chore: update stage0

stage0/src/Lean/Elab/App.lean

@@ -83,22 +83,36 @@ def synthesizeAppInstMVars (instMVars : Array MVarId) (app : Expr) : TermElabM U
 
 namespace ElabAppArgs
 
+structure Context where
+  /--
+   `true` if `..` was used
+  -/
+  ellipsis      : Bool  --
+  /--
+   `true` if `@` modifier was used
+  -/
+  explicit      : Bool
+  /--
+    `true` if we should add a "coercion placeholder" at the result if its type is an `outParam` of some local instance.
+    We also mark the type variable as a `syntheticOpaque
+  -/
+  coeAtOutParam : Bool
+
 /- Auxiliary structure for elaborating the application `f args namedArgs`. -/
 structure State where
-  explicit          : Bool -- true if `@` modifier was used
-  f                 : Expr
-  fType             : Expr
-  args              : List Arg            -- remaining regular arguments
-  namedArgs         : List NamedArg       -- remaining named arguments to be processed
-  ellipsis          : Bool := false
-  expectedType?     : Option Expr
-  etaArgs           : Array Expr   := #[]
-  toSetErrorCtx     : Array MVarId := #[] -- metavariables that we need the set the error context using the application being built
-  instMVars         : Array MVarId := #[] -- metavariables for the instance implicit arguments that have already been processed
+  f                    : Expr
+  fType                : Expr
+  args                 : List Arg            -- remaining regular arguments
+  namedArgs            : List NamedArg       -- remaining named arguments to be processed
+  expectedType?        : Option Expr
+  etaArgs              : Array Expr   := #[]
+  toSetErrorCtx        : Array MVarId := #[] -- metavariables that we need the set the error context using the application being built
+  instMVars            : Array MVarId := #[] -- metavariables for the instance implicit arguments that have already been processed
   -- The following field is used to implement the `propagateExpectedType` heuristic.
-  propagateExpected : Bool  -- true when expectedType has not been propagated yet
+  propagateExpected    : Bool  -- true when expectedType has not been propagated yet
+  resultTypeOutParam?  : Option MVarId := none
 
-abbrev M := StateRefT State TermElabM
+abbrev M := ReaderT Context (StateRefT State TermElabM)
 
 /- Add the given metavariable to the collection of metavariables associated with instance-implicit arguments. -/
 private def addInstMVar (mvarId : MVarId) : M Unit :=
@@ -112,7 +126,7 @@ def synthesizeAppInstMVars : M Unit := do
   let s ← get
   let instMVars := s.instMVars
   modify fun s => { s with instMVars := #[] }
-  Lean.Elab.Term.synthesizeAppInstMVars instMVars s.f
+  Term.synthesizeAppInstMVars instMVars s.f
 
 /- fType may become a forallE after we synthesize pending metavariables. -/
 private def synthesizePendingAndNormalizeFunType : M Unit := do
@@ -294,7 +308,7 @@ private def propagateExpectedType (arg : Arg) : M Unit := do
         else
           let numRemainingArgs := s.args.length
           trace[Elab.app.propagateExpectedType] "etaArgs.size: {s.etaArgs.size}, numRemainingArgs: {numRemainingArgs}, fType: {s.fType}"
-          match getForallBody s.explicit numRemainingArgs s.namedArgs s.fType with
+          match getForallBody (← read).explicit numRemainingArgs s.namedArgs s.fType with
           | none           => pure ()
           | some fTypeBody =>
             unless fTypeBody.hasLooseBVars do
@@ -304,7 +318,6 @@ private def propagateExpectedType (arg : Arg) : M Unit := do
                   /- Note that we only set `propagateExpected := false` when propagation has succeeded. -/
                   modify fun s => { s with propagateExpected := false }
 
-
 /- This method execute after all application arguments have been processed. -/
 private def finalize : M Expr := do
   let s ← get
@@ -326,9 +339,31 @@ private def finalize : M Expr := do
   match s.expectedType? with
   | none              => pure ()
   | some expectedType =>
-     trace[Elab.app.finalize] "expected type: {expectedType}"
-     -- Try to propagate expected type. Ignore if types are not definitionally equal, caller must handle it.
-     discard <| isDefEq expectedType eType
+    let shouldCreateCoe ← do
+      /- Recall that `resultTypeOutParam? = some mvarId` if the function result type is the output parameter
+         of a local instance. The value of this parameter may be inferable using other arguments. For example,
+         suppose we have
+         ```lean
+         def add_one {X} [Trait X] [One (Trait.R X)] [HAdd X (Trait.R X) X] (x : X) : X := x + (One.one : (Trait.R X))
+         ```
+         from test `948.lean`. There are multiple ways to infer `X`, and we don't want to mark it as `syntheticOpaque`.
+      -/
+      if let some outParamMVarId := s.resultTypeOutParam? then
+        /- If `eType != mkMVar outParamMVarId`, then the
+           function is partially applied, and we do not create coercion placeholder. -/
+        if !(← isExprMVarAssigned outParamMVarId) && eType.isMVar && eType.mvarId! == outParamMVarId then
+          setMVarKind outParamMVarId .syntheticOpaque
+          pure true
+        else
+          pure false
+      else
+        pure false
+    if shouldCreateCoe then
+      e ← mkCoe expectedType eType e
+    else
+      -- Try to propagate expected type. Ignore if types are not definitionally equal, caller must handle it.
+      trace[Elab.app.finalize] "expected type: {expectedType}"
+      discard <| isDefEq expectedType eType
   synthesizeAppInstMVars
   return e
 
@@ -353,12 +388,82 @@ private def hasArgsToProcess : M Bool := do
   let s ← get
   return !s.args.isEmpty || !s.namedArgs.isEmpty
 
-/- Return true if the next argument at `args` is of the form `_` -/
+/- Return `true` if the next argument at `args` is of the form `_` -/
 private def isNextArgHole : M Bool := do
   match (← get).args with
   | Arg.stx (Syntax.node _ ``Lean.Parser.Term.hole _) :: _ => pure true
   | _ => pure false
 
+/--
+  Return `true` if the next argument to be processed is the outparam of a local instance, and it the result type
+  of the function.
+
+  For example, suppose we have the class
+  ```lean
+  class Get (Cont : Type u) (Idx : Type v) (Elem : outParam (Type w)) where
+    get (xs : Cont) (i : Idx) : Elem
+  ```
+  And the current value of `fType` is
+  ```
+  {Cont : Type u_1} → {Idx : Type u_2} → {Elem : Type u_3} → [self : Get Cont Idx Elem] → Cont → Idx → Elem
+  ```
+  then the result returned by this method is `false` since `Cont` is not the output param of any local instance.
+  Now assume `fType` is
+  ```
+  {Elem : Type u_3} → [self : Get Cont Idx Elem] → Cont → Idx → Elem
+  ```
+  then, the method returns `true` because `Elem` is an output parameter for the local instance `[self : Get Cont Idx Elem]`.
+
+  Remark: if `coeAtOutParam` is `false`, this method returns `false`.
+-/
+private partial def isNextOutParamOfLocalInstanceAndResult : M Bool := do
+  if !(← read).coeAtOutParam then
+    return false
+  let type := (← get).fType.bindingBody!
+  unless isResultType type 0 do
+    return false
+  if (← hasLocalInstaceWithOutParams type) then
+    let x := mkFVar (← mkFreshFVarId)
+    isOutParamOfLocalInstance x (type.instantiate1 x)
+  else
+    return false
+where
+  isResultType (type : Expr) (i : Nat) : Bool :=
+    match type with
+    | .forallE _ _ b _ => isResultType b (i + 1)
+    | .bvar idx _      => idx == i
+    | _                => false
+
+  /- (quick filter) Return true if `type` constains a binder `[C ...]` where `C` is a class containing outparams. -/
+  hasLocalInstaceWithOutParams (type : Expr) : CoreM Bool := do
+    let .forallE _ d b c := type | return false
+    if c.binderInfo.isInstImplicit then
+      if let .const declName .. := d.getAppFn then
+        if hasOutParams (← getEnv) declName then
+          return true
+    hasLocalInstaceWithOutParams b
+
+  isOutParamOfLocalInstance (x : Expr) (type : Expr) : MetaM Bool := do
+    let .forallE _ d b c := type | return false
+    if c.binderInfo.isInstImplicit then
+      if let .const declName .. := d.getAppFn then
+        if hasOutParams (← getEnv) declName then
+          let cType ← inferType d.getAppFn
+          if (← isOutParamOf x 0 d.getAppArgs cType) then
+            return true
+    isOutParamOfLocalInstance x b
+
+  isOutParamOf (x : Expr) (i : Nat) (args : Array Expr) (cType : Expr) : MetaM Bool := do
+    if h : i < args.size then
+      match (← whnf cType) with
+      | .forallE _ d b _ =>
+        let arg := args.get ⟨i, h⟩
+        if arg == x && d.isOutParam then
+          return true
+        isOutParamOf x (i+1) args b
+      | _ => return false
+    else
+      return false
 
 mutual
   /-
@@ -374,7 +479,16 @@ mutual
 
   private partial def addImplicitArg (argName : Name) : M Expr := do
     let argType ← getArgExpectedType
-    let arg ← mkFreshExprMVar argType
+    let arg ← if (← isNextOutParamOfLocalInstanceAndResult) then
+      let arg ← mkFreshExprMVar argType
+      /- When the result type is an output parameter, we don't want to propagate the expected type.
+         So, we just mark `propagateExpected := false` to disable it.
+         At `finalize`, we check whether `arg` is still unassigned and promote it to a `syntheticOpaque`
+         to make sure it is not assigned but type inference until it is synthesized by type inference. -/
+      modify fun s => { s with resultTypeOutParam? := some arg.mvarId!, propagateExpected := false }
+      pure arg
+    else
+      mkFreshExprMVar argType
     modify fun s => { s with toSetErrorCtx := s.toSetErrorCtx.push arg.mvarId! }
     addNewArg argName arg
     main
@@ -383,8 +497,7 @@ mutual
     Process a `fType` of the form `(x : A) → B x`.
     This method assume `fType` is a function type -/
   private partial def processExplictArg (argName : Name) : M Expr := do
-    let s ← get
-    match s.args with
+    match (← get).args with
     | arg::args =>
       propagateExpectedType arg
       modify fun s => { s with args }
@@ -392,7 +505,7 @@ mutual
       main
     | _ =>
       let argType ← getArgExpectedType
-      match s.explicit, argType.getOptParamDefault?, argType.getAutoParamTactic? with
+      match (← read).explicit, argType.getOptParamDefault?, argType.getAutoParamTactic? with
       | false, some defVal, _  => addNewArg argName defVal; main
       | false, _, some (Expr.const tacticDecl _ _) =>
         let env ← getEnv
@@ -409,15 +522,15 @@ mutual
       | false, _, some _ =>
         throwError "invalid autoParam, argument must be a constant"
       | _, _, _ =>
-        if !s.namedArgs.isEmpty then
+        if !(← get).namedArgs.isEmpty then
           if (← anyNamedArgDependsOnCurrent) then
             addImplicitArg argName
           else
             addEtaArg argName
-        else if !s.explicit then
+        else if !(← read).explicit then
           if (← fTypeHasOptAutoParams) then
             addEtaArg argName
-          else if (← get).ellipsis then
+          else if (← read).ellipsis then
             addImplicitArg argName
           else
             finalize
@@ -428,7 +541,7 @@ mutual
     Process a `fType` of the form `{x : A} → B x`.
     This method assume `fType` is a function type -/
   private partial def processImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       processExplictArg argName
     else
       addImplicitArg argName
@@ -437,7 +550,7 @@ mutual
     Process a `fType` of the form `{{x : A}} → B x`.
     This method assume `fType` is a function type -/
   private partial def processStrictImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       processExplictArg argName
     else if (← hasArgsToProcess) then
       addImplicitArg argName
@@ -448,7 +561,7 @@ mutual
     Process a `fType` of the form `[x : A] → B x`.
     This method assume `fType` is a function type -/
   private partial def processInstImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       if (← isNextArgHole) then
         /- Recall that if '@' has been used, and the argument is '_', then we still use type class resolution -/
         let arg ← mkFreshExprMVar (← getArgExpectedType) MetavarKind.synthetic
@@ -499,16 +612,18 @@ private def propagateExpectedTypeFor (f : Expr) : TermElabM Bool :=
   | _ => return true
 
 def elabAppArgs (f : Expr) (namedArgs : Array NamedArg) (args : Array Arg)
-    (expectedType? : Option Expr) (explicit ellipsis : Bool) : TermElabM Expr := do
+    (expectedType? : Option Expr) (explicit ellipsis : Bool) (coeAtOutParam := true) : TermElabM Expr := do
+  -- Coercions must be available to use this flag.
+  -- If `@` is used (i.e., `explicit = true`), we disable `coeAtOutParam`.
+  let coeAtOutParam := ((← getEnv).contains ``Lean.Internal.coeM) && coeAtOutParam && !explicit
   let fType ← inferType f
   let fType ← instantiateMVars fType
   trace[Elab.app.args] "explicit: {explicit}, {f} : {fType}"
   unless namedArgs.isEmpty && args.isEmpty do
     tryPostponeIfMVar fType
-  ElabAppArgs.main.run' {
+  ElabAppArgs.main.run { explicit, ellipsis, coeAtOutParam } |>.run' {
     args := args.toList
-    expectedType? := expectedType?
-    explicit, ellipsis, f, fType
+    expectedType?, f, fType
     namedArgs := namedArgs.toList
     propagateExpected := (← propagateExpectedTypeFor f)
   }

