lean_dec(x_165);
-lean_dec(x_3);
-lean_dec(x_2);
-x_185 = !lean_is_exclusive(x_168);
+x_185 = !lean_is_exclusive(x_184);
 if (x_185 == 0)
 {
-return x_168;
+lean_object* x_186; lean_object* x_187; lean_object* x_188; 
+x_186 = lean_ctor_get(x_184, 0);
+x_187 = lean_box(x_180);
+x_188 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__9___boxed), 9, 4);
+lean_closure_set(x_188, 0, x_178);
+lean_closure_set(x_188, 1, x_187);
+lean_closure_set(x_188, 2, x_182);
+lean_closure_set(x_188, 3, x_186);
+lean_ctor_set(x_184, 0, x_188);
+return x_184;
 }
 else
 {
-lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_186 = lean_ctor_get(x_168, 0);
-x_187 = lean_ctor_get(x_168, 1);
-lean_inc(x_187);
-lean_inc(x_186);
-lean_dec(x_168);
-x_188 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_188, 0, x_186);
-lean_ctor_set(x_188, 1, x_187);
-return x_188;
+lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; 
+x_189 = lean_ctor_get(x_184, 0);
+x_190 = lean_ctor_get(x_184, 1);
+lean_inc(x_190);
+lean_inc(x_189);
+lean_dec(x_184);
+x_191 = lean_box(x_180);
+x_192 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__9___boxed), 9, 4);
+lean_closure_set(x_192, 0, x_178);
+lean_closure_set(x_192, 1, x_191);
+lean_closure_set(x_192, 2, x_182);
+lean_closure_set(x_192, 3, x_189);
+x_193 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_193, 0, x_192);
+lean_ctor_set(x_193, 1, x_190);
+return x_193;
+}
+}
+else
+{
+uint8_t x_194; 
+lean_dec(x_182);
+lean_dec(x_178);
+x_194 = !lean_is_exclusive(x_184);
+if (x_194 == 0)
+{
+return x_184;
+}
+else
+{
+lean_object* x_195; lean_object* x_196; lean_object* x_197; 
+x_195 = lean_ctor_get(x_184, 0);
+x_196 = lean_ctor_get(x_184, 1);
+lean_inc(x_196);
+lean_inc(x_195);
+lean_dec(x_184);
+x_197 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_197, 0, x_195);
+lean_ctor_set(x_197, 1, x_196);
+return x_197;
+}
+}
+}
+else
+{
+uint8_t x_198; 
+lean_dec(x_179);
+lean_dec(x_178);
+lean_dec(x_3);
+lean_dec(x_2);
+x_198 = !lean_is_exclusive(x_181);
+if (x_198 == 0)
+{
+return x_181;
+}
+else
+{
+lean_object* x_199; lean_object* x_200; lean_object* x_201; 
+x_199 = lean_ctor_get(x_181, 0);
+x_200 = lean_ctor_get(x_181, 1);
+lean_inc(x_200);
+lean_inc(x_199);
+lean_dec(x_181);
+x_201 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_201, 0, x_199);
+lean_ctor_set(x_201, 1, x_200);
+return x_201;
 }
 }
 }
 default: 
 {
-lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; lean_object* x_193; 
-x_189 = lean_ctor_get(x_1, 0);
-lean_inc(x_189);
-x_190 = lean_ctor_get(x_1, 1);
-lean_inc(x_190);
-x_191 = lean_ctor_get(x_1, 2);
-lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; lean_object* x_206; 
+x_202 = lean_ctor_get(x_1, 0);
+lean_inc(x_202);
+x_203 = lean_ctor_get(x_1, 1);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_1, 2);
+lean_inc(x_204);
+x_205 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
 lean_dec(x_1);
 lean_inc(x_3);
 lean_inc(x_2);
-x_193 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_189, x_2, x_3, x_4);
-if (lean_obj_tag(x_193) == 0)
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_194 = lean_ctor_get(x_193, 0);
-lean_inc(x_194);
-x_195 = lean_ctor_get(x_193, 1);
-lean_inc(x_195);
-lean_dec(x_193);
-x_196 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_191, x_2, x_3, x_195);
-if (lean_obj_tag(x_196) == 0)
-{
-uint8_t x_197; 
-x_197 = !lean_is_exclusive(x_196);
-if (x_197 == 0)
-{
-lean_object* x_198; lean_object* x_199; lean_object* x_200; 
-x_198 = lean_ctor_get(x_196, 0);
-x_199 = lean_box(x_192);
-x_200 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__10___boxed), 9, 4);
-lean_closure_set(x_200, 0, x_190);
-lean_closure_set(x_200, 1, x_199);
-lean_closure_set(x_200, 2, x_194);
-lean_closure_set(x_200, 3, x_198);
-lean_ctor_set(x_196, 0, x_200);
-return x_196;
-}
-else
-{
-lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; 
-x_201 = lean_ctor_get(x_196, 0);
-x_202 = lean_ctor_get(x_196, 1);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_dec(x_196);
-x_203 = lean_box(x_192);
-x_204 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__10___boxed), 9, 4);
-lean_closure_set(x_204, 0, x_190);
-lean_closure_set(x_204, 1, x_203);
-lean_closure_set(x_204, 2, x_194);
-lean_closure_set(x_204, 3, x_201);
-x_205 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_205, 0, x_204);
-lean_ctor_set(x_205, 1, x_202);
-return x_205;
-}
-}
-else
-{
-uint8_t x_206; 
-lean_dec(x_194);
-lean_dec(x_190);
-x_206 = !lean_is_exclusive(x_196);
-if (x_206 == 0)
-{
-return x_196;
-}
-else
+x_206 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_202, x_2, x_3, x_4);
+if (lean_obj_tag(x_206) == 0)
 {
 lean_object* x_207; lean_object* x_208; lean_object* x_209; 
-x_207 = lean_ctor_get(x_196, 0);
-x_208 = lean_ctor_get(x_196, 1);
-lean_inc(x_208);
+x_207 = lean_ctor_get(x_206, 0);
 lean_inc(x_207);
-lean_dec(x_196);
-x_209 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_209, 0, x_207);
-lean_ctor_set(x_209, 1, x_208);
-return x_209;
-}
-}
-}
-else
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_pretty_printer_parenthesizer_interpret_parser_descr(x_204, x_2, x_3, x_208);
+if (lean_obj_tag(x_209) == 0)
 {
 uint8_t x_210; 
-lean_dec(x_191);
-lean_dec(x_190);
-lean_dec(x_3);
-lean_dec(x_2);
-x_210 = !lean_is_exclusive(x_193);
+x_210 = !lean_is_exclusive(x_209);
 if (x_210 == 0)
 {
-return x_193;
+lean_object* x_211; lean_object* x_212; lean_object* x_213; 
+x_211 = lean_ctor_get(x_209, 0);
+x_212 = lean_box(x_205);
+x_213 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__10___boxed), 9, 4);
+lean_closure_set(x_213, 0, x_203);
+lean_closure_set(x_213, 1, x_212);
+lean_closure_set(x_213, 2, x_207);
+lean_closure_set(x_213, 3, x_211);
+lean_ctor_set(x_209, 0, x_213);
+return x_209;
 }
 else
 {
-lean_object* x_211; lean_object* x_212; lean_object* x_213; 
-x_211 = lean_ctor_get(x_193, 0);
-x_212 = lean_ctor_get(x_193, 1);
-lean_inc(x_212);
-lean_inc(x_211);
-lean_dec(x_193);
-x_213 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_213, 0, x_211);
-lean_ctor_set(x_213, 1, x_212);
-return x_213;
+lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; 
+x_214 = lean_ctor_get(x_209, 0);
+x_215 = lean_ctor_get(x_209, 1);
+lean_inc(x_215);
+lean_inc(x_214);
+lean_dec(x_209);
+x_216 = lean_box(x_205);
+x_217 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_interpretParserDescr___elambda__10___boxed), 9, 4);
+lean_closure_set(x_217, 0, x_203);
+lean_closure_set(x_217, 1, x_216);
+lean_closure_set(x_217, 2, x_207);
+lean_closure_set(x_217, 3, x_214);
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_217);
+lean_ctor_set(x_218, 1, x_215);
+return x_218;
+}
+}
+else
+{
+uint8_t x_219; 
+lean_dec(x_207);
+lean_dec(x_203);
+x_219 = !lean_is_exclusive(x_209);
+if (x_219 == 0)
+{
+return x_209;
+}
+else
+{
+lean_object* x_220; lean_object* x_221; lean_object* x_222; 
+x_220 = lean_ctor_get(x_209, 0);
+x_221 = lean_ctor_get(x_209, 1);
+lean_inc(x_221);
+lean_inc(x_220);
+lean_dec(x_209);
+x_222 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_222, 0, x_220);
+lean_ctor_set(x_222, 1, x_221);
+return x_222;
+}
+}
+}
+else
+{
+uint8_t x_223; 
+lean_dec(x_204);
+lean_dec(x_203);
+lean_dec(x_3);
+lean_dec(x_2);
+x_223 = !lean_is_exclusive(x_206);
+if (x_223 == 0)
+{
+return x_206;
+}
+else
+{
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
+x_224 = lean_ctor_get(x_206, 0);
+x_225 = lean_ctor_get(x_206, 1);
+lean_inc(x_225);
+lean_inc(x_224);
+lean_dec(x_206);
+x_226 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_226, 0, x_224);
+lean_ctor_set(x_226, 1, x_225);
+return x_226;
 }
 }
 }
@@ -7390,7 +7422,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_interpretParserDescr___e
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_PrettyPrinter_Formatter_node_formatter(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_PrettyPrinter_Formatter_orelse_formatter(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 return x_8;
 }
 }
@@ -7994,289 +8026,318 @@ return x_145;
 }
 case 9:
 {
-lean_object* x_146; lean_object* x_147; lean_object* x_148; 
-x_146 = lean_ctor_get(x_1, 1);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
+x_146 = lean_ctor_get(x_1, 0);
 lean_inc(x_146);
-x_147 = lean_ctor_get(x_1, 2);
+x_147 = lean_ctor_get(x_1, 1);
 lean_inc(x_147);
+x_148 = lean_ctor_get(x_1, 2);
+lean_inc(x_148);
 lean_dec(x_1);
-x_148 = lean_pretty_printer_formatter_interpret_parser_descr(x_147, x_2, x_3, x_4);
-if (lean_obj_tag(x_148) == 0)
+x_149 = lean_pretty_printer_formatter_interpret_parser_descr(x_148, x_2, x_3, x_4);
+if (lean_obj_tag(x_149) == 0)
 {
-uint8_t x_149; 
-x_149 = !lean_is_exclusive(x_148);
-if (x_149 == 0)
+uint8_t x_150; 
+x_150 = !lean_is_exclusive(x_149);
+if (x_150 == 0)
 {
-lean_object* x_150; lean_object* x_151; 
-x_150 = lean_ctor_get(x_148, 0);
-x_151 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__8), 7, 2);
-lean_closure_set(x_151, 0, x_146);
-lean_closure_set(x_151, 1, x_150);
-lean_ctor_set(x_148, 0, x_151);
-return x_148;
+lean_object* x_151; uint8_t x_152; uint8_t x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; 
+x_151 = lean_ctor_get(x_149, 0);
+x_152 = 1;
+x_153 = 0;
+x_154 = lean_box(x_152);
+x_155 = lean_box(x_153);
+lean_inc(x_147);
+x_156 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_mkAntiquot_formatter_x27___boxed), 9, 4);
+lean_closure_set(x_156, 0, x_146);
+lean_closure_set(x_156, 1, x_147);
+lean_closure_set(x_156, 2, x_154);
+lean_closure_set(x_156, 3, x_155);
+x_157 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_node_formatter), 7, 2);
+lean_closure_set(x_157, 0, x_147);
+lean_closure_set(x_157, 1, x_151);
+x_158 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__8), 7, 2);
+lean_closure_set(x_158, 0, x_156);
+lean_closure_set(x_158, 1, x_157);
+lean_ctor_set(x_149, 0, x_158);
+return x_149;
 }
 else
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_152 = lean_ctor_get(x_148, 0);
-x_153 = lean_ctor_get(x_148, 1);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_dec(x_148);
-x_154 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__8), 7, 2);
-lean_closure_set(x_154, 0, x_146);
-lean_closure_set(x_154, 1, x_152);
-x_155 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_155, 0, x_154);
-lean_ctor_set(x_155, 1, x_153);
-return x_155;
+lean_object* x_159; lean_object* x_160; uint8_t x_161; uint8_t x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+x_159 = lean_ctor_get(x_149, 0);
+x_160 = lean_ctor_get(x_149, 1);
+lean_inc(x_160);
+lean_inc(x_159);
+lean_dec(x_149);
+x_161 = 1;
+x_162 = 0;
+x_163 = lean_box(x_161);
+x_164 = lean_box(x_162);
+lean_inc(x_147);
+x_165 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_mkAntiquot_formatter_x27___boxed), 9, 4);
+lean_closure_set(x_165, 0, x_146);
+lean_closure_set(x_165, 1, x_147);
+lean_closure_set(x_165, 2, x_163);
+lean_closure_set(x_165, 3, x_164);
+x_166 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_node_formatter), 7, 2);
+lean_closure_set(x_166, 0, x_147);
+lean_closure_set(x_166, 1, x_159);
+x_167 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__8), 7, 2);
+lean_closure_set(x_167, 0, x_165);
+lean_closure_set(x_167, 1, x_166);
+x_168 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_160);
+return x_168;
 }
 }
 else
 {
-uint8_t x_156; 
+uint8_t x_169; 
+lean_dec(x_147);
 lean_dec(x_146);
-x_156 = !lean_is_exclusive(x_148);
-if (x_156 == 0)
+x_169 = !lean_is_exclusive(x_149);
+if (x_169 == 0)
 {
-return x_148;
+return x_149;
 }
 else
 {
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_157 = lean_ctor_get(x_148, 0);
-x_158 = lean_ctor_get(x_148, 1);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_dec(x_148);
-x_159 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_159, 0, x_157);
-lean_ctor_set(x_159, 1, x_158);
-return x_159;
+lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+x_170 = lean_ctor_get(x_149, 0);
+x_171 = lean_ctor_get(x_149, 1);
+lean_inc(x_171);
+lean_inc(x_170);
+lean_dec(x_149);
+x_172 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_172, 0, x_170);
+lean_ctor_set(x_172, 1, x_171);
+return x_172;
 }
 }
 }
 case 10:
 {
-lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; 
-x_160 = lean_ctor_get(x_1, 0);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_1, 1);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_1, 2);
-lean_inc(x_162);
-x_163 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
+lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; lean_object* x_177; 
+x_173 = lean_ctor_get(x_1, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_1, 1);
+lean_inc(x_174);
+x_175 = lean_ctor_get(x_1, 2);
+lean_inc(x_175);
+x_176 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
 lean_dec(x_1);
 lean_inc(x_3);
 lean_inc(x_2);
-x_164 = lean_pretty_printer_formatter_interpret_parser_descr(x_160, x_2, x_3, x_4);
-if (lean_obj_tag(x_164) == 0)
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-x_165 = lean_ctor_get(x_164, 0);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_164, 1);
-lean_inc(x_166);
-lean_dec(x_164);
-x_167 = lean_pretty_printer_formatter_interpret_parser_descr(x_162, x_2, x_3, x_166);
-if (lean_obj_tag(x_167) == 0)
-{
-uint8_t x_168; 
-x_168 = !lean_is_exclusive(x_167);
-if (x_168 == 0)
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_167, 0);
-x_170 = lean_box(x_163);
-x_171 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__9___boxed), 9, 4);
-lean_closure_set(x_171, 0, x_161);
-lean_closure_set(x_171, 1, x_170);
-lean_closure_set(x_171, 2, x_165);
-lean_closure_set(x_171, 3, x_169);
-lean_ctor_set(x_167, 0, x_171);
-return x_167;
-}
-else
-{
-lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-x_172 = lean_ctor_get(x_167, 0);
-x_173 = lean_ctor_get(x_167, 1);
-lean_inc(x_173);
-lean_inc(x_172);
-lean_dec(x_167);
-x_174 = lean_box(x_163);
-x_175 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__9___boxed), 9, 4);
-lean_closure_set(x_175, 0, x_161);
-lean_closure_set(x_175, 1, x_174);
-lean_closure_set(x_175, 2, x_165);
-lean_closure_set(x_175, 3, x_172);
-x_176 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_176, 0, x_175);
-lean_ctor_set(x_176, 1, x_173);
-return x_176;
-}
-}
-else
-{
-uint8_t x_177; 
-lean_dec(x_165);
-lean_dec(x_161);
-x_177 = !lean_is_exclusive(x_167);
-if (x_177 == 0)
-{
-return x_167;
-}
-else
+x_177 = lean_pretty_printer_formatter_interpret_parser_descr(x_173, x_2, x_3, x_4);
+if (lean_obj_tag(x_177) == 0)
 {
 lean_object* x_178; lean_object* x_179; lean_object* x_180; 
-x_178 = lean_ctor_get(x_167, 0);
-x_179 = lean_ctor_get(x_167, 1);
-lean_inc(x_179);
+x_178 = lean_ctor_get(x_177, 0);
 lean_inc(x_178);
-lean_dec(x_167);
-x_180 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_180, 0, x_178);
-lean_ctor_set(x_180, 1, x_179);
-return x_180;
-}
-}
-}
-else
+x_179 = lean_ctor_get(x_177, 1);
+lean_inc(x_179);
+lean_dec(x_177);
+x_180 = lean_pretty_printer_formatter_interpret_parser_descr(x_175, x_2, x_3, x_179);
+if (lean_obj_tag(x_180) == 0)
 {
 uint8_t x_181; 
-lean_dec(x_162);
-lean_dec(x_161);
-lean_dec(x_3);
-lean_dec(x_2);
-x_181 = !lean_is_exclusive(x_164);
+x_181 = !lean_is_exclusive(x_180);
 if (x_181 == 0)
 {
-return x_164;
+lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+x_182 = lean_ctor_get(x_180, 0);
+x_183 = lean_box(x_176);
+x_184 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__9___boxed), 9, 4);
+lean_closure_set(x_184, 0, x_174);
+lean_closure_set(x_184, 1, x_183);
+lean_closure_set(x_184, 2, x_178);
+lean_closure_set(x_184, 3, x_182);
+lean_ctor_set(x_180, 0, x_184);
+return x_180;
 }
 else
 {
-lean_object* x_182; lean_object* x_183; lean_object* x_184; 
-x_182 = lean_ctor_get(x_164, 0);
-x_183 = lean_ctor_get(x_164, 1);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_dec(x_164);
-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* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_185 = lean_ctor_get(x_180, 0);
+x_186 = lean_ctor_get(x_180, 1);
+lean_inc(x_186);
+lean_inc(x_185);
+lean_dec(x_180);
+x_187 = lean_box(x_176);
+x_188 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__9___boxed), 9, 4);
+lean_closure_set(x_188, 0, x_174);
+lean_closure_set(x_188, 1, x_187);
+lean_closure_set(x_188, 2, x_178);
+lean_closure_set(x_188, 3, x_185);
+x_189 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_189, 0, x_188);
+lean_ctor_set(x_189, 1, x_186);
+return x_189;
+}
+}
+else
+{
+uint8_t x_190; 
+lean_dec(x_178);
+lean_dec(x_174);
+x_190 = !lean_is_exclusive(x_180);
+if (x_190 == 0)
+{
+return x_180;
+}
+else
+{
+lean_object* x_191; lean_object* x_192; lean_object* x_193; 
+x_191 = lean_ctor_get(x_180, 0);
+x_192 = lean_ctor_get(x_180, 1);
+lean_inc(x_192);
+lean_inc(x_191);
+lean_dec(x_180);
+x_193 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_193, 0, x_191);
+lean_ctor_set(x_193, 1, x_192);
+return x_193;
+}
+}
+}
+else
+{
+uint8_t x_194; 
+lean_dec(x_175);
+lean_dec(x_174);
+lean_dec(x_3);
+lean_dec(x_2);
+x_194 = !lean_is_exclusive(x_177);
+if (x_194 == 0)
+{
+return x_177;
+}
+else
+{
+lean_object* x_195; lean_object* x_196; lean_object* x_197; 
+x_195 = lean_ctor_get(x_177, 0);
+x_196 = lean_ctor_get(x_177, 1);
+lean_inc(x_196);
+lean_inc(x_195);
+lean_dec(x_177);
+x_197 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_197, 0, x_195);
+lean_ctor_set(x_197, 1, x_196);
+return x_197;
 }
 }
 }
 default: 
 {
-lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; 
-x_185 = lean_ctor_get(x_1, 0);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_1, 1);
-lean_inc(x_186);
-x_187 = lean_ctor_get(x_1, 2);
-lean_inc(x_187);
-x_188 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
+lean_object* x_198; lean_object* x_199; lean_object* x_200; uint8_t x_201; lean_object* x_202; 
+x_198 = lean_ctor_get(x_1, 0);
+lean_inc(x_198);
+x_199 = lean_ctor_get(x_1, 1);
+lean_inc(x_199);
+x_200 = lean_ctor_get(x_1, 2);
+lean_inc(x_200);
+x_201 = lean_ctor_get_uint8(x_1, sizeof(void*)*3);
 lean_dec(x_1);
 lean_inc(x_3);
 lean_inc(x_2);
-x_189 = lean_pretty_printer_formatter_interpret_parser_descr(x_185, x_2, x_3, x_4);
-if (lean_obj_tag(x_189) == 0)
-{
-lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-x_190 = lean_ctor_get(x_189, 0);
-lean_inc(x_190);
-x_191 = lean_ctor_get(x_189, 1);
-lean_inc(x_191);
-lean_dec(x_189);
-x_192 = lean_pretty_printer_formatter_interpret_parser_descr(x_187, x_2, x_3, x_191);
-if (lean_obj_tag(x_192) == 0)
-{
-uint8_t x_193; 
-x_193 = !lean_is_exclusive(x_192);
-if (x_193 == 0)
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_194 = lean_ctor_get(x_192, 0);
-x_195 = lean_box(x_188);
-x_196 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__10___boxed), 9, 4);
-lean_closure_set(x_196, 0, x_186);
-lean_closure_set(x_196, 1, x_195);
-lean_closure_set(x_196, 2, x_190);
-lean_closure_set(x_196, 3, x_194);
-lean_ctor_set(x_192, 0, x_196);
-return x_192;
-}
-else
-{
-lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_197 = lean_ctor_get(x_192, 0);
-x_198 = lean_ctor_get(x_192, 1);
-lean_inc(x_198);
-lean_inc(x_197);
-lean_dec(x_192);
-x_199 = lean_box(x_188);
-x_200 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__10___boxed), 9, 4);
-lean_closure_set(x_200, 0, x_186);
-lean_closure_set(x_200, 1, x_199);
-lean_closure_set(x_200, 2, x_190);
-lean_closure_set(x_200, 3, x_197);
-x_201 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_201, 0, x_200);
-lean_ctor_set(x_201, 1, x_198);
-return x_201;
-}
-}
-else
-{
-uint8_t x_202; 
-lean_dec(x_190);
-lean_dec(x_186);
-x_202 = !lean_is_exclusive(x_192);
-if (x_202 == 0)
-{
-return x_192;
-}
-else
+x_202 = lean_pretty_printer_formatter_interpret_parser_descr(x_198, x_2, x_3, x_4);
+if (lean_obj_tag(x_202) == 0)
 {
 lean_object* x_203; lean_object* x_204; lean_object* x_205; 
-x_203 = lean_ctor_get(x_192, 0);
-x_204 = lean_ctor_get(x_192, 1);
-lean_inc(x_204);
+x_203 = lean_ctor_get(x_202, 0);
 lean_inc(x_203);
-lean_dec(x_192);
-x_205 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_205, 0, x_203);
-lean_ctor_set(x_205, 1, x_204);
-return x_205;
-}
-}
-}
-else
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_pretty_printer_formatter_interpret_parser_descr(x_200, x_2, x_3, x_204);
+if (lean_obj_tag(x_205) == 0)
 {
 uint8_t x_206; 
-lean_dec(x_187);
-lean_dec(x_186);
-lean_dec(x_3);
-lean_dec(x_2);
-x_206 = !lean_is_exclusive(x_189);
+x_206 = !lean_is_exclusive(x_205);
 if (x_206 == 0)
 {
-return x_189;
+lean_object* x_207; lean_object* x_208; lean_object* x_209; 