stage0/src/Lean/Elab/BuiltinNotation.lean

@@ -304,7 +304,8 @@ See the Chapter "Quantifiers and Equality" in the manual "Theorem Proving in Lea
   let expectedType? ← tryPostponeIfHasMVars? expectedType?
   match stx with
   | `($heqStx ▸ $hStx) => do
-     let mut heq ← elabTerm heqStx none
+     synthesizeSyntheticMVars
+     let mut heq ← withSynthesize <| elabTerm heqStx none
      let heqType ← inferType heq
      let heqType ← instantiateMVars heqType
      match (← Meta.matchEq? heqType) with
@@ -322,7 +323,7 @@ See the Chapter "Quantifiers and Equality" in the manual "Theorem Proving in Lea
          unless expectedAbst.hasLooseBVars do
            expectedAbst ← kabstract expectedType lhs
            unless expectedAbst.hasLooseBVars do
-             throwError "invalid `▸` notation, expected result type of cast is {indentExpr expectedType}\n.However, the equality {indentExpr heq}\nof type {indentExpr heqType}\ndoes not contain the expected result type on either the left or the right hand side"
+             throwError "invalid `▸` notation, expected result type of cast is {indentExpr expectedType}\nhowever, the equality {indentExpr heq}\nof type {indentExpr heqType}\ndoes not contain the expected result type on either the left or the right hand side"
            heq ← mkEqSymm heq
            (lhs, rhs) := (rhs, lhs)
          let hExpectedType := expectedAbst.instantiate1 lhs

stage0/src/Lean/Elab/Do.lean

@@ -1385,11 +1385,13 @@ mutual
       let doForDecls := doForDecls.eraseIdx 1
       let body := doFor[3]
       withFreshMacroScope do
-        let toStreamFn ← withRef ys ``(toStream)
+        /- Recall that `@` (explicit) disables `coeAtOutParam`.
+           We used `@` at `Stream` functions to make sure `coeAtOutParam` is not used. -/
+        let toStreamApp ← withRef ys `(@toStream _ _ _ $ys)
         let auxDo ←
-          `(do let mut s := $toStreamFn:ident $ys
+          `(do let mut s := $toStreamApp:term
                for $doForDecls:doForDecl,* do
-                 match Stream.next? s with
+                 match @Stream.next? _ _ _ s with
                  | none => break
                  | some ($y, s') =>
                    s := s'

stage0/src/Lean/Elab/Extra.lean

@@ -40,7 +40,7 @@ private def throwForInFailure (forInInstance : Expr) : TermElabM Expr :=
         match (← trySynthInstance forInInstance) with
         | LOption.some _   =>
           let forInFn ← mkConst ``forIn
-          elabAppArgs forInFn #[] #[Arg.stx col, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false)
+          elabAppArgs forInFn #[] #[Arg.stx col, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
         | LOption.undef    => tryPostpone; throwForInFailure forInInstance
         | LOption.none     => throwForInFailure forInInstance
   | _ => throwUnsupportedSyntax
@@ -64,7 +64,7 @@ private def throwForInFailure (forInInstance : Expr) : TermElabM Expr :=
         match (← trySynthInstance forInInstance) with
         | LOption.some _   =>
           let forInFn ← mkConst ``forIn'
-          elabAppArgs forInFn #[] #[Arg.expr colFVar, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false)
+          elabAppArgs forInFn #[] #[Arg.expr colFVar, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
         | LOption.undef    => tryPostpone; throwForInFailure forInInstance
         | LOption.none     => throwForInFailure forInInstance
   | _ => throwUnsupportedSyntax
@@ -195,7 +195,7 @@ where
                  modify fun s => { s with hasUncomparable := true }
 
 private def mkOp (f : Expr) (lhs rhs : Expr) : TermElabM Expr :=
-  elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] (expectedType? := none) (explicit := false) (ellipsis := false)
+  elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] (expectedType? := none) (explicit := false) (ellipsis := false) (coeAtOutParam := false)
 
 private def toExpr (t : Tree) : TermElabM Expr := do
   match t with
@@ -325,7 +325,7 @@ def elabBinRelCore (noProp : Bool) (stx : Syntax) (expectedType? : Option Expr)
       let rhs ← toBoolIfNecessary rhs
       let lhsType ← inferType lhs
       let rhs ← ensureHasType lhsType rhs
-      elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] expectedType? (explicit := false) (ellipsis := false)
+      elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
     else
       let mut maxType := r.max?.get!
       /- If `noProp == true` and `maxType` is `Prop`, then set `maxType := Bool`. `See toBoolIfNecessary` -/

stage0/src/Lean/Elab/MutualDef.lean

@@ -796,6 +796,8 @@ where
             return preDef
           else
             return { preDef with value := (← eraseAuxDiscr preDef.value) }
+        for preDef in preDefs do
+          trace[Elab.definition] "after eraseAuxDiscr, {preDef.declName} : {preDef.type} :=\n{preDef.value}"
         checkForHiddenUnivLevels allUserLevelNames preDefs
         addPreDefinitions preDefs hints
         processDeriving headers

stage0/src/Lean/Elab/SyntheticMVars.lean

@@ -74,7 +74,10 @@ private def synthesizePendingCoeInstMVar
     (auxMVarId : MVarId) (errorMsgHeader? : Option String) (eNew : Expr) (expectedType : Expr) (eType : Expr) (e : Expr) (f? : Option Expr) : TermElabM Bool := do
   let instMVarId := eNew.appArg!.mvarId!
   withMVarContext instMVarId do
-    if (← isDefEq expectedType eType) then
+    let eType ← instantiateMVars eType
+    if (← isSyntheticMVar eType) then
+      return false
+    if (← withDefault <| isDefEq expectedType eType) then
       /- This case may seem counterintuitive since we created the coercion
          because the `isDefEq expectedType eType` test failed before.
          However, it may succeed here because we have more information, for example, metavariables
@@ -168,8 +171,13 @@ where
       let candidate ← mkConstWithFreshMVarLevels defaultInstance
       let (mvars, bis, _) ← forallMetaTelescopeReducing (← inferType candidate)
       let candidate := mkAppN candidate mvars
-      if (← isDefEqGuarded (mkMVar mvarId) candidate) then
+      trace[Elab.defaultInstance] "{toString (mkMVar mvarId)}, {mkMVar mvarId} : {← inferType (mkMVar mvarId)} =?= {candidate} : {← inferType candidate}"
+      /- The `coeAtOutParam` feature may mark output parameters of local instances as `syntheticOpaque`.
+         This kind of parameter is not assignable by default. We use `withAssignableSyntheticOpaque` to workaround this behavior
+         when processing default instances. TODO: try to avoid `withAssignableSyntheticOpaque`. -/
+      if (← withAssignableSyntheticOpaque <| isDefEqGuarded (mkMVar mvarId) candidate) then
         -- Succeeded. Collect new TC problems
+        trace[Elab.defaultInstance] "isDefEq worked {mkMVar mvarId} : {← inferType (mkMVar mvarId)} =?= {candidate} : {← inferType candidate}"
         let mut pending := []
         for i in [:bis.size] do
           if bis[i]! == BinderInfo.instImplicit then

stage0/src/Lean/Elab/Tactic/ElabTerm.lean

@@ -38,7 +38,7 @@ def elabTermEnsuringType (stx : Syntax) (expectedType? : Option Expr) (mayPostpo
     let eType ← inferType e
     -- We allow synthetic opaque metavars to be assigned in the following step since the `isDefEq` is not really
     -- part of the elaboration, but part of the tactic. See issue #492
-    unless (← withAssignableSyntheticOpaque do isDefEq eType expectedType) do
+    unless (← withAssignableSyntheticOpaque <| isDefEq eType expectedType) do
       Term.throwTypeMismatchError none expectedType eType e
     return e
 

stage0/src/Lean/Elab/Tactic/Induction.lean

@@ -127,7 +127,7 @@ partial def mkElimApp (elimInfo : ElimInfo) (targets : Array Expr) (tag : Name)
           throwError "insufficient number of targets for '{elimInfo.name}'"
         let target := ctx.targets[s.targetPos]!
         let expectedType ← getArgExpectedType
-        let target ← withConfig (fun cfg => { cfg with assignSyntheticOpaque := true }) do Term.ensureHasType expectedType target
+        let target ← withAssignableSyntheticOpaque <| Term.ensureHasType expectedType target
         modify fun s => { s with targetPos := s.targetPos + 1 }
         addNewArg target
       else match c.binderInfo with

stage0/src/Lean/Elab/Term.lean

@@ -691,7 +691,7 @@ partial def visit (e : Expr) : M Unit := do
         visit e'
       else
         match (← getDelayedMVarAssignment? mvarId) with
-        | some d => visit d.val
+        | some d => visit (mkMVar d.mvarIdPending)
         | none   => failure
     | _ => return ()
 
@@ -818,7 +818,7 @@ private def tryCoe (errorMsgHeader? : Option String) (expectedType : Expr) (eTyp
     return e
   else match (← tryCoeThunk? expectedType eType e) with
     | some r => return r
-    | none   => mkCoe expectedType eType e f? errorMsgHeader?
+    | none   => trace[Elab.coe] "adding coercion for {e} : {eType} =?= {expectedType}"; mkCoe expectedType eType e f? errorMsgHeader?
 
 /-- Return `some (m, α)` if `type` can be reduced to an application of the form `m α` using `[reducible]` transparency. -/
 def isTypeApp? (type : Expr) : TermElabM (Option (Expr × Expr)) := do

stage0/src/Lean/Meta/Basic.lean

@@ -496,6 +496,16 @@ def getMVarDecl (mvarId : MVarId) : MetaM MetavarDecl := do
   | some d => pure d
   | none   => throwError "unknown metavariable '?{mvarId.name}'"
 
+def getMVarDeclKind (mvarId : MVarId) : MetaM MetavarKind :=
+  return (← getMVarDecl mvarId).kind
+
+/-- Reture `true` if `e` is a synthetic (or synthetic opaque) metavariable -/
+def isSyntheticMVar (e : Expr) : MetaM Bool := do
+  if e.isMVar then
+     return (← getMVarDeclKind e.mvarId!) matches .synthetic | .syntheticOpaque
+  else
+     return false
+
 def setMVarKind (mvarId : MVarId) (kind : MetavarKind) : MetaM Unit :=
   modifyMCtx fun mctx => mctx.setMVarKind mvarId kind
 

stage0/src/Lean/Meta/CollectMVars.lean

@@ -26,7 +26,7 @@ partial def collectMVars (e : Expr) : StateRefT CollectMVars.State MetaM Unit :=
   for mvarId in s.result[resultSavedSize:] do
     match (← getDelayedMVarAssignment? mvarId) with
     | none   => pure ()
-    | some d => collectMVars d.val
+    | some d => collectMVars (mkMVar d.mvarIdPending)
 
 /-- Return metavariables in occuring the given expression. See `collectMVars` -/
 def getMVars (e : Expr) : MetaM (Array MVarId) := do

stage0/src/Lean/Meta/ExprDefEq.lean

@@ -1265,15 +1265,25 @@ private def isAssigned : Expr → MetaM Bool
   | Expr.mvar mvarId _ => isExprMVarAssigned mvarId
   | _                  => pure false
 
-private def isDelayedAssignedHead (tFn : Expr) (t : Expr) : MetaM Bool := do
-  match tFn with
-  | Expr.mvar mvarId _ =>
-    if (← isMVarDelayedAssigned mvarId) then
-      let tNew ← instantiateMVars t
-      return tNew != t
-    else
-      pure false
-  | _ => pure false
+private def expandDelayedAssigned? (t : Expr) : MetaM (Option Expr) := do
+  let tFn := t.getAppFn
+  if !tFn.isMVar then return none
+  let some { fvars, mvarIdPending } ← getDelayedMVarAssignment? tFn.mvarId! | return none
+  let tNew ← instantiateMVars t
+  if tNew != t then return some tNew
+  /-
+    If `assignSyntheticOpaque` is true, we must follow the delayed assignment.
+    Recall a delayed assignment `mvarId [xs] := mvarIdPending` is morally an assingment
+    `mvarId := fun xs => mvarIdPending` where `xs` are free variables in the scope of `mvarIdPending`,
+    but not in the scope of `mvarId`. We can only perform the abstraction when `mvarIdPending` has been fully synthesized.
+    That is, `instantiateMVars (mkMVar mvarIdPending)` does not contain any expression metavariables.
+    Here we just consume `fvar.size` arguments. That is, if `t` is of the form `mvarId as bs` where `as.size == fvars.size`,
+    we return `mvarIdPending bs`.
+   -/
+  unless (← getConfig).assignSyntheticOpaque do return none
+  let tArgs := t.getAppArgs
+  if tArgs.size < fvars.size then return none
+  return some (mkAppRange (mkMVar mvarIdPending) fvars.size tArgs.size tArgs)
 
 private def isSynthetic : Expr → MetaM Bool
   | Expr.mvar mvarId _ => do
@@ -1409,11 +1419,9 @@ private partial def isDefEqQuickOther (t s : Expr) : MetaM LBool := do
     else if (← isAssigned sFn) then
       let s ← instantiateMVars s
       isDefEqQuick t s
-    else if (← isDelayedAssignedHead tFn t) then
-      let t ← instantiateMVars t
+    else if let some t ← expandDelayedAssigned? t then
       isDefEqQuick t s
-    else if (← isDelayedAssignedHead sFn s) then
-      let s ← instantiateMVars s
+    else if let some s ← expandDelayedAssigned? s then
       isDefEqQuick t s
     /- Remark: we do not eagerly synthesize synthetic metavariables when the constraint is not stuck.
        Reason: we may fail to solve a constraint of the form `?x =?= A` when the synthesized instance

stage0/src/Lean/Meta/SynthInstance.lean

@@ -690,7 +690,10 @@ def synthInstance? (type : Expr) (maxResultSize? : Option Nat := none) : MetaM (
           let (_, _, result) ← openAbstractMVarsResult result
           trace[Meta.synthInstance] "result {result}"
           let resultType ← inferType result
-          if (← withDefault <| isDefEq type resultType) then
+          /- Output parameters of local instances may be marked as `syntheticOpaque` by the application-elaborator.
+             We use `withAssignableSyntheticOpaque` to make sure this kind of parameter can be assigned by the following `isDefEq`.
+             TODO: rewrite this check to avoid `withAssignableSyntheticOpaque`. -/
+          if (← withDefault <| withAssignableSyntheticOpaque <| isDefEq type resultType) then
             let result ← instantiateMVars result
             /- We use `check` to propogate universe constraints implied by the `result`.
                Recall that we use `ignoreLevelMVarDepth := true` which allows universe metavariables in the current depth to be assigned,

stage0/src/Lean/Meta/WHNF.lean

@@ -444,7 +444,7 @@ def reduceProj? (e : Expr) : MetaM (Option Expr) := do
   | Expr.proj _ i c _ => project? c i
   | _                 => return none
 