+x_207 = lean_ctor_get(x_205, 0);
+x_208 = lean_box(x_201);
+x_209 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__10___boxed), 9, 4);
+lean_closure_set(x_209, 0, x_199);
+lean_closure_set(x_209, 1, x_208);
+lean_closure_set(x_209, 2, x_203);
+lean_closure_set(x_209, 3, x_207);
+lean_ctor_set(x_205, 0, x_209);
+return x_205;
 }
 else
 {
-lean_object* x_207; lean_object* x_208; lean_object* x_209; 
-x_207 = lean_ctor_get(x_189, 0);
-x_208 = lean_ctor_get(x_189, 1);
-lean_inc(x_208);
-lean_inc(x_207);
-lean_dec(x_189);
-x_209 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_209, 0, x_207);
-lean_ctor_set(x_209, 1, x_208);
-return x_209;
+lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
+x_210 = lean_ctor_get(x_205, 0);
+x_211 = lean_ctor_get(x_205, 1);
+lean_inc(x_211);
+lean_inc(x_210);
+lean_dec(x_205);
+x_212 = lean_box(x_201);
+x_213 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_interpretParserDescr___elambda__10___boxed), 9, 4);
+lean_closure_set(x_213, 0, x_199);
+lean_closure_set(x_213, 1, x_212);
+lean_closure_set(x_213, 2, x_203);
+lean_closure_set(x_213, 3, x_210);
+x_214 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_214, 0, x_213);
+lean_ctor_set(x_214, 1, x_211);
+return x_214;
+}
+}
+else
+{
+uint8_t x_215; 
+lean_dec(x_203);
+lean_dec(x_199);
+x_215 = !lean_is_exclusive(x_205);
+if (x_215 == 0)
+{
+return x_205;
+}
+else
+{
+lean_object* x_216; lean_object* x_217; lean_object* x_218; 
+x_216 = lean_ctor_get(x_205, 0);
+x_217 = lean_ctor_get(x_205, 1);
+lean_inc(x_217);
+lean_inc(x_216);
+lean_dec(x_205);
+x_218 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_218, 0, x_216);
+lean_ctor_set(x_218, 1, x_217);
+return x_218;
+}
+}
+}
+else
+{
+uint8_t x_219; 
+lean_dec(x_200);
+lean_dec(x_199);
+lean_dec(x_3);
+lean_dec(x_2);
+x_219 = !lean_is_exclusive(x_202);
+if (x_219 == 0)
+{
+return x_202;
+}
+else
+{
+lean_object* x_220; lean_object* x_221; lean_object* x_222; 
+x_220 = lean_ctor_get(x_202, 0);
+x_221 = lean_ctor_get(x_202, 1);
+lean_inc(x_221);
+lean_inc(x_220);
+lean_dec(x_202);
+x_222 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_222, 0, x_220);
+lean_ctor_set(x_222, 1, x_221);
+return x_222;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Parser/Extra.c b/stage0/stdlib/Lean/Parser/Extra.c
index dd28f741fa..2400e833a3 100644
--- a/stage0/stdlib/Lean/Parser/Extra.c
+++ b/stage0/stdlib/Lean/Parser/Extra.c
@@ -15,10 +15,10 @@ extern "C" {
 #endif
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__53;
 lean_object* l_List_reverse___rarg(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__105;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__42;
 lean_object* l_Lean_PrettyPrinter_Formatter_rawIdentNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__123;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__22;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_withoutInfo_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__16;
@@ -30,16 +30,16 @@ static lean_object* l_List_forIn_loop___at_Lean_Parser_sepByIndent_formatter___s
 lean_object* l_Lean_PrettyPrinter_Formatter_visitArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__6;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__16;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppRealGroup_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__16;
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Parser_sepByIndent_formatter___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_checkLinebreakBefore(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__115;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_categoryParser_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__14;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__115;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__85;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__28;
 lean_object* l_Lean_PrettyPrinter_Formatter_numLitNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__85;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardSpace_parenthesizer___rarg(lean_object*);
 static lean_object* l_Lean_Parser_optional___closed__1;
 static lean_object* l_Lean_Parser_commandParser_formatter___rarg___closed__2;
@@ -50,26 +50,26 @@ LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquot_parenthesizer(lean_object*, le
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__37;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__66;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppSpace_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__30;
 lean_object* l_Lean_PrettyPrinter_Formatter_identNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__55;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__10;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__56;
 LEAN_EXPORT lean_object* l_Lean_ppHardSpace_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppGroup_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_node3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_rawIdentNoAntiquot_parenthesizer___boxed(lean_object*);
 lean_object* l_Lean_Parser_manyNoAntiquot(lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_withAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__77;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__20;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__56;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__66;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__6;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__117;
 LEAN_EXPORT lean_object* l_Lean_ppHardLineUnlessUngrouped_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__81;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__77;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__5;
 extern lean_object* l_Lean_Parser_strLitNoAntiquot;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__87;
 lean_object* l_Lean_PrettyPrinter_Formatter_sepByNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_many(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at_Lean_Parser_sepByIndent_formatter___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -77,9 +77,9 @@ static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__10;
 lean_object* l_Lean_Syntax_getOptional_x3f(lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__12;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__16;
 static lean_object* l_Lean_Parser_antiquotExpr_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__68;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_leadingNode_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppSpace_parenthesizer___rarg(lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__7;
@@ -92,28 +92,31 @@ LEAN_EXPORT lean_object* l_Lean_Parser_symbol_formatter(lean_object*, lean_objec
 LEAN_EXPORT lean_object* l_Lean_Parser_charLit;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__15;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__43;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__87;
 lean_object* l_Lean_SourceInfo_fromRef(lean_object*, uint8_t);
 lean_object* l_Lean_PrettyPrinter_Formatter_indent(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__116;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_nameLitNoAntiquot;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppAllowUngrouped_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__102;
 static lean_object* l_Lean_Parser_ident_formatter___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_atomic_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__90;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__79;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__18;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__15;
 LEAN_EXPORT lean_object* l_Lean_Parser_group_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_manyNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__12;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_parenthesizer(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__90;
 static lean_object* l_Lean_Parser_nameLit_formatter___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__102;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__105;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedentIfGrouped___boxed(lean_object*);
 extern lean_object* l_Lean_Parser_pushNone;
 static lean_object* l_Lean_Parser_ident_formatter___closed__2;
 lean_object* l_Lean_Syntax_node2(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__116;
 LEAN_EXPORT lean_object* l_Lean_Parser_scientificLit;
 LEAN_EXPORT lean_object* l_Lean_ppSpace_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -121,71 +124,74 @@ static lean_object* l_Lean_Parser_many_parenthesizer___closed__1;
 lean_object* l_Lean_PrettyPrinter_Formatter_orelse_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_group(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ident;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__51;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__51;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__118;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__19;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__51;
 lean_object* l_Lean_Parser_checkColGe(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__35;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedentIfGrouped(lean_object*);
 static lean_object* l_Lean_Parser_sepByElemParser_formatter___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__19;
 LEAN_EXPORT lean_object* l_Lean_Parser_withAntiquotSpliceAndSuffix_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkColEq_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__24;
 lean_object* l_Lean_mkIdentFrom(lean_object*, lean_object*, uint8_t);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__39;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__70;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__61;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__33;
 static lean_object* l_Lean_Parser_strLit_formatter___closed__1;
 lean_object* l_Lean_Name_mkStr2(lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__65;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__109;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__70;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__8;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_nameLitNoAntiquot_parenthesizer___boxed(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__35;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__39;
 lean_object* lean_array_push(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_optional_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__109;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__65;
 lean_object* lean_array_get_size(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppIndent_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_optional_formatter___closed__4;
 lean_object* l_ReaderT_bind___at_Lean_PrettyPrinter_Formatter_categoryFormatterCore___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__9;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__36;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__63;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__120;
 lean_object* l_Lean_Name_mkStr3(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_range(lean_object*);
 static lean_object* l_Lean_Parser_strLit_formatter___closed__2;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__59;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__17;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__81;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__31;
 lean_object* l_Lean_Parser_notFollowedBy(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_unicodeSymbol_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__73;
 static lean_object* l_Lean_Parser_optional_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__20;
 lean_object* l_Lean_Parser_withPosition(lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__98;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__13;
 lean_object* l_Lean_PrettyPrinter_Formatter_nonReservedSymbolNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__21;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__10;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__32;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__95;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1_formatter(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__98;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_numLitNoAntiquot_parenthesizer___boxed(lean_object*);
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__5;
 lean_object* l_Lean_PrettyPrinter_Formatter_unicodeSymbolNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__73;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__23;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__5;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__10;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__32;
 LEAN_EXPORT lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__7;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__71;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__43;
 LEAN_EXPORT lean_object* l_Lean_Parser_group_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__38;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__21;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__107;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_scientificLitNoAntiquot_parenthesizer___boxed(lean_object*);
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__24;
@@ -200,20 +206,18 @@ LEAN_EXPORT lean_object* l_Lean_Parser_many_formatter(lean_object*, lean_object*
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_andthen_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__49;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppLine;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__19;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_strLit___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_rawIdent_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__21;
 static lean_object* l_Lean_Parser_strLit_formatter___closed__3;
 static lean_object* l_Lean_Parser_leadingNode_formatter___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__38;
 LEAN_EXPORT lean_object* l_Lean_Parser_optional_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__107;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_formatter___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_sepByNoAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__75;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent_parenthesizer(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29________;
 static lean_object* l_Lean_Parser_ident___closed__1;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_atomic_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -221,22 +225,22 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__75;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__32;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__10;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__114;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppAllowUngrouped_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__26;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__26;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__58;
 LEAN_EXPORT lean_object* l_Lean_ppAllowUngrouped_formatter___boxed(lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__58;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_unicodeSymbolNoAntiquot_parenthesizer___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_optional(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__26;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__114;
 lean_object* l_Lean_PrettyPrinter_Formatter_fill(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_antiquotExpr_formatter___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__112;
 static lean_object* l_Lean_Parser_sepByIndent___closed__5;
 static lean_object* l_Lean_Parser_numLit___closed__1;
 lean_object* l_Lean_Parser_registerAliasCore___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__20;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__61;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__75;
 lean_object* l_Lean_Syntax_node5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_checkColGe_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_ppIndent_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -247,29 +251,33 @@ lean_object* l_Lean_PrettyPrinter_Parenthesizer_setExpected_parenthesizer___rarg
 LEAN_EXPORT lean_object* l_Lean_Parser_termParser_formatter___boxed(lean_object*);
 static lean_object* l_Lean_Parser_ident_formatter___closed__3;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__68;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__61;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Parser_sepByIndent_formatter___spec__3(lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_ppHardLineUnlessUngrouped_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_numLit___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__113;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__7;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__112;
 lean_object* l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Formatter_visitArgs___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__11;
 lean_object* l_Lean_PrettyPrinter_Formatter_tokenWithAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__83;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__36;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__69;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppSpace_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquotSplice_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_ident___closed__2;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__104;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByElemParser_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__40;
 static lean_object* l_Lean_Parser_group_formatter___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardSpace_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__83;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__67;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__12;
 LEAN_EXPORT lean_object* l_Lean_ppRealFill_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__104;
 static lean_object* l_Lean_Parser_charLit_formatter___closed__2;
 lean_object* l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquotSplice_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -281,21 +289,20 @@ static lean_object* l_Lean_Parser_strLit_parenthesizer___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_strLit_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_charLit_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__9;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__27;
 static lean_object* l_Lean_Parser_charLit_formatter___closed__4;
 LEAN_EXPORT lean_object* l_Lean_ppAllowUngrouped_formatter___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__67;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__45;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__40;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__27;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_nonReservedSymbolNoAntiquot_parenthesizer___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_scientificLit_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_scientificLit_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__58;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__9;
 LEAN_EXPORT lean_object* l_Lean_Parser_strLit_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_checkPrec_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__45;
 lean_object* l_Lean_PrettyPrinter_Formatter_decQuotDepth_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_visitArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__44;
@@ -309,17 +316,18 @@ static lean_object* l_Lean_Parser_sepByElemParser_formatter___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_withAntiquot(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__23;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__41;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__13;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__23;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__88;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__13;