-/-
+/--
   Auxiliary method for reducing terms of the form `?m t_1 ... t_n` where `?m` is delayed assigned.
   Recall that we can only expand a delayed assignment when all holes/metavariables in the assigned value have been "filled".
 -/
@@ -452,13 +452,13 @@ private def whnfDelayedAssigned? (f' : Expr) (e : Expr) : MetaM (Option Expr) :=
   if f'.isMVar then
     match (← getDelayedMVarAssignment? f'.mvarId!) with
     | none => return none
-    | some { fvars := fvars, val := val, .. } =>
+    | some { fvars, mvarIdPending } =>
       let args := e.getAppArgs
       if fvars.size > args.size then
         -- Insufficient number of argument to expand delayed assignment
         return none
       else
-        let newVal ← instantiateMVars val
+        let newVal ← instantiateMVars (mkMVar mvarIdPending)
         if newVal.hasExprMVar then
            -- Delayed assignment still contains metavariables
            return none

stage0/src/Lean/MetavarContext.lean

@@ -260,13 +260,14 @@ structure MetavarDecl where
   deriving Inhabited
 
 /--
-  A delayed assignment for a metavariable `?m`. It represents an assignment of the form
-  `?m := (fun fvars => val)`. The local context `lctx` provides the declarations for `fvars`.
-  Note that `fvars` may not be defined in the local context for `?m`.
+  A delayed assignment for a metavariable `?m`. It represents an assignment of the form `?m := (fun fvars => (mkMVar mvarIdPending))`.
+  `mvarIdPending` is a `syntheticOpaque` metavariable that has not been synthesized yet. The delayed assignment becomes a real one
+  as soon as `mvarIdPending` has been fully synthesized.
+  `fvars` are variables in the `mvarIdPending` local context.
 -/
 structure DelayedMetavarAssignment where
-  fvars    : Array Expr
-  val      : Expr
+  fvars         : Array Expr
+  mvarIdPending : MVarId
 
 open Std (HashMap PersistentHashMap)
 
@@ -328,9 +329,7 @@ def getDelayedMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Opt
    If `mvarId₁` is not delayed assigned then return `mvarId₁` -/
 partial def getDelayedMVarRoot [Monad m] [MonadMCtx m] (mvarId : MVarId) : m MVarId := do
   match (← getDelayedMVarAssignment? mvarId) with
-  | some d => match d.val.getAppFn with
-    | Expr.mvar mvarId _ => getDelayedMVarRoot mvarId
-    | _                  => return mvarId
+  | some d => getDelayedMVarRoot d.mvarIdPending
   | none   => return mvarId
 
 def isLevelMVarAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
@@ -424,11 +423,8 @@ def assignLevelMVar [MonadMCtx m] (mvarId : MVarId) (val : Level) : m Unit :=
 def assignExprMVar [MonadMCtx m] (mvarId : MVarId) (val : Expr) : m Unit :=
   modifyMCtx fun m => { m with eAssignment := m.eAssignment.insert mvarId val, usedAssignment := true }
 
-def assignDelayedMVar [MonadMCtx m] (mvarId : MVarId) (fvars : Array Expr) (val : Expr) : m Unit :=
-  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, val }, usedAssignment := true }
-
-def eraseDelayedMVar [MonadMCtx m] (mvarId : MVarId) : m Unit :=
-  modifyMCtx fun m => { m with dAssignment := m.dAssignment.erase mvarId, usedAssignment := true }
+def assignDelayedMVar [MonadMCtx m] (mvarId : MVarId) (fvars : Array Expr) (mvarIdPending : MVarId) : m Unit :=
+  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, mvarIdPending }, usedAssignment := true }
 
 /-
 Notes on artificial eta-expanded terms due to metavariables.
@@ -491,7 +487,7 @@ partial def instantiateExprMVars [Monad m] [MonadMCtx m] [STWorld ω m] [MonadLi
       | Expr.mvar mvarId _ =>
         match (← getDelayedMVarAssignment? mvarId) with
         | none => instApp
-        | some { fvars, val, .. } =>
+        | some { fvars, mvarIdPending } =>
           /-
              Apply "delayed substitution" (i.e., delayed assignment + application).
              That is, `f` is some metavariable `?m`, that is delayed assigned to `val`.
@@ -505,7 +501,7 @@ partial def instantiateExprMVars [Monad m] [MonadMCtx m] [STWorld ω m] [MonadLi
                when we are checking for unassigned metavariables in an elaborated term. -/
             instArgs f
           else
-            let newVal ← instantiateExprMVars val
+            let newVal ← instantiateExprMVars (mkMVar mvarIdPending)
             if newVal.hasExprMVar then
               instArgs f
             else do
@@ -1023,43 +1019,37 @@ mutual
           That being said, we should try this approach as soon as we have an extensive test suite.
       -/
       let newMVarKind := if !(← isExprMVarAssignable mvarId) then MetavarKind.syntheticOpaque else mvarDecl.kind
-      /- If `mvarId` is the lhs of a delayed assignment `?m #[x_1, ... x_n] := val`,
-         then `nestedFVars` is `#[x_1, ..., x_n]`.
-         In this case, we produce a new `syntheticOpaque` metavariable `?n` and a delayed assignment
-         ```
-         ?n #[y_1, ..., y_m, x_1, ... x_n] := ?m x_1 ... x_n
-         ```
-         where `#[y_1, ..., y_m]` is `toRevert` after `collectForwardDeps`.
-
-         Remark: `newMVarKind != MetavarKind.syntheticOpaque ==> nestedFVars == #[]`
-      -/
-      let rec cont (nestedFVars : Array Expr) : M (Expr × Array Expr) := do
-        let args ← args.mapM (visit xs)
-        -- Note that `toRevert` only contains free variables since it is the result of `getInScope`
-        let toRevert ← collectForwardDeps mvarLCtx toRevert
-        let newMVarLCtx   := reduceLocalContext mvarLCtx toRevert
-        let newLocalInsts := mvarDecl.localInstances.filter fun inst => toRevert.all fun x => inst.fvar != x
-        -- Remark: we must reset the before processing `mkAuxMVarType` because `toRevert` may not be equal to `xs`
-        let newMVarType ← withFreshCache do mkAuxMVarType mvarLCtx toRevert newMVarKind mvarDecl.type
-        let newMVarId    := { name := (← get).ngen.curr }
-        let newMVar      := mkMVar newMVarId
-        let result       := mkMVarApp mvarLCtx newMVar toRevert newMVarKind
-        let numScopeArgs := mvarDecl.numScopeArgs + result.getAppNumArgs
-        modify fun s => { s with
-            mctx := s.mctx.addExprMVarDecl newMVarId Name.anonymous newMVarLCtx newLocalInsts newMVarType newMVarKind numScopeArgs,
-            ngen := s.ngen.next
-          }
-        match newMVarKind with
-        | MetavarKind.syntheticOpaque =>
-          assignDelayedMVar newMVarId (toRevert ++ nestedFVars) (mkAppN (mkMVar mvarId) nestedFVars)
-        | _                           =>
-          assignExprMVar mvarId result
-        return (mkAppN result args, toRevert)
+      let args ← args.mapM (visit xs)
+      let toRevert ← collectForwardDeps mvarLCtx toRevert
+      let newMVarLCtx   := reduceLocalContext mvarLCtx toRevert
+      -- Note that `toRevert` only contains free variables since it is the result of `getInScope`
+      let newLocalInsts := mvarDecl.localInstances.filter fun inst => toRevert.all fun x => inst.fvar != x
+      -- Remark: we must reset the before processing `mkAuxMVarType` because `toRevert` may not be equal to `xs`
+      let newMVarType ← withFreshCache do mkAuxMVarType mvarLCtx toRevert newMVarKind mvarDecl.type
+      let newMVarId    := { name := (← get).ngen.curr }
+      let newMVar      := mkMVar newMVarId
+      let result       := mkMVarApp mvarLCtx newMVar toRevert newMVarKind
+      let numScopeArgs := mvarDecl.numScopeArgs + result.getAppNumArgs
+      modify fun s => { s with
+          mctx := s.mctx.addExprMVarDecl newMVarId Name.anonymous newMVarLCtx newLocalInsts newMVarType newMVarKind numScopeArgs,
+          ngen := s.ngen.next
+        }
       if !mvarDecl.kind.isSyntheticOpaque then
-        cont #[]
-      else match (← getDelayedMVarAssignment? mvarId) with
-      | none => cont #[]
-      | some { fvars, .. } => cont fvars
+        assignExprMVar mvarId result
+      else
+        /- If `mvarId` is the lhs of a delayed assignment `?m #[x_1, ... x_n] := ?mvarPending`,
+           then `nestedFVars` is `#[x_1, ..., x_n]`.
+           In this case, `newMVarId` is also `syntheticOpaque` and we add the delayed assignment delayed assignment
+           ```
+           ?newMVar #[y_1, ..., y_m, x_1, ... x_n] := ?m
+           ```
+           where `#[y_1, ..., y_m]` is `toRevert` after `collectForwardDeps`.
+        -/
+        let (mvarIdPending, nestedFVars) ← match (← getDelayedMVarAssignment? mvarId) with
+          | none => pure (mvarId, #[])
+          | some { fvars, mvarIdPending } => pure (mvarIdPending, fvars)
+        assignDelayedMVar newMVarId (toRevert ++ nestedFVars) mvarIdPending
+      return (mkAppN result args, toRevert)
 
   private partial def elimApp (xs : Array Expr) (f : Expr) (args : Array Expr) : M Expr := do
     match f with

stage0/src/Lean/Util/OccursCheck.lean

@@ -26,7 +26,7 @@ where
       | some v => visit v
       | none   =>
         match (← getDelayedMVarAssignment? mvarId') with
-        | some d => visit d.val
+        | some d => visitMVar d.mvarIdPending
         | none   => return ()
 
   visit (e : Expr) : ExceptT Unit (StateT ExprSet m) Unit := do

stage0/stdlib/Lean/Elab/Binders.c

@@ -40,6 +40,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLetDecl(lean_object*, lean_object*
 lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandBinderIdent___closed__4;
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__3;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandMatchAltsIntoMatchAux___closed__7;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -458,7 +459,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Binders
 static lean_object* l_Lean_Elab_Term_elabLetDeclAux___closed__5;
 static lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__1___closed__1;
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_registerFailedToInferBinderTypeInfo___closed__1;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandBinderModifier___closed__15;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -502,7 +502,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetDelayedDecl___closed__4
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_FunBinders_State_expectedType_x3f___default;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetFunDecl___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandMatchAltsWhereDecls_loop___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Elab_Term_declareTacticSyntax___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabFun___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__16;
@@ -660,6 +659,7 @@ static lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__3___closed__2;
 LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Elab_Term_declareTacticSyntax___spec__6___lambda__1(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabForall_declRange___closed__6;
 lean_object* l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_elabFun___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__11;
 LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_FunBinders_elabFunBinderViews___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4423,7 +4423,7 @@ lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint
 x_48 = lean_ctor_get(x_42, 1);
 lean_inc(x_48);
 lean_dec(x_42);
-x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_29, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_29, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -4451,7 +4451,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean
 lean_inc(x_27);
 x_35 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_35, 0, x_27);
-x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
+x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -27935,7 +27935,7 @@ lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint
 x_55 = lean_ctor_get(x_49, 1);
 lean_inc(x_55);
 lean_dec(x_49);
-x_56 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_10, x_11, x_12, x_13, x_14, x_15, x_55);
+x_56 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_10, x_11, x_12, x_13, x_14, x_15, x_55);
 x_57 = lean_ctor_get(x_56, 0);
 lean_inc(x_57);
 x_58 = lean_ctor_get(x_56, 1);
@@ -27989,7 +27989,7 @@ lean_ctor_set(x_42, 1, x_41);
 x_43 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_43, 0, x_42);
 lean_ctor_set(x_43, 1, x_33);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_43, x_10, x_11, x_12, x_13, x_14, x_15, x_28);
+x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_43, x_10, x_11, x_12, x_13, x_14, x_15, x_28);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);