 lean_object* l_Lean_Parser_symbol(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__96;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__23;
 lean_object* l_Lean_Name_toString(lean_object*, uint8_t);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__8;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__72;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardSpace_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_many___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_many1_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__96;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__72;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__64;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -329,19 +337,18 @@ extern lean_object* l_Lean_Parser_skip;
 LEAN_EXPORT lean_object* l_Lean_Parser_nameLit;
 lean_object* l_Lean_PrettyPrinter_Formatter_node_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_sepByIndent_formatter___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__48;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__111;
 static lean_object* l_Lean_Parser_many1Indent_formatter___closed__1;
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Parser_sepByIndent_formatter___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__48;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Parser_sepByIndent_formatter___spec__3___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__34;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__1;
 static lean_object* l_Lean_Parser_strLit_formatter___closed__4;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__111;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__34;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__3;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_charLitNoAntiquot_parenthesizer___boxed(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__59;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__14;
 LEAN_EXPORT lean_object* l_Lean_Parser_manyIndent(lean_object*);
 static lean_object* l_Lean_Parser_nameLit___closed__1;
@@ -352,38 +359,38 @@ static lean_object* l_Lean_Parser_numLit_formatter___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppSpace;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardSpace;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__31;
 static lean_object* l_Lean_Parser_nameLit___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_termParser_formatter___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_sepByElemParser_formatter___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__31;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppIndent(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_scientificLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppRealFill(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_commandParser_formatter___boxed(lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__3;
 lean_object* l_Lean_Syntax_getId(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__113;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__13;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__59;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__18;
 extern lean_object* l_Lean_Parser_maxPrec;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__41;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__103;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__121;
 LEAN_EXPORT lean_object* l_Lean_Parser_strLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_rawIdent;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__76;
 static lean_object* l_Lean_Parser_antiquotExpr_parenthesizer___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedent(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__30;
 static lean_object* l_Lean_Parser_sepByIndent_parenthesizer___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Parser_many1Indent_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__76;
 LEAN_EXPORT lean_object* l_Lean_Parser_nodeWithAntiquot_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__28;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__88;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent(lean_object*, lean_object*, lean_object*, uint8_t);
 static lean_object* l_Lean_Parser_charLit___closed__2;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__12;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__28;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__14;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_scientificLitNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__30;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__18;
 extern lean_object* l_Lean_PrettyPrinter_formatterAttribute;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__65;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppLine_parenthesizer___rarg(lean_object*);
@@ -391,15 +398,16 @@ lean_object* l_Lean_Syntax_mkStrLit(lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__57;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__31;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__10;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__94;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__8;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__17;
 static lean_object* l_Lean_Parser_sepByIndent___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__8;
 static lean_object* l_Lean_Parser_antiquotExpr_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_optional_formatter___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__57;
 static lean_object* l_Lean_Parser_sepByIndent___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__17;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__122;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__57;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedentIfGrouped_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__39;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_pushNone_parenthesizer___boxed(lean_object*);
@@ -408,27 +416,26 @@ static lean_object* l_Lean_Parser_numLit_formatter___closed__3;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__70;
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__9;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__1;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__35;
 static lean_object* l_Lean_Parser_numLit_parenthesizer___closed__2;
 static lean_object* l_Lean_ppHardSpace_formatter___closed__2;
 lean_object* l_Lean_Parser_checkColEq(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__44;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppIndent___boxed(lean_object*);
 static lean_object* l_Lean_Parser_optional_parenthesizer___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__2;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__1;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__11;
 lean_object* l_Lean_Syntax_MonadTraverser_goLeft___at_Lean_PrettyPrinter_Formatter_visitArgs___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__44;
 LEAN_EXPORT lean_object* l_Lean_Parser_nonReservedSymbol_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__97;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__36;
 LEAN_EXPORT lean_object* l_Lean_Parser_commandParser_formatter(lean_object*);
 static lean_object* l_Lean_Parser_rawIdent_parenthesizer___closed__1;
 lean_object* l_Lean_Parser_registerAlias(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__99;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppRealGroup(lean_object*);
 static lean_object* l_Lean_ppHardSpace_formatter___closed__1;
@@ -436,49 +443,51 @@ static lean_object* l_Lean_Parser_numLit_parenthesizer___closed__1;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__2;
 lean_object* l_Lean_PrettyPrinter_Formatter_nameLitNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__99;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__27;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__6;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__74;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__50;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__46;
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquot_formatter(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__47;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__60;
 LEAN_EXPORT lean_object* l_Lean_ppHardSpace_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_many1_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__17;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__50;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppAllowUngrouped;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__86;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__80;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByElemParser_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__94;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__80;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__6;
 lean_object* l_Lean_Syntax_node6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Parser_termParser_formatter(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__46;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__41;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__86;
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_sepBy1(lean_object*, lean_object*, lean_object*, uint8_t);
 static lean_object* l_Lean_Parser_sepByIndent___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__110;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppLine_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__17;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__21;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__110;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__38;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_sepByIndent_parenthesizer___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_commandParser_formatter___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_many_formatter___closed__3;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__15;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__15;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkNoWsBefore_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__3;
 static lean_object* l_Lean_Parser_nameLit_parenthesizer___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__3;
 lean_object* l_String_intercalate(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_numLit;
 static lean_object* l_Lean_Parser_charLit_formatter___closed__1;
 static lean_object* l_Lean_Parser_antiquotExpr_parenthesizer___closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__3;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__37;
 lean_object* l_Lean_Macro_throwError___rarg(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_scientificLitNoAntiquot;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardLineUnlessUngrouped;
@@ -486,54 +495,53 @@ static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Le
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_decQuotDepth_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedent___boxed(lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__52;
-LEAN_EXPORT lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111_(lean_object*);
 extern lean_object* l_Lean_PrettyPrinter_Formatter_formatterAliasesRef;
 LEAN_EXPORT lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__42;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__55;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__54;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__62;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__78;
 lean_object* l_Lean_PrettyPrinter_Formatter_checkNoWsBefore_formatter___boxed(lean_object*);
 static lean_object* l_Lean_Parser_sepByIndent___closed__3;
 static lean_object* l_List_forIn_loop___at_Lean_Parser_sepByIndent_formatter___spec__2___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__53;
 LEAN_EXPORT lean_object* l_Lean_ppDedentIfGrouped_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__100;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__37;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__53;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__42;
 static lean_object* l_Lean_Parser_termParser_formatter___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppGroup_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__9;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__55;
 LEAN_EXPORT lean_object* l_Lean_Parser_commandParser_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_scientificLit_parenthesizer___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__100;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__33;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__16;
 static lean_object* l_Lean_Parser_group_formatter___closed__1;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__47;
 lean_object* l_Lean_Syntax_getArgs(lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__60;
 lean_object* l_Lean_Parser_many1NoAntiquot(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__89;
 lean_object* l_Lean_Macro_resolveGlobalName(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__97;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__22;
 static lean_object* l_Lean_Parser_termParser_formatter___rarg___closed__1;
 extern lean_object* l_Lean_Parser_numLitNoAntiquot;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__74;
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__7;
+static lean_object* l_Lean_Parser_patternIgnore_formatter___closed__2;
 lean_object* l_Lean_quoteNameMk(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__64;
 static lean_object* l_Lean_Parser_nameLit_parenthesizer___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__74;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__89;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__60;
 LEAN_EXPORT lean_object* l_Lean_ppAllowUngrouped_formatter(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__47;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__64;
 lean_object* l_String_toSubstring_x27(lean_object*);
 static lean_object* l_Lean_Parser_charLit_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_charLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__6;
 static lean_object* l_Lean_Parser_charLit_parenthesizer___closed__2;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__45;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__79;
 static lean_object* l_Lean_Parser_charLit_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__67;
@@ -541,20 +549,21 @@ LEAN_EXPORT lean_object* l_Lean_ppLine_formatter(lean_object*, lean_object*, lea
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__40;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__9;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__95;
 LEAN_EXPORT lean_object* l_Lean_Parser_many1Indent(lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkNoImmediateColon_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_identNoAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__101;
 static lean_object* l_Lean_ppDedent_formatter___closed__1;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__27;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__101;
 lean_object* l_Lean_PrettyPrinter_Formatter_pushNone_formatter___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__43;
 extern lean_object* l_Lean_Parser_rawIdentNoAntiquot;
 lean_object* l_Std_Format_getIndent(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__79;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__35;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__84;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__29;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy_formatter(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__9;
@@ -569,12 +578,13 @@ LEAN_EXPORT lean_object* l_Lean_Parser_antiquotExpr_parenthesizer(lean_object*,
 LEAN_EXPORT lean_object* l_Lean_Parser_ident_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_optional_formatter___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__54;
 lean_object* l_Lean_PrettyPrinter_Formatter_checkNoImmediateColon_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent(lean_object*, lean_object*, lean_object*, uint8_t);
 static lean_object* l_Lean_Parser_sepByIndent_parenthesizer___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__25;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__29;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__62;
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquotSplice_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__25;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__34;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__1;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_symbolNoAntiquot_parenthesizer___boxed(lean_object*, lean_object*);
@@ -583,19 +593,17 @@ LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1_formatter___boxed(lean_object*, le
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__2;
 uint8_t l_Lean_Syntax_isNone(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_numLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__78;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__91;
 LEAN_EXPORT lean_object* l_Lean_ppSpace_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__119;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__48;
 static lean_object* l_Lean_Parser_scientificLit_formatter___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__84;
 lean_object* l_Lean_Syntax_node1(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__62;
 lean_object* l_String_trim(lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_fold(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__52;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__54;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__52;
 lean_object* l_Lean_PrettyPrinter_Formatter_withoutInfo_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_many_formatter___closed__2;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkLinebreakBefore_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -617,37 +625,37 @@ static lean_object* l_Lean_Parser_rawIdent___closed__1;
 static lean_object* l_Lean_Parser_many_formatter___closed__1;
 static lean_object* l_Lean_Parser_scientificLit_formatter___closed__2;
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__108;
 lean_object* l_Lean_PrettyPrinter_Formatter_charLitNoAntiquot_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_formatter___closed__13;
 LEAN_EXPORT lean_object* l_Lean_Parser_withAntiquotSpliceAndSuffix_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_mkAntiquot(lean_object*, lean_object*, uint8_t, uint8_t);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__14;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__24;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_withPosition_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__28;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__63;
 static lean_object* l_Lean_Parser_nameLit_formatter___closed__2;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__106;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__7;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__108;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppGroup(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__71;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_parenthesizer___closed__4;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__5;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__63;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__49;
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__106;
 lean_object* l_Lean_PrettyPrinter_Formatter_pushWhitespace(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_many_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__30;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__4;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__7;
 static lean_object* l_Lean_Parser_ident_parenthesizer___closed__1;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__8;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__76;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__71;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__18;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppRealFill___boxed(lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__24;