stage0/stdlib/Lean/Elab/Declaration.c

@@ -33,6 +33,7 @@ LEAN_EXPORT lean_object* l_Lean_addDeclarationRanges___at_Lean_Elab_Command_elab
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_elabAttr___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_expandDeclNamespace_x3f___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabAxiom___lambda__5___closed__5;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -310,7 +311,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabAxiom___lambda__1___boxed(lean_
 lean_object* l_Lean_Elab_expandDeclIdCore(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabAttr___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_isMutualDef(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_expandMutualElement___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_isMutualPreambleCommand(lean_object*);
@@ -356,7 +356,6 @@ lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
 uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabAxiom___lambda__7___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Command_expandInitialize_declRange(lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandMutualElement_declRange___closed__1;
 static lean_object* l_Lean_Elab_Command_expandInitCmd___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandBuiltinInitialize_declRange___closed__1;
@@ -493,6 +492,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabAttr_declRange___closed__7;
 static lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_expandDeclNamespace_x3f___closed__15;
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandMutualNamespace___closed__4;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabMutual___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandBuiltinInitialize___closed__3;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Declaration_0__Lean_Elab_Command_inductiveSyntaxToView___spec__3___closed__2;
@@ -4024,7 +4024,7 @@ lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint
 x_83 = lean_ctor_get(x_78, 1);
 lean_inc(x_83);
 lean_dec(x_78);
-x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_60, x_10, x_11, x_12, x_13, x_14, x_15, x_83);
+x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_60, x_10, x_11, x_12, x_13, x_14, x_15, x_83);
 x_85 = lean_ctor_get(x_84, 0);
 lean_inc(x_85);
 x_86 = lean_ctor_get(x_84, 1);
@@ -4069,7 +4069,7 @@ lean_ctor_set(x_71, 1, x_70);
 x_72 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_72, 0, x_71);
 lean_ctor_set(x_72, 1, x_66);
-x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_60, x_72, x_10, x_11, x_12, x_13, x_14, x_15, x_62);
+x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_60, x_72, x_10, x_11, x_12, x_13, x_14, x_15, x_62);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);

stage0/stdlib/Lean/Elab/Deriving/BEq.c

@@ -21,6 +21,7 @@ static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch___closed__2;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__10;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___closed__8;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___closed__17;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMutualBlock___closed__14;
@@ -150,7 +151,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_BEq_mkBEqHeader(lean_object*, lean
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMutualBlock___closed__4;
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__9;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__23;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqEnumFun___closed__16;
@@ -173,7 +173,6 @@ LEAN_EXPORT lean_object* l_Lean_isEnumType___at_Lean_Elab_Deriving_BEq_mkBEqInst
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___spec__1___closed__5;
 static lean_object* l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqEnumFun___closed__10;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__7;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__22;
 lean_object* lean_environment_main_module(lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__15;
@@ -239,6 +238,7 @@ extern lean_object* l_Lean_instInhabitedInductiveVal;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__28;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__14;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_betaReduce___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5051,7 +5051,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -5101,7 +5101,7 @@ x_38 = l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqInstanc
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -6040,7 +6040,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_2, x_3, x_4, x_5, x_6, x_7, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_2, x_3, x_4, x_5, x_6, x_7, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -6090,7 +6090,7 @@ x_36 = l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqInstanc
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_37, x_2, x_3, x_4, x_5, x_6, x_7, x_28);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_37, x_2, x_3, x_4, x_5, x_6, x_7, x_28);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);

stage0/stdlib/Lean/Elab/Deriving/DecEq.c

@@ -25,6 +25,7 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__3
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__25;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__22;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkEnumOfNat_mkDecTree___closed__4;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__37;
@@ -261,7 +262,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_DecEq_mk
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__29;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch___closed__3;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__36;
 LEAN_EXPORT lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_DecEq_mkMatch_mkAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -282,7 +282,6 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_DecEq_mkMatch_mkAlts___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_redLength___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqHeader(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__57;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__4;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__69;
@@ -381,6 +380,7 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkEnumOfNat_mkDecTree___closed__7;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__44;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__40;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkAuxFunction___closed__12;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__23;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__41;
@@ -6327,7 +6327,7 @@ lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint
 x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_dec(x_46);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -6377,7 +6377,7 @@ x_38 = l_Lean_Elab_Deriving_DecEq_mkDecEqCmds___closed__10;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);

stage0/stdlib/Lean/Elab/Deriving/Hashable.c

@@ -17,6 +17,7 @@ lean_object* l_List_reverse___rarg(lean_object*);
 lean_object* l_Lean_getConstInfo___at_Lean_Elab_Term_mkConst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
@@ -124,7 +125,6 @@ static lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Deriving_Hashable_mkHashableHandler___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__4___boxed(lean_object**);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__9;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mkHashableInstanceCmds___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch___closed__4;
@@ -143,7 +143,6 @@ LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMa
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__4___closed__4;
 lean_object* l_List_redLength___rarg(lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mkHashableInstanceCmds___closed__2;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__8;
 static lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__1___closed__4;
 static lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__1___closed__1;
@@ -193,6 +192,7 @@ static lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Derivin
 static lean_object* l_Lean_Elab_Deriving_Hashable_initFn____x40_Lean_Elab_Deriving_Hashable___hyg_2330____closed__1;
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__12;
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkHashFuncs___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4282,7 +4282,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -4332,7 +4332,7 @@ x_38 = l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mk
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);

stage0/stdlib/Lean/Elab/Deriving/Inhabited.c

@@ -23,6 +23,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_m
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParamsAux___rarg___lambda__2___closed__10;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_mkInhabitedInstanceHandler___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -174,7 +175,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_mkInhabitedIns
 static lean_object* l_List_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance___spec__3___closed__1;
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParams(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__7(lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__4___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -200,7 +200,6 @@ static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInha
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__24;
 lean_object* l_Lean_Meta_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__7;
 LEAN_EXPORT lean_object* l_Std_RBNode_revFold___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__3___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_collectUsedLocalsInsts(lean_object*, lean_object*, lean_object*);
@@ -264,6 +263,7 @@ lean_object* lean_mk_syntax_ident(lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___closed__5;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__1;
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParamsAux___rarg___closed__3;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_collectUsedLocalsInsts___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__7___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__2___closed__6;
@@ -2922,7 +2922,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint
 x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -2957,7 +2957,7 @@ x_22 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -9670,7 +9670,7 @@ x_66 = lean_ctor_get(x_60, 1);
 lean_inc(x_66);
 lean_dec(x_60);
 lean_inc(x_5);
-x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_66);
+x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_66);
 x_68 = lean_ctor_get(x_67, 0);
 lean_inc(x_68);
 x_69 = lean_ctor_get(x_67, 1);
@@ -9743,7 +9743,7 @@ lean_ctor_set(x_38, 1, x_33);
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_38);
 lean_ctor_set(x_39, 1, x_34);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -9776,7 +9776,7 @@ x_49 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_50 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
-x_51 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_50, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
+x_51 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_50, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -9910,7 +9910,7 @@ x_131 = lean_ctor_get(x_125, 1);
 lean_inc(x_131);
 lean_dec(x_125);
 lean_inc(x_5);
-x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_131);
+x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_131);
 x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
 x_134 = lean_ctor_get(x_132, 1);
@@ -9983,7 +9983,7 @@ lean_ctor_set(x_103, 1, x_98);
 x_104 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_104, 0, x_103);
 lean_ctor_set(x_104, 1, x_99);
-x_105 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_104, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_105 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_104, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
 x_107 = lean_ctor_get(x_105, 1);
@@ -10016,7 +10016,7 @@ x_114 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanc
 x_115 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_115, 0, x_113);
 lean_ctor_set(x_115, 1, x_114);
-x_116 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_115, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_116 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_115, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_117 = lean_ctor_get(x_116, 0);
 lean_inc(x_117);
 x_118 = lean_ctor_get(x_116, 1);
@@ -10214,7 +10214,7 @@ lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint
 x_92 = lean_ctor_get(x_86, 1);
 lean_inc(x_92);
 lean_dec(x_86);
-x_93 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_35, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_93 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_35, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_94 = lean_ctor_get(x_93, 0);
 lean_inc(x_94);
 x_95 = lean_ctor_get(x_93, 1);
@@ -10360,7 +10360,7 @@ x_63 = l_Lean_getConstInfoInduct___at___private_Lean_Elab_Deriving_Inhabited_0__
 x_64 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_64, 0, x_62);
 lean_ctor_set(x_64, 1, x_63);
-x_65 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_35, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
+x_65 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_35, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
 x_66 = lean_ctor_get(x_65, 0);
 lean_inc(x_66);
 x_67 = lean_ctor_get(x_65, 1);
@@ -10927,7 +10927,7 @@ x_36 = lean_ctor_get(x_30, 1);
 lean_inc(x_36);
 lean_dec(x_30);
 lean_inc(x_4);
-x_37 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_36);
+x_37 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_36);
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
@@ -10967,7 +10967,7 @@ x_23 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_24 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_24, 0, x_22);
 lean_ctor_set(x_24, 1, x_23);
-x_25 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_4, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
+x_25 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_4, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
 x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
 x_27 = lean_ctor_get(x_25, 1);
@@ -11155,7 +11155,7 @@ lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint
 x_71 = lean_ctor_get(x_65, 1);
 lean_inc(x_71);
 lean_dec(x_65);
-x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_29, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
+x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_29, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
 x_73 = lean_ctor_get(x_72, 0);
 lean_inc(x_73);
 x_74 = lean_ctor_get(x_72, 1);
@@ -11215,7 +11215,7 @@ lean_ctor_set(x_47, 1, x_42);
 x_48 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
 lean_ctor_set(x_48, 1, x_43);
-x_49 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_48, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_49 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_48, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -11245,7 +11245,7 @@ x_58 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_59, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_59, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);

stage0/stdlib/Lean/Elab/Deriving/Ord.c

@@ -20,6 +20,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_m
 uint8_t l_Lean_Expr_hasAnyFVar_visit___at_Lean_Expr_containsFVar___spec__1(lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__52;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
@@ -146,7 +147,6 @@ lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_obj
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__21;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__38;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__3;
@@ -165,7 +165,6 @@ static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts
 static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___closed__10;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__42;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__4;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMutualBlock___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__8;
 lean_object* lean_environment_main_module(lean_object*);
@@ -216,6 +215,7 @@ static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord
 static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___closed__4;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__3___closed__7;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__15;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__3;
 static lean_object* l_Lean_Elab_Deriving_Ord_mkAuxFunction___lambda__1___closed__26;
 LEAN_EXPORT lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5221,7 +5221,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -5271,7 +5271,7 @@ x_38 = l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanc
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);

stage0/stdlib/Lean/Elab/Deriving/Repr.c

@@ -21,6 +21,7 @@ static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__1___clos
 static lean_object* l___private_Lean_Elab_Deriving_Repr_0__Lean_Elab_Deriving_Repr_mkReprInstanceCmds___closed__1;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__1___closed__1;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_Repr_mkReprInstanceHandler(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -203,7 +204,6 @@ lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_obj
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__15;
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__47;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__13;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__5;
@@ -219,7 +219,6 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Deriving_Repr_mkBodyFo
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__10;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__1___closed__6;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__14;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkReprHeader___closed__26;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__26;
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -280,6 +279,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyFo
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__10;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__32;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isInductive___at_Lean_Elab_Deriving_Repr_mkReprInstanceHandler___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkReprHeader___closed__11;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__2___closed__5;
@@ -7465,7 +7465,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -7515,7 +7515,7 @@ x_38 = l___private_Lean_Elab_Deriving_Repr_0__Lean_Elab_Deriving_Repr_mkReprInst
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);

stage0/stdlib/Lean/Elab/Deriving/Util.c

@@ -19,6 +19,7 @@ static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkImplicitBin
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___closed__1;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__12;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -137,7 +138,6 @@ static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_mkInductArgNames___closed__1;
 size_t lean_usize_of_nat(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstanceLetDecls___spec__1___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkInstanceCmds___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkHeader___spec__1___closed__2;
@@ -145,7 +145,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkHeader(lean_object*, lean_object
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstanceLetDecls___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkHeader___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkHeader___spec__2___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___closed__7;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkDiscrs___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -181,6 +180,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstan
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkHeader___spec__1___closed__1;
 lean_object* lean_mk_syntax_ident(lean_object*);
 extern lean_object* l_Lean_instInhabitedInductiveVal;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__13;
 static lean_object* l_Lean_Elab_Deriving_implicitBinderF___closed__1;
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkImplicitBinders___spec__1___closed__4;
@@ -1882,7 +1882,7 @@ lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint
 x_44 = lean_ctor_get(x_38, 1);
 lean_inc(x_44);
 lean_dec(x_38);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_3, x_4, x_5, x_6, x_7, x_8, x_44);
+x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_21, x_3, x_4, x_5, x_6, x_7, x_8, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -1926,7 +1926,7 @@ lean_ctor_set(x_31, 1, x_29);
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_31);
 lean_ctor_set(x_32, 1, x_30);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_32, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
+x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_32, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);