 lean_object* lean_nat_mod(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__49;
 lean_object* l_Lean_Parser_orelse(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppHardLineUnlessUngrouped_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -669,52 +677,57 @@ static lean_object* l_Lean_Parser_sepByIndent_parenthesizer___closed__3;
 static lean_object* l_Lean_Parser_antiquotExpr_formatter___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquotSplice_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_mkStr4(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_nonReservedSymbol_formatter(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_antiquotExpr_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at_Lean_Parser_sepByIndent_formatter___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppRealGroup___boxed(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__68;
 static lean_object* l_Lean_Parser_antiquotNestedExpr_formatter___closed__8;
 extern lean_object* l_Lean_PrettyPrinter_backtrackExceptionId;
 LEAN_EXPORT lean_object* l_Lean_ppRealGroup_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_numLit_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__92;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__77;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__92;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy_parenthesizer(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__5;
 static lean_object* l_Lean_Parser_nameLit_formatter___closed__4;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__124;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByIndent_formatter___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_patternIgnore_formatter___closed__1;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__81;
 lean_object* l_Lean_PrettyPrinter_Formatter_withAntiquotSuffixSplice_formatter___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Formatter_setLhsPrec_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ident_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__11;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__22;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__33;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__73;
 static lean_object* l_List_forIn_loop___at_Lean_Parser_sepByIndent_formatter___spec__2___closed__4;
 static lean_object* l_Lean_Parser_scientificLit___closed__2;
 static lean_object* l_Lean_Parser_many1Indent___closed__1;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__93;
 static lean_object* l_Lean_ppDedentIfGrouped_formatter___closed__1;
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Parser_symbol_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__10;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__32;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__33;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__78;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_tokenWithAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__20;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__91;
 lean_object* l_Lean_PrettyPrinter_Formatter_group(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_nameLit_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_to_int(lean_object*);
 static lean_object* l_Lean_Parser_scientificLit_parenthesizer___closed__1;
 extern lean_object* l_Lean_Parser_charLitNoAntiquot;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__5;
 LEAN_EXPORT lean_object* l_Lean_ppAllowUngrouped_formatter___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquot_parenthesizer___closed__7;
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__19;
 LEAN_EXPORT lean_object* l_Lean_Parser_nonReservedSymbol_parenthesizer(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__93;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_parenthesizer___rarg(lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__103;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__22;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__6;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__80;
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__25;
@@ -722,16 +735,16 @@ LEAN_EXPORT lean_object* l_Lean_Parser_strLit;
 LEAN_EXPORT lean_object* l_Lean_Parser_many1(lean_object*);
 static lean_object* l_Lean_Parser_termRegister__parser__alias_x28Kind_x3a_x3d___x29___________closed__25;
 lean_object* l_Lean_PrettyPrinter_Formatter_andthen_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__82;
 static lean_object* l_Lean_Parser_scientificLit___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_sepByElemParser_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_nodeWithAntiquot_parenthesizer(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__82;
 static lean_object* l_Lean_Parser_strLit___closed__2;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__69;
 LEAN_EXPORT lean_object* l_Lean_Parser_ppDedent_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__46;
 LEAN_EXPORT lean_object* l_Lean_Parser_sepBy1Indent_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__11;
 LEAN_EXPORT lean_object* l_Lean_Parser_notSymbol_formatter___rarg(lean_object*);
 static lean_object* l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__3;
 static lean_object* l_Lean_Parser_antiquotExpr_formatter___closed__1;
@@ -743,7 +756,7 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Parser_ppLine_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_mkAntiquotSplice_formatter___closed__8;
-static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__69;
+static lean_object* l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__11;
 lean_object* l_Lean_PrettyPrinter_Formatter_categoryParser_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Parser_many1Indent___closed__2;
 static lean_object* _init_l_Lean_Parser_leadingNode_formatter___closed__1() {
@@ -4545,6 +4558,51 @@ x_3 = l_Lean_Parser_notFollowedBy(x_2, x_1);
 return x_3;
 }
 }
+static lean_object* _init_l_Lean_Parser_patternIgnore_formatter___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("patternIgnore", 13);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_patternIgnore_formatter___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Parser_patternIgnore_formatter___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore_formatter(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; 
+x_7 = l_Lean_Parser_patternIgnore_formatter___closed__2;
+x_8 = l_Lean_PrettyPrinter_Formatter_node_formatter(x_7, x_1, x_2, x_3, x_4, x_5, x_6);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore_parenthesizer(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; 
+x_7 = l_Lean_Parser_patternIgnore_formatter___closed__2;
+x_8 = l_Lean_PrettyPrinter_Parenthesizer_node_parenthesizer(x_7, x_1, x_2, x_3, x_4, x_5, x_6);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Parser_patternIgnore(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Lean_Parser_patternIgnore_formatter___closed__2;
+x_3 = l_Lean_Parser_node(x_2, x_1);
+return x_3;
+}
+}
 static lean_object* _init_l_Lean_Parser_ppHardSpace() {
 _start:
 {
@@ -7345,7 +7403,122 @@ lean_dec(x_1);
 return x_6;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
+x_1 = l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__1;
+x_2 = l___regBuiltin_Lean_Parser_antiquotNestedExpr_formatter___closed__2;
+x_3 = l_Lean_Parser_patternIgnore_formatter___closed__1;
+x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Parser_patternIgnore), 1, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__2;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__1;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_unsigned_to_nat(1u);
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; uint8_t x_3; lean_object* x_4; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__5;
+x_3 = 0;
+x_4 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_4, 0, x_1);
+lean_ctor_set(x_4, 1, x_2);
+lean_ctor_set_uint8(x_4, sizeof(void*)*2, x_3);
+return x_4;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Parser_patternIgnore_formatter), 6, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__7;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_PrettyPrinter_Formatter_formatterAliasesRef;
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__10() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Parser_patternIgnore_parenthesizer), 6, 0);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__10;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__12() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Lean_PrettyPrinter_Parenthesizer_parenthesizerAliasesRef;
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__13() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
@@ -7356,7 +7529,7 @@ x_4 = l_Lean_Name_mkStr3(x_1, x_2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__14() {
 _start:
 {
 lean_object* x_1; 
@@ -7364,51 +7537,27 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Parser_group), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__3() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__15() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2;
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__14;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__4() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__16() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1;
+x_1 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__13;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_unsigned_to_nat(1u);
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__6() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; uint8_t x_3; lean_object* x_4; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5;
-x_3 = 0;
-x_4 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_4, 0, x_1);
-lean_ctor_set(x_4, 1, x_2);
-lean_ctor_set_uint8(x_4, sizeof(void*)*2, x_3);
-return x_4;
-}
-}
-static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__7() {
+static lean_object* _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__17() {
 _start:
 {
 lean_object* x_1; 
@@ -7416,25 +7565,17 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Parser_group_formatter), 6, 0);
 return x_1;
 }
 }
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 lean_inc(x_124);
 lean_dec(x_123);
-x_125 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__102;
-x_126 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__103;
-x_127 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__104;
-x_128 = l_Lean_Parser_registerAlias(x_125, x_126, x_19, x_127, x_21, x_124);
-if (lean_obj_tag(x_128) == 0)
+x_125 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__100;
+x_126 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__101;
+x_127 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__103;
+x_128 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__104;
+x_129 = l_Lean_Parser_registerAlias(x_125, x_126, x_127, x_128, x_68, x_124);
+if (lean_obj_tag(x_129) == 0)
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_128, 1);
-lean_inc(x_129);
-lean_dec(x_128);
-x_130 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__106;
-x_131 = l_Lean_Parser_registerAliasCore___rarg(x_9, x_125, x_130, x_129);
-if (lean_obj_tag(x_131) == 0)
+lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+x_130 = lean_ctor_get(x_129, 1);
+lean_inc(x_130);
+lean_dec(x_129);
+x_131 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__106;
+x_132 = l_Lean_Parser_registerAliasCore___rarg(x_9, x_125, x_131, x_130);
+if (lean_obj_tag(x_132) == 0)
 {
-lean_object* x_132; lean_object* x_133; lean_object* x_134; 
-x_132 = lean_ctor_get(x_131, 1);
-lean_inc(x_132);
-lean_dec(x_131);
-x_133 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__108;
-x_134 = l_Lean_Parser_registerAliasCore___rarg(x_13, x_125, x_133, x_132);
-if (lean_obj_tag(x_134) == 0)
+lean_object* x_133; lean_object* x_134; lean_object* x_135; 
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__108;
+x_135 = l_Lean_Parser_registerAliasCore___rarg(x_13, x_125, x_134, x_133);
+if (lean_obj_tag(x_135) == 0)
 {
-lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_135 = lean_ctor_get(x_134, 1);
-lean_inc(x_135);
-lean_dec(x_134);
-x_136 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__110;
-x_137 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__111;
-x_138 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__112;
-x_139 = l_Lean_Parser_registerAlias(x_136, x_137, x_19, x_138, x_21, x_135);
-if (lean_obj_tag(x_139) == 0)
+lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+lean_dec(x_135);
+x_137 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__110;
+x_138 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__111;
+x_139 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__112;
+x_140 = l_Lean_Parser_registerAlias(x_137, x_138, x_31, x_139, x_33, x_136);
+if (lean_obj_tag(x_140) == 0)
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_140 = lean_ctor_get(x_139, 1);
-lean_inc(x_140);
-lean_dec(x_139);
-x_141 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__114;
-x_142 = l_Lean_Parser_registerAliasCore___rarg(x_9, x_136, x_141, x_140);
-if (lean_obj_tag(x_142) == 0)
+lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+x_141 = lean_ctor_get(x_140, 1);
+lean_inc(x_141);
+lean_dec(x_140);
+x_142 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__114;
+x_143 = l_Lean_Parser_registerAliasCore___rarg(x_9, x_137, x_142, x_141);
+if (lean_obj_tag(x_143) == 0)
 {
-lean_object* x_143; lean_object* x_144; lean_object* x_145; 
-x_143 = lean_ctor_get(x_142, 1);
-lean_inc(x_143);
-lean_dec(x_142);
-x_144 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__116;
-x_145 = l_Lean_Parser_registerAliasCore___rarg(x_13, x_136, x_144, x_143);
-return x_145;
-}
-else
+lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+x_144 = lean_ctor_get(x_143, 1);
+lean_inc(x_144);
+lean_dec(x_143);
+x_145 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__116;
+x_146 = l_Lean_Parser_registerAliasCore___rarg(x_13, x_137, x_145, x_144);
+if (lean_obj_tag(x_146) == 0)
 {
-uint8_t x_146; 
-x_146 = !lean_is_exclusive(x_142);
-if (x_146 == 0)
-{
-return x_142;
-}
-else
-{
-lean_object* x_147; lean_object* x_148; lean_object* x_149; 
-x_147 = lean_ctor_get(x_142, 0);
-x_148 = lean_ctor_get(x_142, 1);
-lean_inc(x_148);
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+x_147 = lean_ctor_get(x_146, 1);
 lean_inc(x_147);
-lean_dec(x_142);
-x_149 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_149, 0, x_147);
-lean_ctor_set(x_149, 1, x_148);
-return x_149;
-}
-}
-}
-else
+lean_dec(x_146);
+x_148 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__118;
+x_149 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__119;
+x_150 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__120;
+x_151 = l_Lean_Parser_registerAlias(x_148, x_149, x_31, x_150, x_33, x_147);
+if (lean_obj_tag(x_151) == 0)
 {
-uint8_t x_150; 
-x_150 = !lean_is_exclusive(x_139);
-if (x_150 == 0)
-{
-return x_139;
-}
-else
-{
-lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_151 = lean_ctor_get(x_139, 0);
-x_152 = lean_ctor_get(x_139, 1);
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_151, 1);
 lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_139);
-x_153 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_153, 0, x_151);
-lean_ctor_set(x_153, 1, x_152);
-return x_153;
-}
-}
-}
-else
-{
-uint8_t x_154; 
-x_154 = !lean_is_exclusive(x_134);
-if (x_154 == 0)
-{
-return x_134;
-}
-else
+lean_dec(x_151);
+x_153 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__122;
+x_154 = l_Lean_Parser_registerAliasCore___rarg(x_9, x_148, x_153, x_152);
+if (lean_obj_tag(x_154) == 0)
 {
 lean_object* x_155; lean_object* x_156; lean_object* x_157; 
-x_155 = lean_ctor_get(x_134, 0);
-x_156 = lean_ctor_get(x_134, 1);
-lean_inc(x_156);
+x_155 = lean_ctor_get(x_154, 1);
 lean_inc(x_155);
-lean_dec(x_134);
-x_157 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_157, 0, x_155);
-lean_ctor_set(x_157, 1, x_156);
+lean_dec(x_154);
+x_156 = l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2111____closed__124;
+x_157 = l_Lean_Parser_registerAliasCore___rarg(x_13, x_148, x_156, x_155);
 return x_157;
 }
-}
-}
 else
 {
 uint8_t x_158; 
-x_158 = !lean_is_exclusive(x_131);
+x_158 = !lean_is_exclusive(x_154);
 if (x_158 == 0)
 {
-return x_131;
+return x_154;
 }
 else
 {
 lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-x_159 = lean_ctor_get(x_131, 0);
-x_160 = lean_ctor_get(x_131, 1);
+x_159 = lean_ctor_get(x_154, 0);
+x_160 = lean_ctor_get(x_154, 1);
 lean_inc(x_160);
 lean_inc(x_159);
-lean_dec(x_131);
+lean_dec(x_154);
 x_161 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_161, 0, x_159);
 lean_ctor_set(x_161, 1, x_160);
@@ -8861,19 +8952,19 @@ return x_161;
 else
 {
 uint8_t x_162; 
-x_162 = !lean_is_exclusive(x_128);
+x_162 = !lean_is_exclusive(x_151);
 if (x_162 == 0)
 {
-return x_128;
+return x_151;
 }
 else
 {
 lean_object* x_163; lean_object* x_164; lean_object* x_165; 
-x_163 = lean_ctor_get(x_128, 0);
-x_164 = lean_ctor_get(x_128, 1);
+x_163 = lean_ctor_get(x_151, 0);
+x_164 = lean_ctor_get(x_151, 1);
 lean_inc(x_164);
 lean_inc(x_163);
-lean_dec(x_128);
+lean_dec(x_151);
 x_165 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_165, 0, x_163);
 lean_ctor_set(x_165, 1, x_164);
@@ -8884,19 +8975,19 @@ return x_165;
 else
 {
 uint8_t x_166; 
-x_166 = !lean_is_exclusive(x_123);
+x_166 = !lean_is_exclusive(x_146);
 if (x_166 == 0)
 {
-return x_123;
+return x_146;
 }
 else
 {
 lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-x_167 = lean_ctor_get(x_123, 0);
-x_168 = lean_ctor_get(x_123, 1);
+x_167 = lean_ctor_get(x_146, 0);
+x_168 = lean_ctor_get(x_146, 1);
 lean_inc(x_168);
 lean_inc(x_167);
-lean_dec(x_123);
+lean_dec(x_146);
 x_169 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_169, 0, x_167);
 lean_ctor_set(x_169, 1, x_168);
@@ -8907,19 +8998,19 @@ return x_169;
 else
 {
 uint8_t x_170; 
-x_170 = !lean_is_exclusive(x_120);
+x_170 = !lean_is_exclusive(x_143);
 if (x_170 == 0)
 {
-return x_120;
+return x_143;
 }
 else
 {
 lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_171 = lean_ctor_get(x_120, 0);
-x_172 = lean_ctor_get(x_120, 1);
+x_171 = lean_ctor_get(x_143, 0);
+x_172 = lean_ctor_get(x_143, 1);
 lean_inc(x_172);
 lean_inc(x_171);
-lean_dec(x_120);
+lean_dec(x_143);
 x_173 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_173, 0, x_171);
 lean_ctor_set(x_173, 1, x_172);
@@ -8930,19 +9021,19 @@ return x_173;
 else
 {
 uint8_t x_174; 
-x_174 = !lean_is_exclusive(x_117);
+x_174 = !lean_is_exclusive(x_140);
 if (x_174 == 0)
 {
-return x_117;
+return x_140;
 }
 else
 {
 lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_175 = lean_ctor_get(x_117, 0);
-x_176 = lean_ctor_get(x_117, 1);
+x_175 = lean_ctor_get(x_140, 0);
+x_176 = lean_ctor_get(x_140, 1);
 lean_inc(x_176);
 lean_inc(x_175);
-lean_dec(x_117);
+lean_dec(x_140);
 x_177 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_177, 0, x_175);
 lean_ctor_set(x_177, 1, x_176);
@@ -8953,19 +9044,19 @@ return x_177;
 else
 {
 uint8_t x_178; 
-x_178 = !lean_is_exclusive(x_111);
+x_178 = !lean_is_exclusive(x_135);
 if (x_178 == 0)
 {
-return x_111;
+return x_135;
 }
 else
 {
 lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_179 = lean_ctor_get(x_111, 0);
-x_180 = lean_ctor_get(x_111, 1);
+x_179 = lean_ctor_get(x_135, 0);
+x_180 = lean_ctor_get(x_135, 1);
 lean_inc(x_180);
 lean_inc(x_179);
-lean_dec(x_111);
+lean_dec(x_135);
 x_181 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_181, 0, x_179);
 lean_ctor_set(x_181, 1, x_180);
@@ -8976,19 +9067,19 @@ return x_181;
 else
 {
 uint8_t x_182; 
-x_182 = !lean_is_exclusive(x_108);
+x_182 = !lean_is_exclusive(x_132);
 if (x_182 == 0)
 {
-return x_108;
+return x_132;
 }
 else
 {
 lean_object* x_183; lean_object* x_184; lean_object* x_185; 
-x_183 = lean_ctor_get(x_108, 0);
-x_184 = lean_ctor_get(x_108, 1);
+x_183 = lean_ctor_get(x_132, 0);
+x_184 = lean_ctor_get(x_132, 1);
 lean_inc(x_184);
 lean_inc(x_183);
-lean_dec(x_108);
+lean_dec(x_132);
 x_185 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_185, 0, x_183);
 lean_ctor_set(x_185, 1, x_184);
@@ -8999,19 +9090,19 @@ return x_185;
 else
 {
 uint8_t x_186; 
-x_186 = !lean_is_exclusive(x_105);
+x_186 = !lean_is_exclusive(x_129);
 if (x_186 == 0)
 {
-return x_105;
+return x_129;
 }
 else
 {
 lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_187 = lean_ctor_get(x_105, 0);
-x_188 = lean_ctor_get(x_105, 1);
+x_187 = lean_ctor_get(x_129, 0);
+x_188 = lean_ctor_get(x_129, 1);
 lean_inc(x_188);
 lean_inc(x_187);
-lean_dec(x_105);
+lean_dec(x_129);
 x_189 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_189, 0, x_187);
 lean_ctor_set(x_189, 1, x_188);
@@ -9022,19 +9113,19 @@ return x_189;
 else
 {
 uint8_t x_190; 
-x_190 = !lean_is_exclusive(x_99);
+x_190 = !lean_is_exclusive(x_123);
 if (x_190 == 0)
 {
-return x_99;
+return x_123;
 }
 else
 {
 lean_object* x_191; lean_object* x_192; lean_object* x_193; 
-x_191 = lean_ctor_get(x_99, 0);
-x_192 = lean_ctor_get(x_99, 1);
+x_191 = lean_ctor_get(x_123, 0);
+x_192 = lean_ctor_get(x_123, 1);
 lean_inc(x_192);
 lean_inc(x_191);
-lean_dec(x_99);
+lean_dec(x_123);
 x_193 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_193, 0, x_191);
 lean_ctor_set(x_193, 1, x_192);
@@ -9045,19 +9136,19 @@ return x_193;
 else
 {
 uint8_t x_194; 
-x_194 = !lean_is_exclusive(x_96);
+x_194 = !lean_is_exclusive(x_120);
 if (x_194 == 0)
 {
-return x_96;
+return x_120;
 }
 else
 {
 lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_195 = lean_ctor_get(x_96, 0);
-x_196 = lean_ctor_get(x_96, 1);
+x_195 = lean_ctor_get(x_120, 0);
+x_196 = lean_ctor_get(x_120, 1);
 lean_inc(x_196);
 lean_inc(x_195);
-lean_dec(x_96);
+lean_dec(x_120);
 x_197 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_197, 0, x_195);
 lean_ctor_set(x_197, 1, x_196);
@@ -9068,19 +9159,19 @@ return x_197;
 else
 {
 uint8_t x_198; 
-x_198 = !lean_is_exclusive(x_93);
+x_198 = !lean_is_exclusive(x_117);
 if (x_198 == 0)
 {
-return x_93;
+return x_117;
 }
 else
 {
 lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_199 = lean_ctor_get(x_93, 0);
-x_200 = lean_ctor_get(x_93, 1);
+x_199 = lean_ctor_get(x_117, 0);
+x_200 = lean_ctor_get(x_117, 1);
 lean_inc(x_200);
 lean_inc(x_199);
-lean_dec(x_93);
+lean_dec(x_117);
 x_201 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_201, 0, x_199);
 lean_ctor_set(x_201, 1, x_200);
@@ -9091,19 +9182,19 @@ return x_201;
 else
 {
 uint8_t x_202; 
-x_202 = !lean_is_exclusive(x_87);
+x_202 = !lean_is_exclusive(x_111);
 if (x_202 == 0)
 {
-return x_87;
+return x_111;
 }
 else
 {
 lean_object* x_203; lean_object* x_204; lean_object* x_205; 
-x_203 = lean_ctor_get(x_87, 0);
-x_204 = lean_ctor_get(x_87, 1);
+x_203 = lean_ctor_get(x_111, 0);
+x_204 = lean_ctor_get(x_111, 1);
 lean_inc(x_204);
 lean_inc(x_203);
-lean_dec(x_87);
+lean_dec(x_111);
 x_205 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_205, 0, x_203);
 lean_ctor_set(x_205, 1, x_204);
@@ -9114,19 +9205,19 @@ return x_205;
 else
 {
 uint8_t x_206; 
-x_206 = !lean_is_exclusive(x_84);
+x_206 = !lean_is_exclusive(x_108);
 if (x_206 == 0)
 {
-return x_84;
+return x_108;
 }
 else
 {
 lean_object* x_207; lean_object* x_208; lean_object* x_209; 
-x_207 = lean_ctor_get(x_84, 0);
-x_208 = lean_ctor_get(x_84, 1);
+x_207 = lean_ctor_get(x_108, 0);
+x_208 = lean_ctor_get(x_108, 1);
 lean_inc(x_208);
 lean_inc(x_207);
-lean_dec(x_84);
+lean_dec(x_108);
 x_209 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_209, 0, x_207);
 lean_ctor_set(x_209, 1, x_208);
@@ -9137,19 +9228,19 @@ return x_209;
 else
 {
 uint8_t x_210; 
-x_210 = !lean_is_exclusive(x_81);
+x_210 = !lean_is_exclusive(x_105);
 if (x_210 == 0)
 {
-return x_81;
+return x_105;
 }
 else
 {
 lean_object* x_211; lean_object* x_212; lean_object* x_213; 
-x_211 = lean_ctor_get(x_81, 0);
-x_212 = lean_ctor_get(x_81, 1);
+x_211 = lean_ctor_get(x_105, 0);
+x_212 = lean_ctor_get(x_105, 1);
 lean_inc(x_212);
 lean_inc(x_211);
-lean_dec(x_81);
+lean_dec(x_105);
 x_213 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_213, 0, x_211);
 lean_ctor_set(x_213, 1, x_212);
@@ -9160,19 +9251,19 @@ return x_213;
 else
 {
 uint8_t x_214; 
-x_214 = !lean_is_exclusive(x_75);
+x_214 = !lean_is_exclusive(x_99);
 if (x_214 == 0)
 {
-return x_75;
+return x_99;
 }
 else
 {
 lean_object* x_215; lean_object* x_216; lean_object* x_217; 
-x_215 = lean_ctor_get(x_75, 0);
-x_216 = lean_ctor_get(x_75, 1);
+x_215 = lean_ctor_get(x_99, 0);
+x_216 = lean_ctor_get(x_99, 1);
 lean_inc(x_216);
 lean_inc(x_215);
-lean_dec(x_75);
+lean_dec(x_99);
 x_217 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_217, 0, x_215);
 lean_ctor_set(x_217, 1, x_216);
@@ -9183,19 +9274,19 @@ return x_217;
 else
 {
 uint8_t x_218; 
-x_218 = !lean_is_exclusive(x_72);
+x_218 = !lean_is_exclusive(x_96);
 if (x_218 == 0)
 {
-return x_72;
+return x_96;
 }
 else
 {
 lean_object* x_219; lean_object* x_220; lean_object* x_221; 
-x_219 = lean_ctor_get(x_72, 0);
-x_220 = lean_ctor_get(x_72, 1);
+x_219 = lean_ctor_get(x_96, 0);
+x_220 = lean_ctor_get(x_96, 1);
 lean_inc(x_220);
 lean_inc(x_219);
-lean_dec(x_72);
+lean_dec(x_96);
 x_221 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_221, 0, x_219);
 lean_ctor_set(x_221, 1, x_220);
@@ -9206,19 +9297,19 @@ return x_221;
 else
 {
 uint8_t x_222; 
-x_222 = !lean_is_exclusive(x_69);
+x_222 = !lean_is_exclusive(x_93);
 if (x_222 == 0)
 {
-return x_69;
+return x_93;
 }
 else
 {
 lean_object* x_223; lean_object* x_224; lean_object* x_225; 
-x_223 = lean_ctor_get(x_69, 0);
-x_224 = lean_ctor_get(x_69, 1);
+x_223 = lean_ctor_get(x_93, 0);
+x_224 = lean_ctor_get(x_93, 1);
 lean_inc(x_224);
 lean_inc(x_223);
-lean_dec(x_69);
+lean_dec(x_93);
 x_225 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_225, 0, x_223);
 lean_ctor_set(x_225, 1, x_224);
@@ -9229,19 +9320,19 @@ return x_225;
 else
 {
 uint8_t x_226; 
-x_226 = !lean_is_exclusive(x_63);
+x_226 = !lean_is_exclusive(x_87);
 if (x_226 == 0)
 {
-return x_63;
+return x_87;
 }
 else
 {
 lean_object* x_227; lean_object* x_228; lean_object* x_229; 
-x_227 = lean_ctor_get(x_63, 0);
-x_228 = lean_ctor_get(x_63, 1);
+x_227 = lean_ctor_get(x_87, 0);
+x_228 = lean_ctor_get(x_87, 1);
 lean_inc(x_228);
 lean_inc(x_227);
-lean_dec(x_63);
+lean_dec(x_87);
 x_229 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_229, 0, x_227);
 lean_ctor_set(x_229, 1, x_228);
@@ -9252,19 +9343,19 @@ return x_229;
 else
 {
 uint8_t x_230; 
-x_230 = !lean_is_exclusive(x_60);
+x_230 = !lean_is_exclusive(x_84);
 if (x_230 == 0)
 {
-return x_60;
+return x_84;
 }
 else
 {
 lean_object* x_231; lean_object* x_232; lean_object* x_233; 
-x_231 = lean_ctor_get(x_60, 0);
-x_232 = lean_ctor_get(x_60, 1);
+x_231 = lean_ctor_get(x_84, 0);
+x_232 = lean_ctor_get(x_84, 1);
 lean_inc(x_232);
 lean_inc(x_231);
-lean_dec(x_60);
+lean_dec(x_84);
 x_233 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_233, 0, x_231);
 lean_ctor_set(x_233, 1, x_232);
@@ -9275,19 +9366,19 @@ return x_233;
 else
 {
 uint8_t x_234; 
-x_234 = !lean_is_exclusive(x_57);
+x_234 = !lean_is_exclusive(x_81);
 if (x_234 == 0)
 {
-return x_57;
+return x_81;
 }
 else
 {
 lean_object* x_235; lean_object* x_236; lean_object* x_237; 
-x_235 = lean_ctor_get(x_57, 0);
-x_236 = lean_ctor_get(x_57, 1);
+x_235 = lean_ctor_get(x_81, 0);
+x_236 = lean_ctor_get(x_81, 1);
 lean_inc(x_236);
 lean_inc(x_235);
-lean_dec(x_57);
+lean_dec(x_81);
 x_237 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_237, 0, x_235);
 lean_ctor_set(x_237, 1, x_236);
@@ -9298,19 +9389,19 @@ return x_237;
 else
 {
 uint8_t x_238; 
-x_238 = !lean_is_exclusive(x_50);
+x_238 = !lean_is_exclusive(x_75);
 if (x_238 == 0)
 {
-return x_50;
+return x_75;
 }
 else
 {
 lean_object* x_239; lean_object* x_240; lean_object* x_241; 
-x_239 = lean_ctor_get(x_50, 0);
-x_240 = lean_ctor_get(x_50, 1);
+x_239 = lean_ctor_get(x_75, 0);
+x_240 = lean_ctor_get(x_75, 1);
 lean_inc(x_240);
 lean_inc(x_239);
-lean_dec(x_50);
+lean_dec(x_75);
 x_241 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_241, 0, x_239);
 lean_ctor_set(x_241, 1, x_240);
@@ -9321,19 +9412,19 @@ return x_241;
 else
 {
 uint8_t x_242; 
-x_242 = !lean_is_exclusive(x_47);
+x_242 = !lean_is_exclusive(x_72);
 if (x_242 == 0)
 {
-return x_47;
+return x_72;
 }
 else
 {
 lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-x_243 = lean_ctor_get(x_47, 0);
-x_244 = lean_ctor_get(x_47, 1);
+x_243 = lean_ctor_get(x_72, 0);
+x_244 = lean_ctor_get(x_72, 1);
 lean_inc(x_244);
 lean_inc(x_243);
-lean_dec(x_47);
+lean_dec(x_72);
 x_245 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_245, 0, x_243);
 lean_ctor_set(x_245, 1, x_244);
@@ -9344,19 +9435,19 @@ return x_245;
 else
 {
 uint8_t x_246; 
-x_246 = !lean_is_exclusive(x_44);
+x_246 = !lean_is_exclusive(x_69);
 if (x_246 == 0)
 {
-return x_44;
+return x_69;
 }
 else
 {
 lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_247 = lean_ctor_get(x_44, 0);
-x_248 = lean_ctor_get(x_44, 1);
+x_247 = lean_ctor_get(x_69, 0);
+x_248 = lean_ctor_get(x_69, 1);
 lean_inc(x_248);
 lean_inc(x_247);
-lean_dec(x_44);
+lean_dec(x_69);
 x_249 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_249, 0, x_247);
 lean_ctor_set(x_249, 1, x_248);
@@ -9367,19 +9458,19 @@ return x_249;
 else
 {
 uint8_t x_250; 
-x_250 = !lean_is_exclusive(x_39);
+x_250 = !lean_is_exclusive(x_62);
 if (x_250 == 0)
 {
-return x_39;
+return x_62;
 }
 else
 {
 lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_251 = lean_ctor_get(x_39, 0);
-x_252 = lean_ctor_get(x_39, 1);
+x_251 = lean_ctor_get(x_62, 0);
+x_252 = lean_ctor_get(x_62, 1);
 lean_inc(x_252);
 lean_inc(x_251);
-lean_dec(x_39);
+lean_dec(x_62);
 x_253 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_253, 0, x_251);
 lean_ctor_set(x_253, 1, x_252);
@@ -9390,19 +9481,19 @@ return x_253;
 else
 {
 uint8_t x_254; 
-x_254 = !lean_is_exclusive(x_36);
+x_254 = !lean_is_exclusive(x_59);
 if (x_254 == 0)
 {
-return x_36;
+return x_59;
 }
 else
 {
 lean_object* x_255; lean_object* x_256; lean_object* x_257; 
-x_255 = lean_ctor_get(x_36, 0);
-x_256 = lean_ctor_get(x_36, 1);
+x_255 = lean_ctor_get(x_59, 0);
+x_256 = lean_ctor_get(x_59, 1);
 lean_inc(x_256);
 lean_inc(x_255);
-lean_dec(x_36);
+lean_dec(x_59);
 x_257 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_257, 0, x_255);
 lean_ctor_set(x_257, 1, x_256);
@@ -9413,19 +9504,19 @@ return x_257;
 else
 {
 uint8_t x_258; 
-x_258 = !lean_is_exclusive(x_33);
+x_258 = !lean_is_exclusive(x_56);
 if (x_258 == 0)
 {
-return x_33;
+return x_56;
 }
 else
 {
 lean_object* x_259; lean_object* x_260; lean_object* x_261; 
-x_259 = lean_ctor_get(x_33, 0);
-x_260 = lean_ctor_get(x_33, 1);
+x_259 = lean_ctor_get(x_56, 0);
+x_260 = lean_ctor_get(x_56, 1);
 lean_inc(x_260);
 lean_inc(x_259);
-lean_dec(x_33);
+lean_dec(x_56);
 x_261 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_261, 0, x_259);
 lean_ctor_set(x_261, 1, x_260);
@@ -9436,19 +9527,19 @@ return x_261;
 else
 {
 uint8_t x_262; 
-x_262 = !lean_is_exclusive(x_28);
+x_262 = !lean_is_exclusive(x_51);
 if (x_262 == 0)
 {
-return x_28;
+return x_51;
 }
 else
 {
 lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_28, 0);
-x_264 = lean_ctor_get(x_28, 1);
+x_263 = lean_ctor_get(x_51, 0);
+x_264 = lean_ctor_get(x_51, 1);
 lean_inc(x_264);
 lean_inc(x_263);
-lean_dec(x_28);
+lean_dec(x_51);
 x_265 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_265, 0, x_263);
 lean_ctor_set(x_265, 1, x_264);
@@ -9459,19 +9550,19 @@ return x_265;
 else
 {
 uint8_t x_266; 
-x_266 = !lean_is_exclusive(x_25);
+x_266 = !lean_is_exclusive(x_48);
 if (x_266 == 0)
 {
-return x_25;
+return x_48;
 }
 else
 {
 lean_object* x_267; lean_object* x_268; lean_object* x_269; 
-x_267 = lean_ctor_get(x_25, 0);
-x_268 = lean_ctor_get(x_25, 1);
+x_267 = lean_ctor_get(x_48, 0);
+x_268 = lean_ctor_get(x_48, 1);
 lean_inc(x_268);
 lean_inc(x_267);
-lean_dec(x_25);
+lean_dec(x_48);
 x_269 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_269, 0, x_267);
 lean_ctor_set(x_269, 1, x_268);
@@ -9482,19 +9573,19 @@ return x_269;
 else
 {
 uint8_t x_270; 
-x_270 = !lean_is_exclusive(x_22);
+x_270 = !lean_is_exclusive(x_45);
 if (x_270 == 0)
 {
-return x_22;
+return x_45;
 }
 else
 {
 lean_object* x_271; lean_object* x_272; lean_object* x_273; 
-x_271 = lean_ctor_get(x_22, 0);
-x_272 = lean_ctor_get(x_22, 1);
+x_271 = lean_ctor_get(x_45, 0);
+x_272 = lean_ctor_get(x_45, 1);
 lean_inc(x_272);
 lean_inc(x_271);
-lean_dec(x_22);
+lean_dec(x_45);
 x_273 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_273, 0, x_271);
 lean_ctor_set(x_273, 1, x_272);
@@ -9505,19 +9596,19 @@ return x_273;
 else
 {
 uint8_t x_274; 
-x_274 = !lean_is_exclusive(x_15);
+x_274 = !lean_is_exclusive(x_40);
 if (x_274 == 0)
 {
-return x_15;
+return x_40;
 }
 else
 {
 lean_object* x_275; lean_object* x_276; lean_object* x_277; 
-x_275 = lean_ctor_get(x_15, 0);
-x_276 = lean_ctor_get(x_15, 1);
+x_275 = lean_ctor_get(x_40, 0);
+x_276 = lean_ctor_get(x_40, 1);
 lean_inc(x_276);
 lean_inc(x_275);
-lean_dec(x_15);
+lean_dec(x_40);
 x_277 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_277, 0, x_275);
 lean_ctor_set(x_277, 1, x_276);
@@ -9528,19 +9619,19 @@ return x_277;
 else
 {
 uint8_t x_278; 
-x_278 = !lean_is_exclusive(x_11);
+x_278 = !lean_is_exclusive(x_37);
 if (x_278 == 0)
 {
-return x_11;
+return x_37;
 }
 else
 {
 lean_object* x_279; lean_object* x_280; lean_object* x_281; 
-x_279 = lean_ctor_get(x_11, 0);
-x_280 = lean_ctor_get(x_11, 1);
+x_279 = lean_ctor_get(x_37, 0);
+x_280 = lean_ctor_get(x_37, 1);
 lean_inc(x_280);
 lean_inc(x_279);
-lean_dec(x_11);
+lean_dec(x_37);
 x_281 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_281, 0, x_279);
 lean_ctor_set(x_281, 1, x_280);
@@ -9551,23 +9642,161 @@ return x_281;
 else
 {
 uint8_t x_282; 
-x_282 = !lean_is_exclusive(x_7);
+x_282 = !lean_is_exclusive(x_34);
 if (x_282 == 0)
 {
+return x_34;
+}
+else
+{
+lean_object* x_283; lean_object* x_284; lean_object* x_285; 
+x_283 = lean_ctor_get(x_34, 0);
+x_284 = lean_ctor_get(x_34, 1);
+lean_inc(x_284);
+lean_inc(x_283);
+lean_dec(x_34);
+x_285 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_285, 0, x_283);
+lean_ctor_set(x_285, 1, x_284);
+return x_285;
+}
+}
+}
+else
+{
+uint8_t x_286; 
+x_286 = !lean_is_exclusive(x_27);
+if (x_286 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+x_287 = lean_ctor_get(x_27, 0);
+x_288 = lean_ctor_get(x_27, 1);
+lean_inc(x_288);
+lean_inc(x_287);
+lean_dec(x_27);
+x_289 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_289, 0, x_287);
+lean_ctor_set(x_289, 1, x_288);
+return x_289;
+}
+}
+}
+else
+{
+uint8_t x_290; 
+x_290 = !lean_is_exclusive(x_24);
+if (x_290 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_291; lean_object* x_292; lean_object* x_293; 
+x_291 = lean_ctor_get(x_24, 0);
+x_292 = lean_ctor_get(x_24, 1);
+lean_inc(x_292);
+lean_inc(x_291);
+lean_dec(x_24);
+x_293 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_293, 0, x_291);
+lean_ctor_set(x_293, 1, x_292);
+return x_293;
+}
+}
+}
+else
+{
+uint8_t x_294; 
+x_294 = !lean_is_exclusive(x_21);
+if (x_294 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_295; lean_object* x_296; lean_object* x_297; 
+x_295 = lean_ctor_get(x_21, 0);
+x_296 = lean_ctor_get(x_21, 1);
+lean_inc(x_296);
+lean_inc(x_295);
+lean_dec(x_21);
+x_297 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_297, 0, x_295);
+lean_ctor_set(x_297, 1, x_296);
+return x_297;
+}
+}
+}
+else
+{
+uint8_t x_298; 
+x_298 = !lean_is_exclusive(x_15);
+if (x_298 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_299; lean_object* x_300; lean_object* x_301; 
+x_299 = lean_ctor_get(x_15, 0);
+x_300 = lean_ctor_get(x_15, 1);
+lean_inc(x_300);
+lean_inc(x_299);
+lean_dec(x_15);
+x_301 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_301, 0, x_299);
+lean_ctor_set(x_301, 1, x_300);
+return x_301;
+}
+}
+}
+else
+{
+uint8_t x_302; 
+x_302 = !lean_is_exclusive(x_11);
+if (x_302 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_303; lean_object* x_304; lean_object* x_305; 
+x_303 = lean_ctor_get(x_11, 0);
+x_304 = lean_ctor_get(x_11, 1);
+lean_inc(x_304);
+lean_inc(x_303);
+lean_dec(x_11);
+x_305 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_305, 0, x_303);
+lean_ctor_set(x_305, 1, x_304);
+return x_305;
+}
+}
+}
+else
+{
+uint8_t x_306; 
+x_306 = !lean_is_exclusive(x_7);
+if (x_306 == 0)
+{
 return x_7;
 }
 else
 {
-lean_object* x_283; lean_object* x_284; lean_object* x_285; 
-x_283 = lean_ctor_get(x_7, 0);
-x_284 = lean_ctor_get(x_7, 1);
-lean_inc(x_284);
-lean_inc(x_283);
+lean_object* x_307; lean_object* x_308; lean_object* x_309; 
+x_307 = lean_ctor_get(x_7, 0);
+x_308 = lean_ctor_get(x_7, 1);
+lean_inc(x_308);
+lean_inc(x_307);
 lean_dec(x_7);
-x_285 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_285, 0, x_283);
-lean_ctor_set(x_285, 1, x_284);
-return x_285;
+x_309 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_309, 0, x_307);
+lean_ctor_set(x_309, 1, x_308);
+return x_309;
 }
 }
 }
@@ -9933,6 +10162,10 @@ l_Lean_Parser_sepByIndent_parenthesizer___closed__3 = _init_l_Lean_Parser_sepByI
 lean_mark_persistent(l_Lean_Parser_sepByIndent_parenthesizer___closed__3);
 l_Lean_Parser_sepByIndent_parenthesizer___closed__4 = _init_l_Lean_Parser_sepByIndent_parenthesizer___closed__4();
 lean_mark_persistent(l_Lean_Parser_sepByIndent_parenthesizer___closed__4);
+l_Lean_Parser_patternIgnore_formatter___closed__1 = _init_l_Lean_Parser_patternIgnore_formatter___closed__1();
+lean_mark_persistent(l_Lean_Parser_patternIgnore_formatter___closed__1);
+l_Lean_Parser_patternIgnore_formatter___closed__2 = _init_l_Lean_Parser_patternIgnore_formatter___closed__2();
+lean_mark_persistent(l_Lean_Parser_patternIgnore_formatter___closed__2);
 l_Lean_Parser_ppHardSpace = _init_l_Lean_Parser_ppHardSpace();
 lean_mark_persistent(l_Lean_Parser_ppHardSpace);
 l_Lean_Parser_ppSpace = _init_l_Lean_Parser_ppSpace();
@@ -10185,239 +10418,255 @@ l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegi
 lean_mark_persistent(l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__80);
 l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__81 = _init_l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__81();
 lean_mark_persistent(l_Lean_Parser___aux__Lean__Parser__Extra______macroRules__Lean__Parser__termRegister__parser__alias_x28Kind_x3a_x3d___x29__________1___lambda__1___closed__81);
-l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1();
-lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__1);
-l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2();
-lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__2);
-l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__3 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__3();
-lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__3);
-l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__4 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__4();
-lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__4);
-l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5 = _init_l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5();
-lean_mark_persistent(l_Lean_Parser_initFn____x40_Lean_Parser_Extra___hyg_2104____closed__5);
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diff --git a/stage0/stdlib/Lean/PrettyPrinter/Formatter.c b/stage0/stdlib/Lean/PrettyPrinter/Formatter.c
index 648422b11d..c6c6ffdc8a 100644
--- a/stage0/stdlib/Lean/PrettyPrinter/Formatter.c
+++ b/stage0/stdlib/Lean/PrettyPrinter/Formatter.c
@@ -24,7 +24,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_ite___rarg___boxed(lean_
 uint8_t l_Lean_Syntax_isAntiquotSuffixSplice(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_visitArgs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6589_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6640_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_checkTailWs_formatter___rarg(lean_object*);
 uint8_t l_Lean_Syntax_isTokenAntiquot(lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, uint8_t, lean_object*);
@@ -122,6 +122,7 @@ lean_object* lean_string_utf8_extract(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_checkNoWsBefore_formatter___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_lookahead_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_checkTailWs_formatter___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_symbolNoAntiquot_formatter___closed__3;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_mkFormatterAttribute(lean_object*);
@@ -153,7 +154,6 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_pushToken___lambda__3___
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_fill(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__3;