stage0/stdlib/Lean/Elab/Extra.c

@@ -28,6 +28,7 @@ static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_elabBinRelCore(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__8;
 static lean_object* l_Lean_Elab_Term_elabForIn___lambda__1___closed__1;
 lean_object* l_Lean_Meta_mkFreshLevelMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -220,7 +221,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_elabBinCalc(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3___closed__2;
-lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_relation_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__4;
 static lean_object* l_Lean_Elab_Term_BinOp_elabBinOp___closed__20;
@@ -275,7 +276,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinRelNoProp_declRan
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_toExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_go___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabForIn_x27___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_throwForInFailure___closed__2;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_isUnknow(lean_object*);
@@ -288,7 +289,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinOpLazy_declRange_
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabForIn___closed__7;
@@ -327,7 +327,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc___closed__3;
 lean_object* l_Lean_Meta_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn___closed__29;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -441,6 +440,7 @@ lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinRel_declRange___closed__2;
 static lean_object* l_Lean_Elab_Term_BinOp_elabDefaultOrNonempty___closed__2;
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinOp_declRange___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc_declRange___closed__7;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -851,7 +851,7 @@ x_29 = lean_array_push(x_28, x_25);
 x_30 = lean_array_push(x_29, x_26);
 x_31 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_32 = 0;
-x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
 return x_33;
 }
 else
@@ -2271,7 +2271,7 @@ x_29 = lean_array_push(x_28, x_25);
 x_30 = lean_array_push(x_29, x_26);
 x_31 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_32 = 0;
-x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
 return x_33;
 }
 else
@@ -7340,7 +7340,7 @@ x_15 = lean_array_push(x_14, x_12);
 x_16 = lean_box(0);
 x_17 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_18 = 0;
-x_19 = l_Lean_Elab_Term_elabAppArgs(x_1, x_17, x_15, x_16, x_18, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_Elab_Term_elabAppArgs(x_1, x_17, x_15, x_16, x_18, x_18, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 return x_19;
 }
 }
@@ -8620,7 +8620,7 @@ x_47 = lean_ctor_get(x_41, 1);
 lean_inc(x_47);
 lean_dec(x_41);
 lean_inc(x_5);
-x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_47);
+x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_47);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
@@ -8676,7 +8676,7 @@ x_34 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_35 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_35, 0, x_33);
 lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_35, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
+x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_35, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -8941,7 +8941,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8996,7 +8996,7 @@ x_36 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_20, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_20, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -9492,7 +9492,7 @@ x_51 = lean_ctor_get(x_45, 1);
 lean_inc(x_51);
 lean_dec(x_45);
 lean_inc(x_4);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -9528,7 +9528,7 @@ x_38 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_32);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_32);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -9935,7 +9935,7 @@ lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint
 x_61 = lean_ctor_get(x_55, 1);
 lean_inc(x_61);
 lean_dec(x_55);
-x_62 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_61);
+x_62 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_61);
 x_63 = lean_ctor_get(x_62, 0);
 lean_inc(x_63);
 x_64 = lean_ctor_get(x_62, 1);
@@ -9969,7 +9969,7 @@ if (lean_obj_tag(x_22) == 0)
 {
 lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
 x_23 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__14;
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -9994,7 +9994,7 @@ x_32 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -10013,7 +10013,7 @@ if (lean_obj_tag(x_38) == 0)
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
 x_39 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__21;
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -10038,7 +10038,7 @@ x_48 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_49 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_49, 0, x_47);
 lean_ctor_set(x_49, 1, x_48);
-x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_49, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_49, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -10874,7 +10874,7 @@ x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
 lean_inc(x_2);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -10922,7 +10922,7 @@ x_25 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_24);
 lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_2, x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_2, x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -11247,7 +11247,7 @@ x_41 = lean_array_push(x_40, x_38);
 x_42 = lean_array_push(x_41, x_39);
 x_43 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_44 = 0;
-x_45 = l_Lean_Elab_Term_elabAppArgs(x_5, x_43, x_42, x_6, x_44, x_44, x_11, x_12, x_13, x_14, x_15, x_16, x_37);
+x_45 = l_Lean_Elab_Term_elabAppArgs(x_5, x_43, x_42, x_6, x_44, x_44, x_44, x_11, x_12, x_13, x_14, x_15, x_16, x_37);
 return x_45;
 }
 else
@@ -11613,7 +11613,7 @@ lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint
 x_86 = lean_ctor_get(x_81, 1);
 lean_inc(x_86);
 lean_dec(x_81);
-x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
+x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
 x_88 = lean_ctor_get(x_87, 0);
 lean_inc(x_88);
 x_89 = lean_ctor_get(x_87, 1);
@@ -11647,7 +11647,7 @@ if (lean_obj_tag(x_48) == 0)
 {
 lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
 x_49 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__14;
-x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_49, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_49, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -11672,7 +11672,7 @@ x_58 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_59, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_59, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
@@ -11691,7 +11691,7 @@ if (lean_obj_tag(x_64) == 0)
 {
 lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
 x_65 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__21;
-x_66 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_65, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_66 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_65, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_67 = lean_ctor_get(x_66, 0);
 lean_inc(x_67);
 x_68 = lean_ctor_get(x_66, 1);
@@ -11716,7 +11716,7 @@ x_74 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_75 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_75, 0, x_73);
 lean_ctor_set(x_75, 1, x_74);
-x_76 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_76 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_77 = lean_ctor_get(x_76, 0);
 lean_inc(x_77);
 x_78 = lean_ctor_get(x_76, 1);
@@ -16744,7 +16744,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -17353,7 +17353,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_BinOp_elabDefaultOrNonempty_d
 res = l___regBuiltin_Lean_Elab_Term_BinOp_elabDefaultOrNonempty_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_io_mk_world());
+res = l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));

stage0/stdlib/Lean/Elab/Inductive.c

@@ -33,6 +33,7 @@ uint8_t l_Lean_Level_isNeverZero(lean_object*);
 lean_object* l_Std_HashMap_insert___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkPatternRefMap_go___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___lambda__7(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lambda__4___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkTypeFor(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_withUsed___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -493,7 +494,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_up
 static lean_object* l_Lean_Elab_Command_instInhabitedInductiveView___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_shouldInferResultUniverse___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_replaceIndFVarsWithConsts___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_applyRefMap___spec__1(lean_object*, lean_object*);
@@ -552,7 +552,6 @@ LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_In
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 static lean_object* l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__8;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_indexOfAux___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_getIndexMinPos___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__5___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__6___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__7___closed__3;
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -751,6 +750,7 @@ static lean_object* l_Lean_Elab_Command_checkValidCtorModifier___rarg___lambda__
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___closed__4;
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors___spec__2___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_accLevelAtCtor___lambda__2___closed__7;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_computeFixedIndexBitMask_go___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -2047,7 +2047,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -2101,7 +2101,7 @@ x_27 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_12, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_12, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
@@ -8300,7 +8300,7 @@ lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint
 x_53 = lean_ctor_get(x_47, 1);
 lean_inc(x_53);
 lean_dec(x_47);
-x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_27, x_7, x_8, x_9, x_10, x_11, x_12, x_53);
+x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_27, x_7, x_8, x_9, x_10, x_11, x_12, x_53);
 x_55 = lean_ctor_get(x_54, 0);
 lean_inc(x_55);
 x_56 = lean_ctor_get(x_54, 1);
@@ -8348,7 +8348,7 @@ x_40 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors_elabCtorTy
 x_41 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_41, 0, x_39);
 lean_ctor_set(x_41, 1, x_40);
-x_42 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_27, x_41, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
+x_42 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_27, x_41, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -8601,7 +8601,7 @@ x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_dec(x_46);
 lean_inc(x_6);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -8654,7 +8654,7 @@ lean_ctor_set(x_39, 1, x_38);
 x_40 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_40, 0, x_39);
 lean_ctor_set(x_40, 1, x_34);
-x_41 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_40, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
+x_41 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_40, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -8860,7 +8860,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_44, 1);
 lean_inc(x_49);
 lean_dec(x_44);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8898,7 +8898,7 @@ x_37 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_38 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_38, 0, x_36);
 lean_ctor_set(x_38, 1, x_37);
-x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_28);
+x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_28);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -15277,7 +15277,7 @@ lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint
 x_51 = lean_ctor_get(x_45, 1);
 lean_inc(x_51);
 lean_dec(x_45);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -15344,7 +15344,7 @@ x_38 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_39, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_39, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -30133,7 +30133,7 @@ x_53 = lean_ctor_get(x_48, 1);
 lean_inc(x_53);
 lean_dec(x_48);
 lean_inc(x_9);
-x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_53);
+x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_53);
 x_55 = lean_ctor_get(x_54, 0);
 lean_inc(x_55);
 x_56 = lean_ctor_get(x_54, 1);
@@ -30172,7 +30172,7 @@ x_41 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_42 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_42, 0, x_40);
 lean_ctor_set(x_42, 1, x_41);
-x_43 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_42, x_11, x_12, x_13, x_14, x_15, x_16, x_33);
+x_43 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_42, x_11, x_12, x_13, x_14, x_15, x_16, x_33);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -30338,7 +30338,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_16, x_9, x_10, x_11, x_12, x_13, x_14, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_16, x_9, x_10, x_11, x_12, x_13, x_14, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -30377,7 +30377,7 @@ x_27 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_28, x_9, x_10, x_11, x_12, x_13, x_14, x_18);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_28, x_9, x_10, x_11, x_12, x_13, x_14, x_18);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);

stage0/stdlib/Lean/Elab/Match.c

@@ -42,6 +42,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_elabMatch_elabMat
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_normalize_addVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_isAuxDiscrName(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -617,7 +618,6 @@ static lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___rarg___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoMatch___closed__3;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_waitExpectedTypeAndDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -691,7 +691,6 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__L
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_packMatchTypePatterns___spec__1___closed__1;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___rarg___lambda__4___boxed(lean_object**);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_isExplicitPatternVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___spec__4(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -956,6 +955,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_precheckMatch___lambda__2(lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkMatcher___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitLambda___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__4(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__19;
@@ -2237,7 +2237,7 @@ lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; uint
 x_88 = lean_ctor_get(x_82, 1);
 lean_inc(x_88);
 lean_dec(x_82);
-x_89 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_51, x_6, x_7, x_8, x_9, x_10, x_11, x_88);
+x_89 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_51, x_6, x_7, x_8, x_9, x_10, x_11, x_88);
 x_90 = lean_ctor_get(x_89, 0);
 lean_inc(x_90);
 x_91 = lean_ctor_get(x_89, 1);
@@ -2306,7 +2306,7 @@ x_72 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_73 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_73, 0, x_71);
 lean_ctor_set(x_73, 1, x_72);
-x_74 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_51, x_73, x_6, x_7, x_8, x_9, x_10, x_11, x_53);
+x_74 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_51, x_73, x_6, x_7, x_8, x_9, x_10, x_11, x_53);
 x_75 = lean_ctor_get(x_74, 0);
 lean_inc(x_75);
 x_76 = lean_ctor_get(x_74, 1);
@@ -2440,7 +2440,7 @@ lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153;
 x_150 = lean_ctor_get(x_144, 1);
 lean_inc(x_150);
 lean_dec(x_144);
-x_151 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_113, x_6, x_7, x_8, x_9, x_10, x_11, x_150);
+x_151 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_113, x_6, x_7, x_8, x_9, x_10, x_11, x_150);
 x_152 = lean_ctor_get(x_151, 0);
 lean_inc(x_152);
 x_153 = lean_ctor_get(x_151, 1);
@@ -2509,7 +2509,7 @@ x_134 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Ter
 x_135 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_135, 0, x_133);
 lean_ctor_set(x_135, 1, x_134);
-x_136 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_113, x_135, x_6, x_7, x_8, x_9, x_10, x_11, x_115);
+x_136 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_113, x_135, x_6, x_7, x_8, x_9, x_10, x_11, x_115);
 x_137 = lean_ctor_get(x_136, 0);
 lean_inc(x_137);
 x_138 = lean_ctor_get(x_136, 1);
@@ -26366,7 +26366,7 @@ x_46 = lean_ctor_get(x_40, 1);
 lean_inc(x_46);
 lean_dec(x_40);
 lean_inc(x_3);
-x_47 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_46);
+x_47 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_46);
 x_48 = lean_ctor_get(x_47, 0);
 lean_inc(x_48);
 x_49 = lean_ctor_get(x_47, 1);
@@ -26415,7 +26415,7 @@ x_33 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_34 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_34, 0, x_32);
 lean_ctor_set(x_34, 1, x_33);
-x_35 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_3, x_34, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
+x_35 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_3, x_34, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -26662,7 +26662,7 @@ x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
 lean_inc(x_9);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -26699,7 +26699,7 @@ x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
 lean_inc(x_9);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -26912,7 +26912,7 @@ lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint
 x_65 = lean_ctor_get(x_59, 1);
 lean_inc(x_65);
 lean_dec(x_59);
-x_66 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
+x_66 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
 x_67 = lean_ctor_get(x_66, 0);
 lean_inc(x_67);
 x_68 = lean_ctor_get(x_66, 1);
@@ -26952,7 +26952,7 @@ x_50 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_51 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_51, 0, x_49);
 lean_ctor_set(x_51, 1, x_50);
-x_52 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_37, x_51, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_52 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_37, x_51, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -27384,7 +27384,7 @@ lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; uint
 x_78 = lean_ctor_get(x_73, 1);
 lean_inc(x_78);
 lean_dec(x_73);
-x_79 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_78);
+x_79 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_78);
 x_80 = lean_ctor_get(x_79, 0);
 lean_inc(x_80);
 x_81 = lean_ctor_get(x_79, 1);
@@ -27481,7 +27481,7 @@ x_55 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_33, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_35);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_33, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_35);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -30539,7 +30539,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -30582,7 +30582,7 @@ x_30 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_31, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_31, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -32204,7 +32204,7 @@ x_31 = lean_ctor_get(x_25, 1);
 lean_inc(x_31);
 lean_dec(x_25);
 lean_inc(x_2);
-x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
+x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -32240,7 +32240,7 @@ x_18 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_17);
 lean_ctor_set(x_19, 1, x_18);
-x_20 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_2, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_12);
+x_20 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_2, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_12);
 x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
@@ -32819,7 +32819,7 @@ x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
 lean_inc(x_6);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -32855,7 +32855,7 @@ x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
 lean_inc(x_6);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -32984,7 +32984,7 @@ lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint
 x_41 = lean_ctor_get(x_35, 1);
 lean_inc(x_41);
 lean_dec(x_35);
-x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_41);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_41);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -33022,7 +33022,7 @@ x_28 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_27);
 lean_ctor_set(x_29, 1, x_28);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -37069,7 +37069,7 @@ x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
 lean_inc(x_9);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -37108,7 +37108,7 @@ x_29 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_28);
 lean_ctor_set(x_30, 1, x_29);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_30, x_11, x_12, x_13, x_14, x_15, x_16, x_20);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_30, x_11, x_12, x_13, x_14, x_15, x_16, x_20);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);
@@ -37578,7 +37578,7 @@ lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint
 x_68 = lean_ctor_get(x_62, 1);
 lean_inc(x_68);
 lean_dec(x_62);
-x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_47, x_7, x_8, x_9, x_10, x_11, x_12, x_68);
+x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_47, x_7, x_8, x_9, x_10, x_11, x_12, x_68);
 x_70 = lean_ctor_get(x_69, 0);
 lean_inc(x_70);
 x_71 = lean_ctor_get(x_69, 1);
@@ -37613,7 +37613,7 @@ x_55 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_47, x_56, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_47, x_56, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -41087,7 +41087,7 @@ lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint
 x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -41122,7 +41122,7 @@ x_32 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_24, x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_26);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_24, x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_26);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -41498,7 +41498,7 @@ lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint
 x_79 = lean_ctor_get(x_73, 1);
 lean_inc(x_79);
 lean_dec(x_73);
-x_80 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_58, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
+x_80 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_58, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
 x_81 = lean_ctor_get(x_80, 0);
 lean_inc(x_81);
 x_82 = lean_ctor_get(x_80, 1);
@@ -41545,7 +41545,7 @@ x_65 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_66 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_66, 0, x_64);
 lean_ctor_set(x_66, 1, x_65);
-x_67 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_58, x_66, x_7, x_8, x_9, x_10, x_11, x_12, x_60);
+x_67 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_58, x_66, x_7, x_8, x_9, x_10, x_11, x_12, x_60);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -43278,7 +43278,7 @@ lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint
 x_77 = lean_ctor_get(x_71, 1);
 lean_inc(x_77);
 lean_dec(x_71);
-x_78 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_40, x_5, x_6, x_7, x_8, x_9, x_10, x_77);
+x_78 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_40, x_5, x_6, x_7, x_8, x_9, x_10, x_77);
 x_79 = lean_ctor_get(x_78, 0);
 lean_inc(x_79);
 x_80 = lean_ctor_get(x_78, 1);
@@ -43366,7 +43366,7 @@ x_58 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_40, x_59, x_5, x_6, x_7, x_8, x_9, x_10, x_42);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_40, x_59, x_5, x_6, x_7, x_8, x_9, x_10, x_42);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);