 static lean_object* l_Lean_PrettyPrinter_mkFormatterAttribute___closed__9;
-static lean_object* l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7;
 lean_object* l_Lean_Parser_registerAliasCore___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_getStack___boxed(lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_scientificLitNoAntiquot_formatter___closed__2;
@@ -271,7 +271,6 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_checkLhsPrec_formatter(l
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_checkKind___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_mkAntiquot_formatter_x27___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_goUp___at_Lean_PrettyPrinter_Formatter_visitArgs___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_identNoAntiquot_formatter___closed__2;
@@ -418,11 +417,12 @@ static lean_object* l_Lean_PrettyPrinter_Formatter_instMonadTraverserFormatterM_
 LEAN_EXPORT lean_object* l___private_Lean_PrettyPrinter_Formatter_0__Lean_PrettyPrinter_Formatter_SourceInfo_getExprPos_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_withoutInfo_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Std_instInhabitedFormat;
+static lean_object* l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1;
 static lean_object* l_Lean_PrettyPrinter_Formatter_numLitNoAntiquot_formatter___closed__2;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_concat___lambda__1___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_parserOfStack_formatter(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_nameLitNoAntiquot_formatter___closed__2;
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7236_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7287_(lean_object*);
 lean_object* lean_int_sub(lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Formatter_symbolNoAntiquot_formatter___closed__6;
 static lean_object* l_Lean_PrettyPrinter_mkCombinatorFormatterAttribute___closed__4;
@@ -3742,155 +3742,196 @@ lean_dec(x_1);
 return x_8;
 }
 }
+static lean_object* _init_l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("choice", 6);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_orelse_formatter(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = lean_ctor_get(x_8, 1);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_8 = l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Formatter_visitArgs___spec__1___rarg(x_4, x_5, x_6, x_7);
+x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 1);
+lean_inc(x_10);
 lean_dec(x_8);
-x_10 = lean_st_ref_get(x_4, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
+x_11 = l_Lean_Syntax_getKind(x_9);
+x_12 = l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2;
+x_13 = lean_name_eq(x_11, x_12);
+lean_dec(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_14 = lean_st_ref_get(x_6, x_10);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_st_ref_get(x_4, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_13 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_12);
-if (lean_obj_tag(x_13) == 0)
+x_19 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_18);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_dec(x_11);
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_13;
+return x_19;
 }
 else
 {
-lean_object* x_14; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-if (lean_obj_tag(x_14) == 0)
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+if (lean_obj_tag(x_20) == 0)
 {
-uint8_t x_15; 
-lean_dec(x_11);
+uint8_t x_21; 
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_15 = !lean_is_exclusive(x_13);
-if (x_15 == 0)
+x_21 = !lean_is_exclusive(x_19);
+if (x_21 == 0)
 {
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_13, 0);
-lean_dec(x_16);
-return x_13;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_14);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-else
-{
-uint8_t x_19; 
-x_19 = !lean_is_exclusive(x_13);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_20 = lean_ctor_get(x_13, 1);
-x_21 = lean_ctor_get(x_13, 0);
-lean_dec(x_21);
-x_22 = lean_ctor_get(x_14, 0);
-lean_inc(x_22);
-x_23 = l_Lean_PrettyPrinter_FormatterM_orElse___rarg___closed__1;
-x_24 = lean_nat_dec_eq(x_23, x_22);
+lean_object* x_22; 
+x_22 = lean_ctor_get(x_19, 0);
 lean_dec(x_22);
-if (x_24 == 0)
-{
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_13;
+return x_19;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-lean_free_object(x_13);
-lean_dec(x_14);
-x_25 = lean_st_ref_get(x_6, x_20);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = lean_st_ref_set(x_4, x_11, x_26);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_24, 0, x_20);
+lean_ctor_set(x_24, 1, x_23);
+return x_24;
+}
+}
+else
+{
+uint8_t x_25; 
+x_25 = !lean_is_exclusive(x_19);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_26 = lean_ctor_get(x_19, 1);
+x_27 = lean_ctor_get(x_19, 0);
 lean_dec(x_27);
-x_29 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_28);
-return x_29;
-}
-}
-else
+x_28 = lean_ctor_get(x_20, 0);
+lean_inc(x_28);
+x_29 = l_Lean_PrettyPrinter_FormatterM_orElse___rarg___closed__1;
+x_30 = lean_nat_dec_eq(x_29, x_28);
+lean_dec(x_28);
+if (x_30 == 0)
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_30 = lean_ctor_get(x_13, 1);
-lean_inc(x_30);
-lean_dec(x_13);
-x_31 = lean_ctor_get(x_14, 0);
-lean_inc(x_31);
-x_32 = l_Lean_PrettyPrinter_FormatterM_orElse___rarg___closed__1;
-x_33 = lean_nat_dec_eq(x_32, x_31);
-lean_dec(x_31);
-if (x_33 == 0)
-{
-lean_object* x_34; 
-lean_dec(x_11);
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_14);
-lean_ctor_set(x_34, 1, x_30);
-return x_34;
+return x_19;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-lean_dec(x_14);
-x_35 = lean_st_ref_get(x_6, x_30);
-x_36 = lean_ctor_get(x_35, 1);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_free_object(x_19);
+lean_dec(x_20);
+x_31 = lean_st_ref_get(x_6, x_26);
+x_32 = lean_ctor_get(x_31, 1);
+lean_inc(x_32);
+lean_dec(x_31);
+x_33 = lean_st_ref_set(x_4, x_17, x_32);
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+lean_dec(x_33);
+x_35 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_34);
+return x_35;
+}
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_36 = lean_ctor_get(x_19, 1);
 lean_inc(x_36);
-lean_dec(x_35);
-x_37 = lean_st_ref_set(x_4, x_11, x_36);
-x_38 = lean_ctor_get(x_37, 1);
-lean_inc(x_38);
+lean_dec(x_19);
+x_37 = lean_ctor_get(x_20, 0);
+lean_inc(x_37);
+x_38 = l_Lean_PrettyPrinter_FormatterM_orElse___rarg___closed__1;
+x_39 = lean_nat_dec_eq(x_38, x_37);
 lean_dec(x_37);
-x_39 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_38);
-return x_39;
+if (x_39 == 0)
+{
+lean_object* x_40; 
+lean_dec(x_17);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_20);
+lean_ctor_set(x_40, 1, x_36);
+return x_40;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+lean_dec(x_20);
+x_41 = lean_st_ref_get(x_6, x_36);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_st_ref_set(x_4, x_17, x_42);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_44);
+return x_45;
 }
 }
 }
 }
 }
+else
+{
+lean_object* x_46; lean_object* x_47; 
+x_46 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Formatter_orelse_formatter), 7, 2);
+lean_closure_set(x_46, 0, x_1);
+lean_closure_set(x_46, 1, x_2);
+x_47 = l_Lean_PrettyPrinter_Formatter_visitArgs(x_46, x_3, x_4, x_5, x_6, x_10);
+return x_47;
+}
+}
 }
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_mkAntiquot_formatter_x27___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
@@ -4654,7 +4695,7 @@ static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore__
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("choice", 6);
+x_1 = lean_mk_string_from_bytes("rawStx", 6);
 return x_1;
 }
 }
@@ -4672,29 +4713,11 @@ static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore__
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("rawStx", 6);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__4;
-x_3 = l_Lean_Name_str___override(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6() {
-_start:
-{
-lean_object* x_1; 
 x_1 = lean_alloc_closure((void*)(l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Formatter_visitArgs___spec__1___boxed), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7() {
+static lean_object* _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -4709,12 +4732,12 @@ lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12;
 x_9 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__1;
 lean_inc(x_1);
 x_10 = l_Lean_Syntax_getKind(x_1);
-x_11 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__3;
+x_11 = l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2;
 x_12 = lean_name_eq(x_10, x_11);
 if (x_12 == 0)
 {
 lean_object* x_13; uint8_t x_14; 
-x_13 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5;
+x_13 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__3;
 x_14 = lean_name_eq(x_2, x_13);
 if (x_14 == 0)
 {
@@ -4845,8 +4868,8 @@ lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50;
 lean_dec(x_10);
 lean_dec(x_2);
 lean_dec(x_1);
-x_47 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6;
-x_48 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7;
+x_47 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__4;
+x_48 = l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5;
 x_49 = lean_alloc_closure((void*)(l_ReaderT_bind___at_Lean_PrettyPrinter_Formatter_categoryFormatterCore___spec__2___rarg), 7, 2);
 lean_closure_set(x_49, 0, x_47);
 lean_closure_set(x_49, 1, x_48);
@@ -7571,7 +7594,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_PrettyPrinter_Formatter_symbolNoAntiquot_formatter___closed__5;
 x_2 = l_Lean_PrettyPrinter_Formatter_symbolNoAntiquot_formatter___closed__6;
-x_3 = lean_unsigned_to_nat(377u);
+x_3 = lean_unsigned_to_nat(385u);
 x_4 = lean_unsigned_to_nat(42u);
 x_5 = l_Lean_PrettyPrinter_Formatter_symbolNoAntiquot_formatter___closed__7;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -10179,7 +10202,7 @@ x_10 = l_Lean_PrettyPrinter_Formatter_ite___rarg(x_9, x_2, x_3, x_4, x_5, x_6, x
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6589_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6640_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; uint8_t x_4; 
@@ -10869,7 +10892,7 @@ x_6 = l_Lean_PrettyPrinter_formatCategory(x_5, x_1, x_2, x_3, x_4);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7236_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7287_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
@@ -11061,6 +11084,10 @@ l_Lean_PrettyPrinter_Formatter_visitArgs___closed__1 = _init_l_Lean_PrettyPrinte
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_visitArgs___closed__1);
 l_Lean_PrettyPrinter_Formatter_concat___closed__1 = _init_l_Lean_PrettyPrinter_Formatter_concat___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_concat___closed__1);
+l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1 = _init_l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1();
+lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__1);
+l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2 = _init_l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2();
+lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_orelse_formatter___closed__2);
 l_Lean_PrettyPrinter_Formatter_formatterForKindUnsafe___closed__1 = _init_l_Lean_PrettyPrinter_Formatter_formatterForKindUnsafe___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_formatterForKindUnsafe___closed__1);
 l_Lean_PrettyPrinter_Formatter_formatterForKindUnsafe___closed__2 = _init_l_Lean_PrettyPrinter_Formatter_formatterForKindUnsafe___closed__2();
@@ -11085,10 +11112,6 @@ l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__4 = _
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__4);
 l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5 = _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5();
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__5);
-l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6 = _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6();
-lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__6);
-l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7 = _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7();
-lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___lambda__4___closed__7);
 l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___closed__1 = _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___closed__1);
 l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___closed__2 = _init_l_Lean_PrettyPrinter_Formatter_categoryFormatterCore___closed__2();
@@ -11207,7 +11230,7 @@ l_Array_foldlMUnsafe_fold___at_Lean_PrettyPrinter_Formatter_interpolatedStr_form
 lean_mark_persistent(l_Array_foldlMUnsafe_fold___at_Lean_PrettyPrinter_Formatter_interpolatedStr_formatter___spec__2___closed__2);
 l_Lean_PrettyPrinter_Formatter_interpolatedStr_formatter___boxed__const__1 = _init_l_Lean_PrettyPrinter_Formatter_interpolatedStr_formatter___boxed__const__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_interpolatedStr_formatter___boxed__const__1);
-if (builtin) {res = l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6589_(lean_io_mk_world());
+if (builtin) {res = l_Lean_PrettyPrinter_Formatter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_6640_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_PrettyPrinter_Formatter_formatterAliasesRef = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_PrettyPrinter_Formatter_formatterAliasesRef);
@@ -11236,7 +11259,7 @@ l_Lean_PrettyPrinter_formatCommand___closed__1 = _init_l_Lean_PrettyPrinter_form
 lean_mark_persistent(l_Lean_PrettyPrinter_formatCommand___closed__1);
 l_Lean_PrettyPrinter_formatCommand___closed__2 = _init_l_Lean_PrettyPrinter_formatCommand___closed__2();
 lean_mark_persistent(l_Lean_PrettyPrinter_formatCommand___closed__2);
-res = l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7236_(lean_io_mk_world());
+res = l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Formatter___hyg_7287_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c b/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
index c8c17ebe08..e1f79f691a 100644
--- a/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
+++ b/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
@@ -79,6 +79,7 @@ static lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute___closed__10;
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__3;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_parenthesize___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_term_parenthesizer___closed__2;
+static lean_object* l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkColEq_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_node2(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -90,7 +91,7 @@ lean_object* lean_environment_find(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_goUp___at_Lean_PrettyPrinter_Parenthesizer_visitArgs___spec__4___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isTracingEnabledFor___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6568_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6637_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__9___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_setCur___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_term_parenthesizer___lambda__1___closed__6;
@@ -242,6 +243,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_pushNone_parenthesiz
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_scientificLitNoAntiquot_parenthesizer___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute___closed__12;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_incQuotDepth_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2;
 static lean_object* l_Lean_PrettyPrinter_ParenthesizerM_orElse___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_categoryParserOfStack_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_parenthesizeCategory(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -362,7 +364,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_level_p
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_level_parenthesizer___lambda__1___closed__2;
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkKind___closed__2;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_mkCategoryParenthesizerAttribute___lambda__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_5957_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6026_(lean_object*);
 static lean_object* l_Option_format___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__6___closed__4;
 LEAN_EXPORT lean_object* l_Lean_isTracingEnabledFor___at_Lean_PrettyPrinter_parenthesize___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_setExpected_parenthesizer(lean_object*);
@@ -418,9 +420,8 @@ static lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_tactic_paren
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_parenthesizeTactic(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instMonadQuotation___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__10___closed__10;
-static lean_object* l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__10___closed__20;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_term_parenthesizer(lean_object*);
@@ -436,7 +437,7 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_goUp___at_Lean_PrettyPrint
 static lean_object* l_Lean_PrettyPrinter_mkCombinatorParenthesizerAttribute___closed__4;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_symbolNoAntiquot_parenthesizer___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__3___closed__1;
-LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_getIdx___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_PrettyPrinter_Parenthesizer_tactic_parenthesizer___closed__2;
 static lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute___closed__3;
@@ -447,7 +448,6 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_mkAntiquot_parenthes
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_instMonadTraverserParenthesizerM___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_rawIdentNoAntiquot_parenthesizer(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkColGt_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_getIdx___at_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___spec__1___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkLinebreakBefore_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_mkCategoryParenthesizerAttribute___closed__2;
@@ -510,6 +510,7 @@ LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_getIdx___at_Lean_PrettyPri
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_tactic_parenthesizer___closed__1;
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_PrettyPrinter_Parenthesizer_trailingNode_parenthesizer___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_Traverser_left(lean_object*);
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__10___closed__17;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_categoryParserOfStack_parenthesizer___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_mkCombinatorParenthesizerAttribute___closed__2;
@@ -532,6 +533,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___
 static lean_object* l_Lean_PrettyPrinter_parenthesize___closed__2;
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_level_parenthesizer___closed__2;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_addPrecCheck___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___lambda__10___closed__9;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_notFollowedBy_parenthesizer___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Parenthesizer_visitArgs___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5523,155 +5525,291 @@ lean_dec(x_1);
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = lean_nat_dec_eq(x_4, x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_sub(x_4, x_12);
+lean_dec(x_4);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_2);
+lean_inc(x_1);
+x_14 = l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer(x_1, x_2, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; 
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_4 = x_13;
+x_9 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_17; 
+lean_dec(x_13);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = !lean_is_exclusive(x_14);
+if (x_17 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_14, 0);
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_14);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+else
+{
+lean_object* x_21; lean_object* x_22; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_21 = lean_box(0);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_9);
+return x_22;
+}
+}
+}
+static lean_object* _init_l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("choice", 6);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = lean_ctor_get(x_8, 1);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_8 = l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Parenthesizer_visitArgs___spec__1___rarg(x_4, x_5, x_6, x_7);
+x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 1);
+lean_inc(x_10);
 lean_dec(x_8);
-x_10 = lean_st_ref_get(x_4, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
+lean_inc(x_9);
+x_11 = l_Lean_Syntax_getKind(x_9);
+x_12 = l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2;
+x_13 = lean_name_eq(x_11, x_12);
+lean_dec(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_dec(x_9);
+x_14 = lean_st_ref_get(x_6, x_10);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_st_ref_get(x_4, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_13 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_12);
-if (lean_obj_tag(x_13) == 0)
+x_19 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_18);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_dec(x_11);
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_13;
+return x_19;
 }
 else
 {
-lean_object* x_14; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-if (lean_obj_tag(x_14) == 0)
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+if (lean_obj_tag(x_20) == 0)
 {
-uint8_t x_15; 
-lean_dec(x_11);
+uint8_t x_21; 
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_15 = !lean_is_exclusive(x_13);
-if (x_15 == 0)
+x_21 = !lean_is_exclusive(x_19);
+if (x_21 == 0)
 {
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_13, 0);
-lean_dec(x_16);
-return x_13;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_14);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-else
-{
-uint8_t x_19; 
-x_19 = !lean_is_exclusive(x_13);
-if (x_19 == 0)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_20 = lean_ctor_get(x_13, 1);
-x_21 = lean_ctor_get(x_13, 0);
-lean_dec(x_21);
-x_22 = lean_ctor_get(x_14, 0);
-lean_inc(x_22);
-x_23 = l_Lean_PrettyPrinter_ParenthesizerM_orElse___rarg___closed__1;
-x_24 = lean_nat_dec_eq(x_23, x_22);
+lean_object* x_22; 
+x_22 = lean_ctor_get(x_19, 0);
 lean_dec(x_22);
-if (x_24 == 0)
-{
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_13;
+return x_19;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-lean_free_object(x_13);
-lean_dec(x_14);
-x_25 = lean_st_ref_get(x_6, x_20);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = lean_st_ref_set(x_4, x_11, x_26);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_24, 0, x_20);
+lean_ctor_set(x_24, 1, x_23);
+return x_24;
+}
+}
+else
+{
+uint8_t x_25; 
+x_25 = !lean_is_exclusive(x_19);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_26 = lean_ctor_get(x_19, 1);
+x_27 = lean_ctor_get(x_19, 0);
 lean_dec(x_27);
-x_29 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_28);
-return x_29;
-}
-}
-else
+x_28 = lean_ctor_get(x_20, 0);
+lean_inc(x_28);
+x_29 = l_Lean_PrettyPrinter_ParenthesizerM_orElse___rarg___closed__1;
+x_30 = lean_nat_dec_eq(x_29, x_28);
+lean_dec(x_28);
+if (x_30 == 0)
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_30 = lean_ctor_get(x_13, 1);
-lean_inc(x_30);
-lean_dec(x_13);
-x_31 = lean_ctor_get(x_14, 0);
-lean_inc(x_31);
-x_32 = l_Lean_PrettyPrinter_ParenthesizerM_orElse___rarg___closed__1;
-x_33 = lean_nat_dec_eq(x_32, x_31);
-lean_dec(x_31);
-if (x_33 == 0)
-{
-lean_object* x_34; 
-lean_dec(x_11);
+lean_dec(x_17);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_14);
-lean_ctor_set(x_34, 1, x_30);
-return x_34;
+return x_19;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-lean_dec(x_14);
-x_35 = lean_st_ref_get(x_6, x_30);
-x_36 = lean_ctor_get(x_35, 1);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_free_object(x_19);
+lean_dec(x_20);
+x_31 = lean_st_ref_get(x_6, x_26);
+x_32 = lean_ctor_get(x_31, 1);
+lean_inc(x_32);
+lean_dec(x_31);
+x_33 = lean_st_ref_set(x_4, x_17, x_32);
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+lean_dec(x_33);
+x_35 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_34);
+return x_35;
+}
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_36 = lean_ctor_get(x_19, 1);
 lean_inc(x_36);
-lean_dec(x_35);
-x_37 = lean_st_ref_set(x_4, x_11, x_36);
-x_38 = lean_ctor_get(x_37, 1);
-lean_inc(x_38);
+lean_dec(x_19);
+x_37 = lean_ctor_get(x_20, 0);
+lean_inc(x_37);
+x_38 = l_Lean_PrettyPrinter_ParenthesizerM_orElse___rarg___closed__1;
+x_39 = lean_nat_dec_eq(x_38, x_37);
 lean_dec(x_37);
-x_39 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_38);
-return x_39;
+if (x_39 == 0)
+{
+lean_object* x_40; 
+lean_dec(x_17);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_20);
+lean_ctor_set(x_40, 1, x_36);
+return x_40;
+}
+else
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+lean_dec(x_20);
+x_41 = lean_st_ref_get(x_6, x_36);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_st_ref_set(x_4, x_17, x_42);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_44);
+return x_45;
 }
 }
 }
 }
 }
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_46 = l_Lean_Syntax_getArgs(x_9);
+lean_dec(x_9);
+x_47 = lean_array_get_size(x_46);
+lean_dec(x_46);
+lean_inc(x_47);
+x_48 = lean_alloc_closure((void*)(l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1___boxed), 9, 4);
+lean_closure_set(x_48, 0, x_1);
+lean_closure_set(x_48, 1, x_2);
+lean_closure_set(x_48, 2, x_47);
+lean_closure_set(x_48, 3, x_47);
+x_49 = l_Lean_PrettyPrinter_Parenthesizer_visitArgs(x_48, x_3, x_4, x_5, x_6, x_10);
+return x_49;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_3);
+return x_10;
+}
 }
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_mkAntiquot_parenthesizer_x27___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
@@ -5979,81 +6117,80 @@ return x_12;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_unsigned_to_nat(0u);
-x_9 = lean_nat_dec_eq(x_2, x_8);
-if (x_9 == 0)
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = lean_nat_dec_eq(x_4, x_10);
+if (x_11 == 0)
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_10 = lean_unsigned_to_nat(1u);
-x_11 = lean_nat_sub(x_2, x_10);
-lean_dec(x_2);
-x_12 = l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Parenthesizer_visitArgs___spec__1___rarg(x_4, x_5, x_6, x_7);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = l_Lean_Syntax_getKind(x_13);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_sub(x_4, x_12);
+lean_dec(x_4);
+lean_inc(x_8);
+lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_16 = l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe(x_15, x_3, x_4, x_5, x_6, x_14);
-if (lean_obj_tag(x_16) == 0)
+lean_inc(x_2);
+lean_inc(x_1);
+x_14 = l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore(x_1, x_2, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_17; 
-x_17 = lean_ctor_get(x_16, 1);
-lean_inc(x_17);
-lean_dec(x_16);
-x_2 = x_11;
-x_7 = x_17;
+lean_object* x_15; 
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_4 = x_13;
+x_9 = x_15;
 goto _start;
 }
 else
 {
-uint8_t x_19; 
-lean_dec(x_11);
+uint8_t x_17; 
+lean_dec(x_13);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_19 = !lean_is_exclusive(x_16);
-if (x_19 == 0)
-{
-return x_16;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_16, 0);
-x_21 = lean_ctor_get(x_16, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_16);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
-}
-}
-}
-else
-{
-lean_object* x_23; lean_object* x_24; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_2);
-x_23 = lean_box(0);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_7);
-return x_24;
+lean_dec(x_1);
+x_17 = !lean_is_exclusive(x_14);
+if (x_17 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_14, 0);
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_14);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+else
+{
+lean_object* x_21; lean_object* x_22; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_21 = lean_box(0);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_9);
+return x_22;
 }
 }
 }
@@ -6148,30 +6285,11 @@ return x_33;
 }
 }
 }
-static lean_object* _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("choice", 6);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1;
-x_3 = l_Lean_Name_str___override(x_1, x_2);
-return x_3;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
 lean_dec(x_3);
-lean_dec(x_2);
 x_8 = l_Lean_Syntax_MonadTraverser_getCur___at_Lean_PrettyPrinter_Parenthesizer_visitArgs___spec__1___rarg(x_4, x_5, x_6, x_7);
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
@@ -6180,12 +6298,13 @@ lean_inc(x_10);
 lean_dec(x_8);
 lean_inc(x_9);
 x_11 = l_Lean_Syntax_getKind(x_9);
-x_12 = l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2;
+x_12 = l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2;
 x_13 = lean_name_eq(x_11, x_12);
 if (x_13 == 0)
 {
 uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
 lean_dec(x_9);
+lean_dec(x_2);
 x_14 = 1;
 lean_inc(x_1);
 x_15 = l_Lean_Name_toString(x_1, x_14);
@@ -6257,9 +6376,12 @@ lean_dec(x_9);
 x_29 = lean_array_get_size(x_28);
 lean_dec(x_28);
 lean_inc(x_29);
-x_30 = lean_alloc_closure((void*)(l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed), 7, 2);
-lean_closure_set(x_30, 0, x_29);
-lean_closure_set(x_30, 1, x_29);
+lean_inc(x_1);
+x_30 = lean_alloc_closure((void*)(l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed), 9, 4);
+lean_closure_set(x_30, 0, x_1);
+lean_closure_set(x_30, 1, x_2);
+lean_closure_set(x_30, 2, x_29);
+lean_closure_set(x_30, 3, x_29);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
@@ -6311,13 +6433,13 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_1);
-return x_8;
+lean_object* x_10; 
+x_10 = l_Nat_forM_loop___at_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_3);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -9601,7 +9723,7 @@ x_10 = l_Lean_PrettyPrinter_Parenthesizer_ite___rarg(x_9, x_2, x_3, x_4, x_5, x_
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_5957_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6026_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; uint8_t x_4; 
@@ -10221,7 +10343,7 @@ x_6 = l_Lean_PrettyPrinter_parenthesizeCategory(x_5, x_1, x_2, x_3, x_4);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6568_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6637_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; uint8_t x_3; lean_object* x_4; 
@@ -10527,6 +10649,10 @@ l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__4 = _init_l_Lean_
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__4);
 l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__5 = _init_l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__5();
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__5);
+l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1();
+lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__1);
+l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2 = _init_l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2();
+lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_orelse_parenthesizer___closed__2);
 l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__1);
 l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__2 = _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__2();
@@ -10535,10 +10661,6 @@ l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__3 = _ini
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__3);
 l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__4 = _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__4();
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizerForKindUnsafe___closed__4);
-l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1();
-lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__1);
-l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2 = _init_l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2();
-lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizeCategoryCore___closed__2);
 l_Lean_PrettyPrinter_Parenthesizer_categoryParser_parenthesizer___closed__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_categoryParser_parenthesizer___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_categoryParser_parenthesizer___closed__1);
 l_Lean_PrettyPrinter_Parenthesizer_term_parenthesizer___lambda__1___closed__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_term_parenthesizer___lambda__1___closed__1();
@@ -10649,7 +10771,7 @@ l_Lean_PrettyPrinter_Parenthesizer_interpolatedStr_parenthesizer___closed__1 = _
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_interpolatedStr_parenthesizer___closed__1);
 l_Lean_PrettyPrinter_Parenthesizer_interpolatedStr_parenthesizer___boxed__const__1 = _init_l_Lean_PrettyPrinter_Parenthesizer_interpolatedStr_parenthesizer___boxed__const__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_interpolatedStr_parenthesizer___boxed__const__1);
-if (builtin) {res = l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_5957_(lean_io_mk_world());
+if (builtin) {res = l_Lean_PrettyPrinter_Parenthesizer_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6026_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_PrettyPrinter_Parenthesizer_parenthesizerAliasesRef = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_PrettyPrinter_Parenthesizer_parenthesizerAliasesRef);
@@ -10668,7 +10790,7 @@ l_Lean_PrettyPrinter_parenthesizeCommand___closed__1 = _init_l_Lean_PrettyPrinte
 lean_mark_persistent(l_Lean_PrettyPrinter_parenthesizeCommand___closed__1);
 l_Lean_PrettyPrinter_parenthesizeCommand___closed__2 = _init_l_Lean_PrettyPrinter_parenthesizeCommand___closed__2();
 lean_mark_persistent(l_Lean_PrettyPrinter_parenthesizeCommand___closed__2);
-res = l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6568_(lean_io_mk_world());
+res = l_Lean_PrettyPrinter_initFn____x40_Lean_PrettyPrinter_Parenthesizer___hyg_6637_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Server/Completion.c b/stage0/stdlib/Lean/Server/Completion.c
index 3e7e6622a5..4d2610e871 100644
--- a/stage0/stdlib/Lean/Server/Completion.c
+++ b/stage0/stdlib/Lean/Server/Completion.c
@@ -19,7 +19,6 @@ lean_object* l_String_csize(uint32_t);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_consumeImplicitPrefix(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Server_Completion_0__Lean_Server_Completion_idCompletionCore___spec__14(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_foldlMAux___at___private_Lean_Server_Completion_0__Lean_Server_Completion_idCompletionCore___spec__13___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
@@ -283,6 +282,7 @@ LEAN_EXPORT lean_object* l_Lean_PersistentArray_forInAux___at___private_Lean_Ser
 LEAN_EXPORT lean_object* l_Lean_Server_Completion_State_itemsMain___default;
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_dotCompletion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_tacticCompletion(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_isDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_addCompletionItem___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_isBlackListed___closed__1;
@@ -373,7 +373,6 @@ lean_object* l_Lean_KVMap_findCore(lean_object*, lean_object*);
 lean_object* l_Lean_mkTagDeclarationExtension(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_allM___at___private_Lean_Server_Completion_0__Lean_Server_Completion_getCompletionKindForDecl___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PersistentHashMap_foldlM___at___private_Lean_Server_Completion_0__Lean_Server_Completion_idCompletionCore___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Completion_0__Lean_Server_Completion_fieldIdCompletion___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_fieldIdCompletion___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_idCompletionCore_searchAlias(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -960,94 +959,6 @@ return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_8, 1);
-lean_inc(x_10);
-lean_dec(x_8);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_11 = l_Lean_Meta_isExprDefEq(x_2, x_1, x_3, x_4, x_5, x_6, x_10);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_13);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_14, 0);
-lean_dec(x_16);
-lean_ctor_set(x_14, 0, x_12);
-return x_14;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_14, 1);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_12);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_19 = lean_ctor_get(x_11, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_11, 1);
-lean_inc(x_20);
-lean_dec(x_11);
-x_21 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_20);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_9);
-x_22 = !lean_is_exclusive(x_21);
-if (x_22 == 0)
-{
-lean_object* x_23; 
-x_23 = lean_ctor_get(x_21, 0);
-lean_dec(x_23);
-lean_ctor_set_tag(x_21, 1);
-lean_ctor_set(x_21, 0, x_19);
-return x_21;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_21, 1);
-lean_inc(x_24);
-lean_dec(x_21);
-x_25 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_25, 0, x_19);
-lean_ctor_set(x_25, 1, x_24);
-return x_25;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -1070,27 +981,27 @@ lean_inc(x_14);
 x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
-x_16 = lean_ctor_get(x_5, 0);
+x_16 = lean_ctor_get(x_13, 1);
 lean_inc(x_16);
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
 lean_dec(x_13);
-x_18 = lean_ctor_get(x_15, 1);
-lean_inc(x_18);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
 lean_dec(x_15);
+x_18 = lean_alloc_closure((void*)(l_Lean_Meta_isDefEq), 7, 2);
+lean_closure_set(x_18, 0, x_17);
+lean_closure_set(x_18, 1, x_2);
 x_19 = !lean_is_exclusive(x_5);
 if (x_19 == 0)
 {
 lean_object* x_20; uint8_t x_21; 
 x_20 = lean_ctor_get(x_5, 0);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_16);
+x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
 uint8_t x_22; lean_object* x_23; 
 x_22 = 2;
-lean_ctor_set_uint8(x_16, 5, x_22);
-x_23 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__2(x_2, x_18, x_5, x_6, x_7, x_8, x_17);
+lean_ctor_set_uint8(x_20, 5, x_22);
+x_23 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1(x_18, x_5, x_6, x_7, x_8, x_16);
 if (lean_obj_tag(x_23) == 0)
 {
 uint8_t x_24; 
@@ -1150,20 +1061,20 @@ return x_36;
 else
 {
 uint8_t x_37; uint8_t x_38; uint8_t x_39; uint8_t x_40; uint8_t x_41; uint8_t x_42; uint8_t x_43; uint8_t x_44; uint8_t x_45; uint8_t x_46; uint8_t x_47; uint8_t x_48; uint8_t x_49; uint8_t x_50; lean_object* x_51; lean_object* x_52; 
-x_37 = lean_ctor_get_uint8(x_16, 0);
-x_38 = lean_ctor_get_uint8(x_16, 1);
-x_39 = lean_ctor_get_uint8(x_16, 2);
-x_40 = lean_ctor_get_uint8(x_16, 3);
-x_41 = lean_ctor_get_uint8(x_16, 4);
-x_42 = lean_ctor_get_uint8(x_16, 6);
-x_43 = lean_ctor_get_uint8(x_16, 7);
-x_44 = lean_ctor_get_uint8(x_16, 8);
-x_45 = lean_ctor_get_uint8(x_16, 9);
-x_46 = lean_ctor_get_uint8(x_16, 10);
-x_47 = lean_ctor_get_uint8(x_16, 11);
-x_48 = lean_ctor_get_uint8(x_16, 12);
-x_49 = lean_ctor_get_uint8(x_16, 13);
-lean_dec(x_16);
+x_37 = lean_ctor_get_uint8(x_20, 0);
+x_38 = lean_ctor_get_uint8(x_20, 1);
+x_39 = lean_ctor_get_uint8(x_20, 2);
+x_40 = lean_ctor_get_uint8(x_20, 3);
+x_41 = lean_ctor_get_uint8(x_20, 4);
+x_42 = lean_ctor_get_uint8(x_20, 6);
+x_43 = lean_ctor_get_uint8(x_20, 7);
+x_44 = lean_ctor_get_uint8(x_20, 8);
+x_45 = lean_ctor_get_uint8(x_20, 9);
+x_46 = lean_ctor_get_uint8(x_20, 10);
+x_47 = lean_ctor_get_uint8(x_20, 11);
+x_48 = lean_ctor_get_uint8(x_20, 12);
+x_49 = lean_ctor_get_uint8(x_20, 13);
+lean_dec(x_20);
 x_50 = 2;
 x_51 = lean_alloc_ctor(0, 0, 14);
 lean_ctor_set_uint8(x_51, 0, x_37);
@@ -1181,7 +1092,7 @@ lean_ctor_set_uint8(x_51, 11, x_47);
 lean_ctor_set_uint8(x_51, 12, x_48);
 lean_ctor_set_uint8(x_51, 13, x_49);
 lean_ctor_set(x_5, 0, x_51);
-x_52 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__2(x_2, x_18, x_5, x_6, x_7, x_8, x_17);
+x_52 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1(x_18, x_5, x_6, x_7, x_8, x_16);
 if (lean_obj_tag(x_52) == 0)
 {
 lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