stage0/stdlib/Lean/Elab/MutualDef.c

@@ -35,6 +35,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_getAl
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_isMultiConstant_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__4(lean_object*, size_t, size_t, lean_object*);
 uint8_t l_Lean_isAuxDiscrName(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
@@ -451,8 +452,10 @@ static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClos
 LEAN_EXPORT lean_object* l_Std_RBNode_foldM___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_updateUsedVarsOf___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_expandMatchAltsWhereDecls(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_typeHasRecFun___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1;
 lean_object* l_Lean_Elab_Term_addLocalVarInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_elabModifiers___at_Lean_Elab_Command_elabMutualDef___spec__1___closed__3;
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2;
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_declValToTerm___closed__1;
 lean_object* l_List_findSome_x3f___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -485,6 +488,7 @@ static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_getPendind
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkClosureForAux___closed__3;
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkFreeVarMap___spec__4(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_elabMutualDef___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_addInstance(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabMutualDef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -585,7 +589,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0_
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_isExample___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkInitialUsedFVarsMap___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosures___spec__8___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -647,7 +650,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_remov
 uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_processDefDeriving___spec__2___closed__2;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_collectUsed___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_levelMVarToParamHeaders_process(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -868,6 +870,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Mutua
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_updateUsedVarsOf(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_registerFailedToInferDefTypeInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_mkDefView(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_resetModified___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_withUsed___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -884,6 +887,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_mkIns
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabFunValues___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__3___closed__6;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_pp_universes;
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__6;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___closed__3;
@@ -4362,7 +4366,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -4407,7 +4411,7 @@ x_36 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___clo
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_37, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_37, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -34861,7 +34865,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -34924,7 +34928,7 @@ lean_ctor_set(x_35, 1, x_34);
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_24);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
 x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
 lean_dec(x_37);
@@ -35155,6 +35159,147 @@ goto _start;
 }
 }
 }
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("after eraseAuxDiscr, ", 21);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+uint8_t x_12; 
+x_12 = lean_usize_dec_lt(x_3, x_2);
+if (x_12 == 0)
+{
+lean_object* x_13; 
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_4);
+lean_ctor_set(x_13, 1, x_11);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_4);
+x_14 = lean_array_uget(x_1, x_3);
+x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__6___lambda__4___closed__4;
+x_45 = lean_st_ref_get(x_10, x_11);
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_46, 3);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_ctor_get_uint8(x_47, sizeof(void*)*1);
+lean_dec(x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_45, 1);
+lean_inc(x_49);
+lean_dec(x_45);
+x_50 = 0;
+x_16 = x_50;
+x_17 = x_49;
+goto block_44;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_51 = lean_ctor_get(x_45, 1);
+lean_inc(x_51);
+lean_dec(x_45);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+x_16 = x_55;
+x_17 = x_54;
+goto block_44;
+}
+block_44:
+{
+if (x_16 == 0)
+{
+size_t x_18; size_t x_19; lean_object* x_20; 
+lean_dec(x_14);
+x_18 = 1;
+x_19 = lean_usize_add(x_3, x_18);
+x_20 = lean_box(0);
+x_3 = x_19;
+x_4 = x_20;
+x_11 = x_17;
+goto _start;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; size_t x_40; size_t x_41; lean_object* x_42; 
+x_22 = lean_ctor_get(x_14, 3);
+lean_inc(x_22);
+x_23 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2;
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+x_26 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__2;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = lean_ctor_get(x_14, 4);
+lean_inc(x_28);
+x_29 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_29, 0, x_28);
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_27);
+lean_ctor_set(x_30, 1, x_29);
+x_31 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = lean_ctor_get(x_14, 5);
+lean_inc(x_33);
+lean_dec(x_14);
+x_34 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_34, 0, x_33);
+x_35 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_35, 0, x_32);
+lean_ctor_set(x_35, 1, x_34);
+x_36 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__6;
+x_37 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+lean_dec(x_38);
+x_40 = 1;
+x_41 = lean_usize_add(x_3, x_40);
+x_42 = lean_box(0);
+x_3 = x_41;
+x_4 = x_42;
+x_11 = x_39;
+goto _start;
+}
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMutualDef_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
 _start:
 {
@@ -35226,12 +35371,19 @@ lean_inc(x_15);
 x_37 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_elabMutualDef_go___spec__4(x_36, x_5, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_34);
 if (lean_obj_tag(x_37) == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+lean_object* x_38; lean_object* x_39; lean_object* x_40; size_t x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
 lean_inc(x_39);
 lean_dec(x_37);
+x_40 = lean_array_get_size(x_38);
+x_41 = lean_usize_of_nat(x_40);
+lean_dec(x_40);
+x_42 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(x_38, x_41, x_5, x_23, x_11, x_12, x_13, x_14, x_15, x_16, x_39);
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+lean_dec(x_42);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
@@ -35239,65 +35391,33 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_38);
-x_40 = l_Lean_Elab_Term_checkForHiddenUnivLevels(x_7, x_38, x_11, x_12, x_13, x_14, x_15, x_16, x_39);
-if (lean_obj_tag(x_40) == 0)
+x_44 = l_Lean_Elab_Term_checkForHiddenUnivLevels(x_7, x_38, x_11, x_12, x_13, x_14, x_15, x_16, x_43);
+if (lean_obj_tag(x_44) == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-lean_dec(x_40);
+lean_object* x_45; lean_object* x_46; 
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+lean_dec(x_44);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_42 = l_Lean_Elab_addPreDefinitions(x_38, x_8, x_11, x_12, x_13, x_14, x_15, x_16, x_41);
-if (lean_obj_tag(x_42) == 0)
+x_46 = l_Lean_Elab_addPreDefinitions(x_38, x_8, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
+if (lean_obj_tag(x_46) == 0)
 {
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_42, 1);
-lean_inc(x_43);
-lean_dec(x_42);
-x_44 = l_Lean_Elab_Term_elabMutualDef_processDeriving(x_9, x_1, x_11, x_12, x_13, x_14, x_15, x_16, x_43);
-lean_dec(x_1);
-return x_44;
-}
-else
-{
-uint8_t x_45; 
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_9);
-lean_dec(x_1);
-x_45 = !lean_is_exclusive(x_42);
-if (x_45 == 0)
-{
-return x_42;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 0);
-x_47 = lean_ctor_get(x_42, 1);
+lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_46, 1);
 lean_inc(x_47);
-lean_inc(x_46);
-lean_dec(x_42);
-x_48 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_48, 0, x_46);
-lean_ctor_set(x_48, 1, x_47);
+lean_dec(x_46);
+x_48 = l_Lean_Elab_Term_elabMutualDef_processDeriving(x_9, x_1, x_11, x_12, x_13, x_14, x_15, x_16, x_47);
+lean_dec(x_1);
 return x_48;
 }
-}
-}
 else
 {
 uint8_t x_49; 
-lean_dec(x_38);
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -35305,21 +35425,20 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_9);
-lean_dec(x_8);
 lean_dec(x_1);
-x_49 = !lean_is_exclusive(x_40);
+x_49 = !lean_is_exclusive(x_46);
 if (x_49 == 0)
 {
-return x_40;
+return x_46;
 }
 else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_40, 0);
-x_51 = lean_ctor_get(x_40, 1);
+x_50 = lean_ctor_get(x_46, 0);
+x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_inc(x_50);
-lean_dec(x_40);
+lean_dec(x_46);
 x_52 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_52, 0, x_50);
 lean_ctor_set(x_52, 1, x_51);
@@ -35330,6 +35449,7 @@ return x_52;
 else
 {
 uint8_t x_53; 
+lean_dec(x_38);
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -35338,21 +35458,20 @@ lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
 lean_dec(x_1);
-x_53 = !lean_is_exclusive(x_37);
+x_53 = !lean_is_exclusive(x_44);
 if (x_53 == 0)
 {
-return x_37;
+return x_44;
 }
 else
 {
 lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_37, 0);
-x_55 = lean_ctor_get(x_37, 1);
+x_54 = lean_ctor_get(x_44, 0);
+x_55 = lean_ctor_get(x_44, 1);
 lean_inc(x_55);
 lean_inc(x_54);
-lean_dec(x_37);
+lean_dec(x_44);
 x_56 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
@@ -35373,19 +35492,19 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_1);
-x_57 = !lean_is_exclusive(x_32);
+x_57 = !lean_is_exclusive(x_37);
 if (x_57 == 0)
 {
-return x_32;
+return x_37;
 }
 else
 {
 lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_32, 0);
-x_59 = lean_ctor_get(x_32, 1);
+x_58 = lean_ctor_get(x_37, 0);
+x_59 = lean_ctor_get(x_37, 1);
 lean_inc(x_59);
 lean_inc(x_58);
-lean_dec(x_32);
+lean_dec(x_37);
 x_60 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_60, 0, x_58);
 lean_ctor_set(x_60, 1, x_59);
@@ -35405,25 +35524,58 @@ lean_dec(x_11);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
+lean_dec(x_1);
+x_61 = !lean_is_exclusive(x_32);
+if (x_61 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_32, 0);
+x_63 = lean_ctor_get(x_32, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_32);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
+}
+}
+}
+else
+{
+uint8_t x_65; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_18);
-if (x_61 == 0)
+x_65 = !lean_is_exclusive(x_18);
+if (x_65 == 0)
 {
 return x_18;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_18, 0);
-x_63 = lean_ctor_get(x_18, 1);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_18, 0);
+x_67 = lean_ctor_get(x_18, 1);
+lean_inc(x_67);
+lean_inc(x_66);
 lean_dec(x_18);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
@@ -35843,6 +35995,25 @@ lean_dec(x_4);
 return x_13;
 }
 }
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+size_t x_12; size_t x_13; lean_object* x_14; 
+x_12 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_13 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(x_1, x_12, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_14;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMutualDef_go___lambda__1___boxed(lean_object** _args) {
 lean_object* x_1 = _args[0];
 lean_object* x_2 = _args[1];
@@ -38331,6 +38502,10 @@ l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__3);
 l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4();
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4);
+l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2);
 l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1 = _init_l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1();
 lean_mark_persistent(l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1);
 l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1___closed__1 = _init_l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1___closed__1();

stage0/stdlib/Lean/Elab/PreDefinition/Main.c

@@ -20,6 +20,7 @@ lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTer
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux___rarg(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__7___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_getMVarsAtPreDef___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_addPreDefinitions___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_addPreDefinitions___spec__15(lean_object*, size_t, size_t);
@@ -240,7 +241,6 @@ lean_object* l_Lean_Elab_addAndCompilePartialRec(lean_object*, lean_object*, lea
 lean_object* l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_addPreDefinitions___spec__8___rarg___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__4___closed__2;
 static lean_object* l_Lean_Elab_addPreDefinitions___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__4___closed__1;
@@ -262,7 +262,6 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_addPreDefinitions___sp
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_addPreDefinitions___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_addAndCompilePartial___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_partitionPreDefs___spec__26(lean_object*, size_t, size_t, lean_object*);
@@ -332,6 +331,7 @@ static lean_object* l_Lean_Elab_addPreDefinitions___closed__13;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_addAndCompilePartial___spec__2___closed__8;
 lean_object* l_Lean_Elab_WF_TerminationBy_find_x3f(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__1___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_addPreDefinitions___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Util_SCC_0__Lean_SCC_resetOnStack___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_partitionPreDefs___spec__22___closed__1;
@@ -860,7 +860,7 @@ lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint
 x_71 = lean_ctor_get(x_65, 1);
 lean_inc(x_71);
 lean_dec(x_65);
-x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
+x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
 x_73 = lean_ctor_get(x_72, 0);
 lean_inc(x_73);
 x_74 = lean_ctor_get(x_72, 1);
@@ -990,7 +990,7 @@ x_42 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Main_0__L
 x_43 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_43, 0, x_41);
 lean_ctor_set(x_43, 1, x_42);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_43, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
+x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_43, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -4689,7 +4689,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -4752,7 +4752,7 @@ lean_ctor_set(x_35, 1, x_34);
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_24);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
 x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
 lean_dec(x_37);
@@ -9090,7 +9090,7 @@ lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint
 x_83 = lean_ctor_get(x_77, 1);
 lean_inc(x_83);
 lean_dec(x_77);
-x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_83);
+x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_83);
 x_85 = lean_ctor_get(x_84, 0);
 lean_inc(x_85);
 x_86 = lean_ctor_get(x_84, 1);
@@ -9224,7 +9224,7 @@ lean_ctor_set(x_53, 1, x_51);
 x_54 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_54, 0, x_53);
 lean_ctor_set(x_54, 1, x_52);
-x_55 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_54, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+x_55 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_54, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
 x_56 = lean_ctor_get(x_55, 0);
 lean_inc(x_56);
 x_57 = lean_ctor_get(x_55, 1);

stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c

@@ -23,6 +23,7 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_r
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__8;
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
@@ -174,7 +175,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object*, lean_object*);
@@ -190,7 +190,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Lean_Elab_pushInfoTree___at_Lean_Elab_Term_addDotCompletionInfo___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_addAutoBoundImplicits_x27___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -238,6 +237,7 @@ LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_El
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_setUserName(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6;
@@ -5161,7 +5161,7 @@ x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
 lean_inc(x_6);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -5219,7 +5219,7 @@ lean_ctor_set(x_28, 1, x_27);
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_23);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_29, x_8, x_9, x_10, x_11, x_12, x_13, x_21);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_29, x_8, x_9, x_10, x_11, x_12, x_13, x_21);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -5368,7 +5368,7 @@ lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint
 x_34 = lean_ctor_get(x_28, 1);
 lean_inc(x_34);
 lean_dec(x_28);
-x_35 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
+x_35 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -5402,7 +5402,7 @@ x_21 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__L
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_13, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
+x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_13, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);

stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c

@@ -15,6 +15,7 @@ extern "C" {
 #endif
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -133,7 +134,6 @@ size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Elab_addAndCompilePartialRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -141,7 +141,6 @@ static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinitio
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_WF_elabWFRel___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__3;
@@ -187,6 +186,7 @@ lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_ob
 lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_whnfCore_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
@@ -1120,7 +1120,7 @@ lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint
 x_90 = lean_ctor_get(x_84, 1);
 lean_inc(x_90);
 lean_dec(x_84);
-x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_36, x_11, x_12, x_13, x_14, x_15, x_16, x_90);
+x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_36, x_11, x_12, x_13, x_14, x_15, x_16, x_90);
 x_92 = lean_ctor_get(x_91, 0);
 lean_inc(x_92);
 x_93 = lean_ctor_get(x_91, 1);
@@ -1271,7 +1271,7 @@ lean_ctor_set(x_62, 1, x_61);
 x_63 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_63, 0, x_62);
 lean_ctor_set(x_63, 1, x_57);
-x_64 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_36, x_63, x_11, x_12, x_13, x_14, x_15, x_16, x_38);
+x_64 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_36, x_63, x_11, x_12, x_13, x_14, x_15, x_16, x_38);
 x_65 = lean_ctor_get(x_64, 0);
 lean_inc(x_65);
 x_66 = lean_ctor_get(x_64, 1);
@@ -4580,7 +4580,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint
 x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -4615,7 +4615,7 @@ x_22 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -5117,7 +5117,7 @@ lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116;
 x_113 = lean_ctor_get(x_107, 1);
 lean_inc(x_113);
 lean_dec(x_107);
-x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_73, x_4, x_5, x_6, x_7, x_8, x_9, x_113);
+x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_73, x_4, x_5, x_6, x_7, x_8, x_9, x_113);
 x_115 = lean_ctor_get(x_114, 0);
 lean_inc(x_115);
 x_116 = lean_ctor_get(x_114, 1);
@@ -5210,7 +5210,7 @@ x_91 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_92 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_92, 0, x_90);
 lean_ctor_set(x_92, 1, x_91);
-x_93 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_73, x_92, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
+x_93 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_73, x_92, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
 x_94 = lean_ctor_get(x_93, 0);
 lean_inc(x_94);
 x_95 = lean_ctor_get(x_93, 1);
@@ -5427,7 +5427,7 @@ lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint
 x_57 = lean_ctor_get(x_51, 1);
 lean_inc(x_57);
 lean_dec(x_51);
-x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
+x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
 x_59 = lean_ctor_get(x_58, 0);
 lean_inc(x_59);
 x_60 = lean_ctor_get(x_58, 1);
@@ -5474,7 +5474,7 @@ x_44 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_45 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_45, 0, x_43);
 lean_ctor_set(x_45, 1, x_44);
-x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_30, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
+x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_30, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);

stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c

@@ -18,6 +18,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_generateCombinations_x3f(lean_object*, l
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_getNumCandidateArgs___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
@@ -157,7 +158,6 @@ size_t lean_usize_of_nat(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_generateCombinations_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___boxed(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___spec__1___closed__1;
@@ -171,7 +171,6 @@ lean_object* l_Lean_Meta_synthInstance(lean_object*, lean_object*, lean_object*,
 lean_object* l_Lean_Meta_getMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3(lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_main_module(lean_object*);
@@ -236,6 +235,7 @@ LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess_
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_go___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel___rarg___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_elabWFRel_guess___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Elab_WF_getForbiddenByTrivialSizeOf___spec__1___closed__4;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -936,7 +936,7 @@ lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint
 x_48 = lean_ctor_get(x_42, 1);
 lean_inc(x_48);
 lean_dec(x_42);
-x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -997,7 +997,7 @@ x_35 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_34);
 lean_ctor_set(x_36, 1, x_35);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
@@ -10509,7 +10509,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -10554,7 +10554,7 @@ x_36 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_22, x_37, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_22, x_37, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);

stage0/stdlib/Lean/Elab/Quotation.c

@@ -49,6 +49,7 @@ static lean_object* l_Lean_Elab_Term_Quotation_getQuotKind___closed__3;
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalConstCore___at_Lean_Elab_Term_Quotation_getQuotKind___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__23___closed__2;
 static lean_object* l_Lean_Elab_Term_Quotation_stxQuot_expand___closed__21;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Quotation_getQuotKind___closed__29;
 lean_object* l_List_tail_x21___rarg(lean_object*);
 uint8_t l_Lean_Syntax_isTokenAntiquot(lean_object*);
@@ -766,7 +767,6 @@ static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_resolveSectionVariable(lean_object*, lean_object*);
 uint8_t l_List_foldr___at_List_and___spec__1(uint8_t, lean_object*);
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_compileStxMatch___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__17___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__15(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_compileStxMatch___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -865,7 +865,6 @@ static lean_object* l_Lean_Elab_Term_Quotation_stxQuot_expand___closed__49;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__20(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_4922__declRange___closed__1;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__25___closed__48;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getSepStxFromSplice___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1136,6 +1135,7 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_4892____closed__2;
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___at_Lean_Elab_Term_Quotation_ArrayStxBuilder_build___spec__1___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_deduplicate___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__3___rarg___closed__2;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__10___closed__21;
@@ -45234,7 +45234,7 @@ lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint
 x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -45283,7 +45283,7 @@ x_26 = l_Lean_Elab_Term_Quotation_getQuotKind___closed__3;
 x_27 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_27, 0, x_25);
 lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_27, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_27, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
@@ -46022,7 +46022,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -46068,7 +46068,7 @@ lean_ctor_set(x_29, 1, x_27);
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);

stage0/stdlib/Lean/Elab/StructInst.c

@@ -30,6 +30,7 @@ size_t lean_usize_add(size_t, size_t);
 lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstExpectedType_declRange___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandNonAtomicExplicitSources_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_List_tail_x21___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_Field_expr_x3f___default;
@@ -496,7 +497,6 @@ static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructIns
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__2___closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getFieldIdx(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_Struct_structName___boxed(lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__3___closed__8;
@@ -554,7 +554,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructIn
 lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_throwFailedToElabField___rarg___closed__2;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_formatField___closed__1;
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__1___closed__10;
 lean_object* l_List_find_x3f___rarg(lean_object*, lean_object*);
@@ -725,6 +724,7 @@ lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_s
 static lean_object* l_List_mapM___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__8___closed__1;
 LEAN_EXPORT lean_object* l_List_findSomeM_x3f___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandParentFields(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isModifyOp_x3f___spec__3___closed__3;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -5071,7 +5071,7 @@ x_131 = lean_ctor_get(x_125, 1);
 lean_inc(x_131);
 lean_dec(x_125);
 lean_inc(x_13);
-x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_13, x_15, x_16, x_17, x_18, x_19, x_20, x_131);
+x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_13, x_15, x_16, x_17, x_18, x_19, x_20, x_131);
 x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
 x_134 = lean_ctor_get(x_132, 1);
@@ -5116,7 +5116,7 @@ lean_ctor_set(x_118, 1, x_117);
 x_119 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_119, 0, x_118);
 lean_ctor_set(x_119, 1, x_113);
-x_120 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_13, x_119, x_15, x_16, x_17, x_18, x_19, x_20, x_109);
+x_120 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_13, x_119, x_15, x_16, x_17, x_18, x_19, x_20, x_109);
 x_121 = lean_ctor_get(x_120, 0);
 lean_inc(x_121);
 x_122 = lean_ctor_get(x_120, 1);
@@ -5407,7 +5407,7 @@ lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint
 x_84 = lean_ctor_get(x_48, 1);
 lean_inc(x_84);
 lean_dec(x_48);
-x_85 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_84);
+x_85 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_84);
 x_86 = lean_ctor_get(x_85, 0);
 lean_inc(x_86);
 x_87 = lean_ctor_get(x_85, 1);
@@ -5452,7 +5452,7 @@ lean_ctor_set(x_71, 1, x_70);
 x_72 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_72, 0, x_71);
 lean_ctor_set(x_72, 1, x_66);
-x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_47, x_72, x_6, x_7, x_8, x_9, x_10, x_11, x_61);
+x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_47, x_72, x_6, x_7, x_8, x_9, x_10, x_11, x_61);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);
@@ -5663,7 +5663,7 @@ lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204;
 x_201 = lean_ctor_get(x_195, 1);
 lean_inc(x_201);
 lean_dec(x_195);
-x_202 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_177, x_6, x_7, x_8, x_9, x_10, x_11, x_201);
+x_202 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_177, x_6, x_7, x_8, x_9, x_10, x_11, x_201);
 x_203 = lean_ctor_get(x_202, 0);
 lean_inc(x_203);
 x_204 = lean_ctor_get(x_202, 1);
@@ -5707,7 +5707,7 @@ lean_ctor_set(x_188, 1, x_187);
 x_189 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_189, 0, x_188);
 lean_ctor_set(x_189, 1, x_183);
-x_190 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_177, x_189, x_6, x_7, x_8, x_9, x_10, x_11, x_179);
+x_190 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_177, x_189, x_6, x_7, x_8, x_9, x_10, x_11, x_179);
 x_191 = lean_ctor_get(x_190, 0);
 lean_inc(x_191);
 x_192 = lean_ctor_get(x_190, 1);
@@ -18193,7 +18193,7 @@ lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint
 x_68 = lean_ctor_get(x_62, 1);
 lean_inc(x_68);
 lean_dec(x_62);
-x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_41, x_5, x_6, x_7, x_8, x_9, x_10, x_68);
+x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_41, x_5, x_6, x_7, x_8, x_9, x_10, x_68);
 x_70 = lean_ctor_get(x_69, 0);
 lean_inc(x_70);
 x_71 = lean_ctor_get(x_69, 1);
@@ -18249,7 +18249,7 @@ x_55 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_41, x_56, x_5, x_6, x_7, x_8, x_9, x_10, x_43);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_41, x_56, x_5, x_6, x_7, x_8, x_9, x_10, x_43);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -26103,7 +26103,7 @@ x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
 lean_inc(x_3);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -26139,7 +26139,7 @@ x_26 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_27 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_27, 0, x_25);
 lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_3, x_27, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_3, x_27, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
@@ -26262,7 +26262,7 @@ lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint
 x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -26297,7 +26297,7 @@ lean_ctor_set(x_29, 1, x_27);
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);