@@ -1238,144 +1149,146 @@ return x_62;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; uint8_t x_69; uint8_t x_70; uint8_t x_71; uint8_t x_72; uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; lean_object* x_81; uint8_t x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_63 = lean_ctor_get(x_5, 1);
-x_64 = lean_ctor_get(x_5, 2);
-x_65 = lean_ctor_get(x_5, 3);
-x_66 = lean_ctor_get(x_5, 4);
-x_67 = lean_ctor_get(x_5, 5);
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; uint8_t x_70; uint8_t x_71; uint8_t x_72; uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; uint8_t x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+x_63 = lean_ctor_get(x_5, 0);
+x_64 = lean_ctor_get(x_5, 1);
+x_65 = lean_ctor_get(x_5, 2);
+x_66 = lean_ctor_get(x_5, 3);
+x_67 = lean_ctor_get(x_5, 4);
+x_68 = lean_ctor_get(x_5, 5);
+lean_inc(x_68);
 lean_inc(x_67);
 lean_inc(x_66);
 lean_inc(x_65);
 lean_inc(x_64);
 lean_inc(x_63);
 lean_dec(x_5);
-x_68 = lean_ctor_get_uint8(x_16, 0);
-x_69 = lean_ctor_get_uint8(x_16, 1);
-x_70 = lean_ctor_get_uint8(x_16, 2);
-x_71 = lean_ctor_get_uint8(x_16, 3);
-x_72 = lean_ctor_get_uint8(x_16, 4);
-x_73 = lean_ctor_get_uint8(x_16, 6);
-x_74 = lean_ctor_get_uint8(x_16, 7);
-x_75 = lean_ctor_get_uint8(x_16, 8);
-x_76 = lean_ctor_get_uint8(x_16, 9);
-x_77 = lean_ctor_get_uint8(x_16, 10);
-x_78 = lean_ctor_get_uint8(x_16, 11);
-x_79 = lean_ctor_get_uint8(x_16, 12);
-x_80 = lean_ctor_get_uint8(x_16, 13);
-if (lean_is_exclusive(x_16)) {
- x_81 = x_16;
+x_69 = lean_ctor_get_uint8(x_63, 0);
+x_70 = lean_ctor_get_uint8(x_63, 1);
+x_71 = lean_ctor_get_uint8(x_63, 2);
+x_72 = lean_ctor_get_uint8(x_63, 3);
+x_73 = lean_ctor_get_uint8(x_63, 4);
+x_74 = lean_ctor_get_uint8(x_63, 6);
+x_75 = lean_ctor_get_uint8(x_63, 7);
+x_76 = lean_ctor_get_uint8(x_63, 8);
+x_77 = lean_ctor_get_uint8(x_63, 9);
+x_78 = lean_ctor_get_uint8(x_63, 10);
+x_79 = lean_ctor_get_uint8(x_63, 11);
+x_80 = lean_ctor_get_uint8(x_63, 12);
+x_81 = lean_ctor_get_uint8(x_63, 13);
+if (lean_is_exclusive(x_63)) {
+ x_82 = x_63;
 } else {
- lean_dec_ref(x_16);
- x_81 = lean_box(0);
+ lean_dec_ref(x_63);
+ x_82 = lean_box(0);
 }
-x_82 = 2;
-if (lean_is_scalar(x_81)) {
- x_83 = lean_alloc_ctor(0, 0, 14);
+x_83 = 2;
+if (lean_is_scalar(x_82)) {
+ x_84 = lean_alloc_ctor(0, 0, 14);
 } else {
- x_83 = x_81;
+ x_84 = x_82;
 }
-lean_ctor_set_uint8(x_83, 0, x_68);
-lean_ctor_set_uint8(x_83, 1, x_69);
-lean_ctor_set_uint8(x_83, 2, x_70);
-lean_ctor_set_uint8(x_83, 3, x_71);
-lean_ctor_set_uint8(x_83, 4, x_72);
-lean_ctor_set_uint8(x_83, 5, x_82);
-lean_ctor_set_uint8(x_83, 6, x_73);
-lean_ctor_set_uint8(x_83, 7, x_74);
-lean_ctor_set_uint8(x_83, 8, x_75);
-lean_ctor_set_uint8(x_83, 9, x_76);
-lean_ctor_set_uint8(x_83, 10, x_77);
-lean_ctor_set_uint8(x_83, 11, x_78);
-lean_ctor_set_uint8(x_83, 12, x_79);
-lean_ctor_set_uint8(x_83, 13, x_80);
-x_84 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_63);
-lean_ctor_set(x_84, 2, x_64);
-lean_ctor_set(x_84, 3, x_65);
-lean_ctor_set(x_84, 4, x_66);
-lean_ctor_set(x_84, 5, x_67);
-x_85 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__2(x_2, x_18, x_84, x_6, x_7, x_8, x_17);
-if (lean_obj_tag(x_85) == 0)
+lean_ctor_set_uint8(x_84, 0, x_69);
+lean_ctor_set_uint8(x_84, 1, x_70);
+lean_ctor_set_uint8(x_84, 2, x_71);
+lean_ctor_set_uint8(x_84, 3, x_72);
+lean_ctor_set_uint8(x_84, 4, x_73);
+lean_ctor_set_uint8(x_84, 5, x_83);
+lean_ctor_set_uint8(x_84, 6, x_74);
+lean_ctor_set_uint8(x_84, 7, x_75);
+lean_ctor_set_uint8(x_84, 8, x_76);
+lean_ctor_set_uint8(x_84, 9, x_77);
+lean_ctor_set_uint8(x_84, 10, x_78);
+lean_ctor_set_uint8(x_84, 11, x_79);
+lean_ctor_set_uint8(x_84, 12, x_80);
+lean_ctor_set_uint8(x_84, 13, x_81);
+x_85 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_64);
+lean_ctor_set(x_85, 2, x_65);
+lean_ctor_set(x_85, 3, x_66);
+lean_ctor_set(x_85, 4, x_67);
+lean_ctor_set(x_85, 5, x_68);
+x_86 = l_Lean_withoutModifyingState___at___private_Lean_Server_Completion_0__Lean_Server_Completion_isTypeApplicable___spec__1(x_18, x_85, x_6, x_7, x_8, x_16);
+if (lean_obj_tag(x_86) == 0)
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_86 = lean_ctor_get(x_85, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_85, 1);
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_87 = lean_ctor_get(x_86, 0);
 lean_inc(x_87);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_88 = x_85;
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+if (lean_is_exclusive(x_86)) {
+ lean_ctor_release(x_86, 0);
+ lean_ctor_release(x_86, 1);
+ x_89 = x_86;
 } else {
- lean_dec_ref(x_85);
- x_88 = lean_box(0);
+ lean_dec_ref(x_86);
+ x_89 = lean_box(0);
 }
-x_89 = lean_box(0);
-x_90 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_90, 0, x_86);
-lean_ctor_set(x_90, 1, x_89);
-if (lean_is_scalar(x_88)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
+x_90 = lean_box(0);
+x_91 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_91, 0, x_87);
+lean_ctor_set(x_91, 1, x_90);
+if (lean_is_scalar(x_89)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_91 = x_88;
+ x_92 = x_89;
 }
-lean_ctor_set(x_91, 0, x_90);
-lean_ctor_set(x_91, 1, x_87);
-return x_91;
+lean_ctor_set(x_92, 0, x_91);
+lean_ctor_set(x_92, 1, x_88);
+return x_92;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_85, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_85, 1);
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_93 = lean_ctor_get(x_86, 0);
 lean_inc(x_93);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_94 = x_85;
+x_94 = lean_ctor_get(x_86, 1);
+lean_inc(x_94);
+if (lean_is_exclusive(x_86)) {
+ lean_ctor_release(x_86, 0);
+ lean_ctor_release(x_86, 1);
+ x_95 = x_86;
 } else {
- lean_dec_ref(x_85);
- x_94 = lean_box(0);
+ lean_dec_ref(x_86);
+ x_95 = lean_box(0);
 }
-if (lean_is_scalar(x_94)) {
- x_95 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_95)) {
+ x_96 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_95 = x_94;
+ x_96 = x_95;
 }
-lean_ctor_set(x_95, 0, x_92);
-lean_ctor_set(x_95, 1, x_93);
-return x_95;
+lean_ctor_set(x_96, 0, x_93);
+lean_ctor_set(x_96, 1, x_94);
+return x_96;
 }
 }
 }
 else
 {
-uint8_t x_96; 
+uint8_t x_97; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
-x_96 = !lean_is_exclusive(x_13);
-if (x_96 == 0)
+x_97 = !lean_is_exclusive(x_13);
+if (x_97 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_97 = lean_ctor_get(x_13, 0);
-x_98 = lean_ctor_get(x_13, 1);
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_13, 0);
+x_99 = lean_ctor_get(x_13, 1);
+lean_inc(x_99);
 lean_inc(x_98);
-lean_inc(x_97);
 lean_dec(x_13);
-x_99 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_99, 0, x_97);
-lean_ctor_set(x_99, 1, x_98);
-return x_99;
+x_100 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_100, 0, x_98);
+lean_ctor_set(x_100, 1, x_99);
+return x_100;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Util/MonadBacktrack.c b/stage0/stdlib/Lean/Util/MonadBacktrack.c
index ea8b4fd2a3..7c19ef7873 100644
--- a/stage0/stdlib/Lean/Util/MonadBacktrack.c
+++ b/stage0/stdlib/Lean/Util/MonadBacktrack.c
@@ -15,46 +15,62 @@ extern "C" {
 #endif
 LEAN_EXPORT lean_object* l_Lean_commitIfNoEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_withoutModifyingState___rarg___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__6(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitIfNoEx___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instMonadBacktrackExceptT___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instMonadBacktrackExceptT___rarg___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instMonadBacktrackExceptT(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instMonadBacktrackExceptT___rarg___closed__1;
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__2(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_observing_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_observing_x3f___rarg___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_commitIfNoEx(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__2___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg___lambda__2(lean_object*);
+static lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instMonadBacktrackExceptT___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___rarg___lambda__2___boxed(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__4(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* _init_l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = lean_box(0);
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -65,7 +81,7 @@ lean_dec(x_1);
 x_4 = lean_ctor_get(x_3, 1);
 lean_inc(x_4);
 lean_dec(x_3);
-x_5 = lean_box(0);
+x_5 = l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1;
 x_6 = lean_apply_2(x_4, lean_box(0), x_5);
 return x_6;
 }
@@ -94,58 +110,72 @@ lean_dec(x_1);
 x_10 = !lean_is_exclusive(x_5);
 if (x_10 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+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_3, 0);
 lean_inc(x_11);
 lean_dec(x_3);
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_apply_2(x_12, lean_box(0), x_5);
-return x_13;
+x_13 = lean_box(0);
+x_14 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_14, 0, x_5);
+lean_ctor_set(x_14, 1, x_13);
+x_15 = lean_apply_2(x_12, lean_box(0), x_14);
+return x_15;
 }
 else
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_5, 0);
-lean_inc(x_14);
-lean_dec(x_5);
-x_15 = lean_ctor_get(x_3, 0);
-lean_inc(x_15);
-lean_dec(x_3);
-x_16 = lean_ctor_get(x_15, 1);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_5, 0);
 lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_17, 0, x_14);
-x_18 = lean_apply_2(x_16, lean_box(0), x_17);
-return x_18;
+lean_dec(x_5);
+x_17 = lean_ctor_get(x_3, 0);
+lean_inc(x_17);
+lean_dec(x_3);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+lean_dec(x_17);
+x_19 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_19, 0, x_16);
+x_20 = lean_box(0);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+x_22 = lean_apply_2(x_18, lean_box(0), x_21);
+return x_22;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; 
-x_4 = lean_ctor_get(x_1, 0);
-lean_inc(x_4);
+lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_3 = lean_ctor_get(x_1, 0);
+lean_inc(x_3);
 lean_dec(x_1);
-x_5 = lean_apply_2(x_4, lean_box(0), x_2);
-return x_5;
+x_4 = lean_ctor_get(x_3, 1);
+lean_inc(x_4);
+lean_dec(x_3);
+x_5 = lean_box(0);
+x_6 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_6, 0, x_2);
+lean_ctor_set(x_6, 1, x_5);
+x_7 = lean_apply_2(x_4, lean_box(0), x_6);
+return x_7;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_6 = lean_ctor_get(x_1, 1);
+x_6 = lean_ctor_get(x_1, 0);
 lean_inc(x_6);
 lean_dec(x_1);
-x_7 = lean_apply_1(x_6, x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__3___boxed), 3, 2);
+x_7 = lean_apply_2(x_6, lean_box(0), x_2);
+x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__3), 2, 1);
 lean_closure_set(x_8, 0, x_3);
-lean_closure_set(x_8, 1, x_5);
 x_9 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_7, x_8);
 return x_9;
 }
@@ -153,10 +183,46 @@ return x_9;
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_7 = lean_ctor_get(x_1, 1);
+lean_inc(x_7);
+lean_dec(x_1);
+x_8 = lean_apply_1(x_7, x_2);
+lean_inc(x_5);
+x_9 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__4___boxed), 5, 4);
+lean_closure_set(x_9, 0, x_3);
+lean_closure_set(x_9, 1, x_6);
+lean_closure_set(x_9, 2, x_4);
+lean_closure_set(x_9, 3, x_5);
+x_10 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_8, x_9);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__6(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+lean_dec(x_2);
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_ctor_get(x_4, 1);
+lean_inc(x_5);
+lean_dec(x_4);
+x_6 = lean_apply_2(x_5, lean_box(0), x_3);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
 lean_inc(x_4);
+lean_inc(x_3);
 lean_inc(x_6);
 lean_inc(x_2);
 x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__2), 5, 4);
@@ -166,13 +232,19 @@ lean_closure_set(x_8, 2, x_3);
 lean_closure_set(x_8, 3, x_4);
 lean_inc(x_4);
 x_9 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__4), 5, 4);
+lean_inc(x_4);
+lean_inc(x_3);
+x_10 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__5), 6, 5);
 lean_closure_set(x_10, 0, x_2);
 lean_closure_set(x_10, 1, x_6);
 lean_closure_set(x_10, 2, x_1);
-lean_closure_set(x_10, 3, x_4);
+lean_closure_set(x_10, 3, x_3);
+lean_closure_set(x_10, 4, x_4);
 x_11 = lean_apply_3(x_7, lean_box(0), x_9, x_10);
-return x_11;
+x_12 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__6), 2, 1);
+lean_closure_set(x_12, 0, x_3);
+x_13 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_11, x_12);
+return x_13;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
@@ -184,7 +256,7 @@ lean_inc(x_5);
 x_6 = lean_ctor_get(x_2, 0);
 lean_inc(x_6);
 lean_inc(x_5);
-x_7 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__5), 6, 5);
+x_7 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__7), 6, 5);
 lean_closure_set(x_7, 0, x_3);
 lean_closure_set(x_7, 1, x_2);
 lean_closure_set(x_7, 2, x_1);
@@ -211,13 +283,46 @@ lean_dec(x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-lean_object* x_4; 
-x_4 = l_Lean_commitWhenSome_x3f___rarg___lambda__3(x_1, x_2, x_3);
-lean_dec(x_3);
-return x_4;
+lean_object* x_6; 
+x_6 = l_Lean_commitWhenSome_x3f___rarg___lambda__4(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_5);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_5 = lean_ctor_get(x_1, 1);
+lean_inc(x_5);
+x_6 = lean_ctor_get(x_3, 1);
+lean_inc(x_6);
+lean_inc(x_1);
+x_7 = l_Lean_commitWhenSome_x3f___rarg(x_1, x_2, x_3, x_4);
+lean_inc(x_1);
+x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__3), 2, 1);
+lean_closure_set(x_8, 0, x_1);
+lean_inc(x_5);
+x_9 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_7, x_8);
+lean_inc(x_1);
+x_10 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_10, 0, x_1);
+x_11 = lean_apply_3(x_6, lean_box(0), x_9, x_10);
+x_12 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__6), 2, 1);
+lean_closure_set(x_12, 0, x_1);
+x_13 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_11, x_12);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhenSomeNoEx_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = lean_alloc_closure((void*)(l_Lean_commitWhenSomeNoEx_x3f___rarg), 4, 0);
+return x_5;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
@@ -270,7 +375,33 @@ return x_14;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; lean_object* x_5; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_apply_2(x_4, lean_box(0), x_2);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_6 = lean_ctor_get(x_1, 1);
+lean_inc(x_6);
+lean_dec(x_1);
+x_7 = lean_apply_1(x_6, x_2);
+x_8 = lean_alloc_closure((void*)(l_Lean_commitWhen___rarg___lambda__3___boxed), 3, 2);
+lean_closure_set(x_8, 0, x_3);
+lean_closure_set(x_8, 1, x_5);
+x_9 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_7, x_8);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
@@ -286,7 +417,7 @@ lean_closure_set(x_8, 2, x_3);
 lean_closure_set(x_8, 3, x_4);
 lean_inc(x_4);
 x_9 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__4), 5, 4);
+x_10 = lean_alloc_closure((void*)(l_Lean_commitWhen___rarg___lambda__4), 5, 4);
 lean_closure_set(x_10, 0, x_2);
 lean_closure_set(x_10, 1, x_6);
 lean_closure_set(x_10, 2, x_1);
@@ -304,7 +435,7 @@ lean_inc(x_5);
 x_6 = lean_ctor_get(x_2, 0);
 lean_inc(x_6);
 lean_inc(x_5);
-x_7 = lean_alloc_closure((void*)(l_Lean_commitWhen___rarg___lambda__3), 6, 5);
+x_7 = lean_alloc_closure((void*)(l_Lean_commitWhen___rarg___lambda__5), 6, 5);
 lean_closure_set(x_7, 0, x_3);
 lean_closure_set(x_7, 1, x_2);
 lean_closure_set(x_7, 2, x_1);
@@ -341,13 +472,22 @@ x_7 = l_Lean_commitWhen___rarg___lambda__2(x_1, x_2, x_3, x_4, x_6);
 return x_7;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_commitWhen___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_commitWhen___rarg___lambda__3(x_1, x_2, x_3);
+lean_dec(x_3);
+return x_4;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_commitIfNoEx___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_ctor_get(x_1, 1);
 lean_inc(x_6);
-x_7 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__4), 5, 4);
+x_7 = lean_alloc_closure((void*)(l_Lean_commitWhen___rarg___lambda__4), 5, 4);
 lean_closure_set(x_7, 0, x_2);
 lean_closure_set(x_7, 1, x_5);
 lean_closure_set(x_7, 2, x_1);
@@ -476,52 +616,7 @@ lean_dec(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_3 = lean_ctor_get(x_1, 0);
-lean_inc(x_3);
-lean_dec(x_1);
-x_4 = lean_ctor_get(x_3, 1);
-lean_inc(x_4);
-lean_dec(x_3);
-x_5 = lean_box(0);
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_2);
-lean_ctor_set(x_6, 1, x_5);
-x_7 = lean_apply_2(x_4, lean_box(0), x_6);
-return x_7;
-}
-}
-static lean_object* _init_l_Lean_observing_x3f___rarg___lambda__2___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = lean_box(0);
-x_3 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__2(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_3 = lean_ctor_get(x_1, 0);
-lean_inc(x_3);
-lean_dec(x_1);
-x_4 = lean_ctor_get(x_3, 1);
-lean_inc(x_4);
-lean_dec(x_3);
-x_5 = l_Lean_observing_x3f___rarg___lambda__2___closed__1;
-x_6 = lean_apply_2(x_4, lean_box(0), x_5);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
@@ -529,13 +624,13 @@ x_6 = lean_ctor_get(x_1, 1);
 lean_inc(x_6);
 lean_dec(x_1);
 x_7 = lean_apply_1(x_6, x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__2___boxed), 2, 1);
+x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_8, 0, x_3);
 x_9 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_7, x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__4(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -572,7 +667,7 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -580,19 +675,19 @@ x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
 lean_dec(x_1);
 lean_inc(x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__1), 2, 1);
+x_8 = lean_alloc_closure((void*)(l_Lean_commitWhenSome_x3f___rarg___lambda__3), 2, 1);
 lean_closure_set(x_8, 0, x_2);
 lean_inc(x_3);
 x_9 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_4, x_8);
 lean_inc(x_3);
 lean_inc(x_2);
-x_10 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__3___boxed), 5, 4);
+x_10 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__1___boxed), 5, 4);
 lean_closure_set(x_10, 0, x_5);
 lean_closure_set(x_10, 1, x_6);
 lean_closure_set(x_10, 2, x_2);
 lean_closure_set(x_10, 3, x_3);
 x_11 = lean_apply_3(x_7, lean_box(0), x_9, x_10);
-x_12 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__4), 2, 1);
+x_12 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__2), 2, 1);
 lean_closure_set(x_12, 0, x_2);
 x_13 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_11, x_12);
 return x_13;
@@ -607,7 +702,7 @@ lean_inc(x_5);
 x_6 = lean_ctor_get(x_2, 0);
 lean_inc(x_6);
 lean_inc(x_5);
-x_7 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__5), 6, 5);
+x_7 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg___lambda__3), 6, 5);
 lean_closure_set(x_7, 0, x_3);
 lean_closure_set(x_7, 1, x_1);
 lean_closure_set(x_7, 2, x_5);
@@ -625,20 +720,11 @@ x_5 = lean_alloc_closure((void*)(l_Lean_observing_x3f___rarg), 4, 0);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_observing_x3f___rarg___lambda__2(x_1, x_2);
-lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_observing_x3f___rarg___lambda__3(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_observing_x3f___rarg___lambda__1(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_5);
 return x_6;
 }
@@ -717,10 +803,10 @@ _G_initialized = true;
 res = initialize_Init(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
+l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1 = _init_l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_commitWhenSome_x3f___rarg___lambda__1___closed__1);
 l_Lean_withoutModifyingState___rarg___lambda__3___closed__1 = _init_l_Lean_withoutModifyingState___rarg___lambda__3___closed__1();
 lean_mark_persistent(l_Lean_withoutModifyingState___rarg___lambda__3___closed__1);
-l_Lean_observing_x3f___rarg___lambda__2___closed__1 = _init_l_Lean_observing_x3f___rarg___lambda__2___closed__1();
-lean_mark_persistent(l_Lean_observing_x3f___rarg___lambda__2___closed__1);
 l_Lean_instMonadBacktrackExceptT___rarg___closed__1 = _init_l_Lean_instMonadBacktrackExceptT___rarg___closed__1();
 lean_mark_persistent(l_Lean_instMonadBacktrackExceptT___rarg___closed__1);
 return lean_io_result_mk_ok(lean_box(0));