stage0/stdlib/Lean/Elab/Structure.c

@@ -40,6 +40,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_ge
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectUniversesFromFields_go___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_copyNewFieldsFrom_copyFields_copy___rarg___lambda__3___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectUniversesFromFields_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
@@ -585,7 +586,6 @@ static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Structure
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldKind____x40_Lean_Elab_Structure___hyg_327____closed__5;
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_522____closed__26;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkCoercionToCopiedParent___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -654,7 +654,6 @@ uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabStructure___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectLevelParamsInFVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_toVisibility___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabStructure___lambda__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -880,6 +879,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Structure_0_
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_elabStructureView___spec__4___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkCoercionToCopiedParent___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__6(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_522____closed__16;
 static lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__4___lambda__1___closed__8;
@@ -26707,7 +26707,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_22, x_10, x_11, x_12, x_13, x_14, x_15, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_22, x_10, x_11, x_12, x_13, x_14, x_15, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -26744,7 +26744,7 @@ x_30 = l_Lean_Elab_elabModifiers___at___private_Lean_Elab_Structure_0__Lean_Elab
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_22, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_24);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_22, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_24);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);

stage0/stdlib/Lean/Elab/Tactic/Induction.c

@@ -38,7 +38,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Tacti
 lean_object* lean_erase_macro_scopes(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalInduction___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___closed__6;
@@ -355,6 +355,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Tacti
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_isMultiAlt___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_generalizeVars___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_expandInductionAlts_x3f___spec__1(lean_object*, size_t, size_t);
@@ -579,7 +580,6 @@ static lean_object* l_Lean_resolveGlobalConst___at___private_Lean_Elab_Tactic_In
 lean_object* l_Lean_indentExpr(lean_object*);
 static lean_object* l_Lean_resolveGlobalConst___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__3___closed__1;
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
-static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_evalAlts_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalInduction_checkTargets(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -21129,7 +21129,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1() {
+static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -21139,11 +21139,11 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1;
+x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 if (lean_obj_tag(x_3) == 0)
 {
@@ -21528,9 +21528,9 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___close
 res = l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1();
-lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1);
-res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_io_mk_world());
+l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1);
+res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));

stage0/stdlib/Lean/Meta/Basic.c

@@ -33,6 +33,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewMCtxDep
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux___rarg(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_liftMkBindingM___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* lean_io_get_num_heartbeats(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Meta_normalizeLevel___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cache_synthInstance___default;
@@ -211,6 +212,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isLevelDefEq
 LEAN_EXPORT lean_object* l_Lean_Meta_instInhabitedPostponedEntry;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewLocalInstancesImpAux(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_approxDefEqImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__10(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Config_etaStruct___default;
@@ -277,6 +279,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_mkFreshTypeMVar___boxed(lean_object*, lean_
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cache_synthInstance___default___closed__1;
 extern lean_object* l_Lean_maxRecDepth;
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_is_level_def_eq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMonadBacktrackSavedStateMetaM___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -660,6 +663,7 @@ lean_object* lean_environment_main_module(lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedState___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls_loop___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
+uint8_t l_Lean_Expr_isMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_abstractRange___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_processPostponed_loop(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___lambda__3___closed__6;
@@ -727,6 +731,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Ba
 LEAN_EXPORT lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Meta_Basic_0__Lean_Meta_getConstTemp_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_addDecl(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateLambdaAux___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedMetaM___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getLocalDeclFromUserName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_collectForwardDeps(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -762,7 +767,7 @@ static lean_object* l_Lean_Meta_processPostponed_loop___closed__4;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_approxDefEqImp(lean_object*);
 lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMCtxMetaM___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_resettingSynthInstanceCacheWhen(lean_object*);
@@ -964,6 +969,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMetaM___lambda__1___boxed(lean_obj
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_isClassImp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getFVarLocalDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp_process___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_throwUnknownFVar___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_findLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_getResetTraces___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__7___rarg___boxed(lean_object*, lean_object*);
@@ -7524,6 +7530,199 @@ lean_dec(x_2);
 return x_7;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_getMVarDecl(x_1, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_7) == 0)
+{
+uint8_t x_8; 
+x_8 = !lean_is_exclusive(x_7);
+if (x_8 == 0)
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; 
+x_9 = lean_ctor_get(x_7, 0);
+x_10 = lean_ctor_get_uint8(x_9, sizeof(void*)*7);
+lean_dec(x_9);
+x_11 = lean_box(x_10);
+lean_ctor_set(x_7, 0, x_11);
+return x_7;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_ctor_get(x_7, 0);
+x_13 = lean_ctor_get(x_7, 1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_7);
+x_14 = lean_ctor_get_uint8(x_12, sizeof(void*)*7);
+lean_dec(x_12);
+x_15 = lean_box(x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_13);
+return x_16;
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_7);
+if (x_17 == 0)
+{
+return x_7;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_7, 0);
+x_19 = lean_ctor_get(x_7, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_7);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_getMVarDeclKind(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; 
+x_7 = l_Lean_Expr_isMVar(x_1);
+if (x_7 == 0)
+{
+uint8_t x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = 0;
+x_9 = lean_box(x_8);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_10, 1, x_6);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = l_Lean_Expr_mvarId_x21(x_1);
+x_12 = l_Lean_Meta_getMVarDeclKind(x_11, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_12);
+if (x_14 == 0)
+{
+lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_15);
+x_16 = 0;
+x_17 = lean_box(x_16);
+lean_ctor_set(x_12, 0, x_17);
+return x_12;
+}
+else
+{
+lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_12, 1);
+lean_inc(x_18);
+lean_dec(x_12);
+x_19 = 0;
+x_20 = lean_box(x_19);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_18);
+return x_21;
+}
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_13);
+x_22 = !lean_is_exclusive(x_12);
+if (x_22 == 0)
+{
+lean_object* x_23; uint8_t x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_12, 0);
+lean_dec(x_23);
+x_24 = 1;
+x_25 = lean_box(x_24);
+lean_ctor_set(x_12, 0, x_25);
+return x_12;
+}
+else
+{
+lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
+x_26 = lean_ctor_get(x_12, 1);
+lean_inc(x_26);
+lean_dec(x_12);
+x_27 = 1;
+x_28 = lean_box(x_27);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_26);
+return x_29;
+}
+}
+}
+else
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_12);
+if (x_30 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_12, 0);
+x_32 = lean_ctor_get(x_12, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_12);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_isSyntheticMVar(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_7;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_setMVarKind(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -45329,7 +45528,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -45814,7 +46013,7 @@ l_Lean_Meta_isExprDefEq___closed__1 = _init_l_Lean_Meta_isExprDefEq___closed__1(
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__1);
 l_Lean_Meta_isExprDefEq___closed__2 = _init_l_Lean_Meta_isExprDefEq___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__2);
-res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_io_mk_world());
+res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));

stage0/stdlib/Lean/Meta/CollectMVars.c

@@ -22,6 +22,7 @@ uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -530,7 +531,7 @@ goto _start;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; size_t x_28; size_t x_29; lean_object* x_30; 
 x_22 = lean_ctor_get(x_15, 1);
 lean_inc(x_22);
 lean_dec(x_15);
@@ -540,16 +541,17 @@ lean_dec(x_16);
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = l_Lean_Meta_collectMVars(x_24, x_5, x_6, x_7, x_8, x_9, x_22);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = 1;
-x_28 = lean_usize_add(x_3, x_27);
-x_29 = lean_box(0);
-x_3 = x_28;
-x_4 = x_29;
-x_10 = x_26;
+x_25 = l_Lean_mkMVar(x_24);
+x_26 = l_Lean_Meta_collectMVars(x_25, x_5, x_6, x_7, x_8, x_9, x_22);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = 1;
+x_29 = lean_usize_add(x_3, x_28);
+x_30 = lean_box(0);
+x_3 = x_29;
+x_4 = x_30;
+x_10 = x_27;
 goto _start;
 }
 }

stage0/stdlib/Lean/Meta/LevelDefEq.c

@@ -2187,7 +2187,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);

stage0/stdlib/Lean/Meta/SynthInstance.c

@@ -362,7 +362,7 @@ LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Meta_SynthInstance_f
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_6_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_33_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_object*);
 static lean_object* l_Lean_Meta_SynthInstance_MkTableKey_State_lmap___default___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getNextToResume___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1390,7 +1390,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -23310,181 +23310,183 @@ lean_inc(x_19);
 x_20 = !lean_is_exclusive(x_12);
 if (x_20 == 0)
 {
-uint8_t x_21; lean_object* x_22; lean_object* x_23; 
+uint8_t x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
 x_21 = 1;
+x_22 = 1;
 lean_ctor_set_uint8(x_12, 5, x_21);
-x_22 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_22, 0, x_12);
-lean_ctor_set(x_22, 1, x_15);
-lean_ctor_set(x_22, 2, x_16);
-lean_ctor_set(x_22, 3, x_17);
-lean_ctor_set(x_22, 4, x_18);
-lean_ctor_set(x_22, 5, x_19);
+lean_ctor_set_uint8(x_12, 10, x_22);
+x_23 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_23, 0, x_12);
+lean_ctor_set(x_23, 1, x_15);
+lean_ctor_set(x_23, 2, x_16);
+lean_ctor_set(x_23, 3, x_17);
+lean_ctor_set(x_23, 4, x_18);
+lean_ctor_set(x_23, 5, x_19);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_13);
 lean_inc(x_2);
-x_23 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_22, x_7, x_8, x_9, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_24 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_23, x_7, x_8, x_9, x_14);
+if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_unbox(x_25);
+lean_dec(x_25);
+if (x_26 == 0)
 {
-lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
 lean_dec(x_1);
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_45 = lean_st_ref_get(x_9, x_26);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_46, 3);
+x_27 = lean_ctor_get(x_24, 1);
+lean_inc(x_27);
+lean_dec(x_24);
+x_46 = lean_st_ref_get(x_9, x_27);
+x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
-lean_dec(x_46);
-x_48 = lean_ctor_get_uint8(x_47, sizeof(void*)*1);
+x_48 = lean_ctor_get(x_47, 3);
+lean_inc(x_48);
 lean_dec(x_47);
-if (x_48 == 0)
+x_49 = lean_ctor_get_uint8(x_48, sizeof(void*)*1);
+lean_dec(x_48);
+if (x_49 == 0)
 {
-lean_object* x_49; uint8_t x_50; 
-x_49 = lean_ctor_get(x_45, 1);
-lean_inc(x_49);
-lean_dec(x_45);
-x_50 = 0;
-x_27 = x_50;
-x_28 = x_49;
-goto block_44;
+lean_object* x_50; uint8_t x_51; 
+x_50 = lean_ctor_get(x_46, 1);
+lean_inc(x_50);
+lean_dec(x_46);
+x_51 = 0;
+x_28 = x_51;
+x_29 = x_50;
+goto block_45;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-x_51 = lean_ctor_get(x_45, 1);
-lean_inc(x_51);
-lean_dec(x_45);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_52 = lean_ctor_get(x_46, 1);
+lean_inc(x_52);
+lean_dec(x_46);
 lean_inc(x_4);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_52);
+x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
-lean_dec(x_52);
-x_55 = lean_unbox(x_53);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
 lean_dec(x_53);
-x_27 = x_55;
-x_28 = x_54;
-goto block_44;
+x_56 = lean_unbox(x_54);
+lean_dec(x_54);
+x_28 = x_56;
+x_29 = x_55;
+goto block_45;
 }
-block_44:
+block_45:
 {
-if (x_27 == 0)
+if (x_28 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
+lean_object* x_30; lean_object* x_31; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_29 = lean_box(0);
-x_30 = lean_apply_6(x_3, x_29, x_6, x_7, x_8, x_9, x_28);
-return x_30;
+x_30 = lean_box(0);
+x_31 = lean_apply_6(x_3, x_30, x_6, x_7, x_8, x_9, x_29);
+return x_31;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_31 = l_Lean_indentExpr(x_13);
-x_32 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-x_34 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
-x_35 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Lean_indentExpr(x_2);
-x_37 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
-x_39 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_28);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-lean_dec(x_40);
-x_42 = lean_box(0);
-x_43 = lean_apply_6(x_3, x_42, x_6, x_7, x_8, x_9, x_41);
-return x_43;
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_32 = l_Lean_indentExpr(x_13);
+x_33 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_32);
+x_35 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = l_Lean_indentExpr(x_2);
+x_38 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
+x_40 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+x_41 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_40, x_6, x_7, x_8, x_9, x_29);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_box(0);
+x_44 = lean_apply_6(x_3, x_43, x_6, x_7, x_8, x_9, x_42);
+return x_44;
 }
 }
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_56 = lean_ctor_get(x_23, 1);
-lean_inc(x_56);
-lean_dec(x_23);
-x_57 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_56);
-x_58 = lean_ctor_get(x_57, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
+x_57 = lean_ctor_get(x_24, 1);
+lean_inc(x_57);
+lean_dec(x_24);
+x_58 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_57);
+x_59 = lean_ctor_get(x_58, 0);
 lean_inc(x_59);
-lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_58);
-x_60 = l_Lean_Meta_check(x_58, x_6, x_7, x_8, x_9, x_59);
-if (lean_obj_tag(x_60) == 0)
+lean_inc(x_59);
+x_61 = l_Lean_Meta_check(x_59, x_6, x_7, x_8, x_9, x_60);
+if (lean_obj_tag(x_61) == 0)
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-lean_dec(x_60);
-x_62 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_62, 0, x_58);
-x_63 = lean_apply_6(x_3, x_62, x_6, x_7, x_8, x_9, x_61);
-return x_63;
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+lean_dec(x_61);
+x_63 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_63, 0, x_59);
+x_64 = lean_apply_6(x_3, x_63, x_6, x_7, x_8, x_9, x_62);
+return x_64;
 }
 else
 {
-uint8_t x_64; 
-lean_dec(x_58);
+uint8_t x_65; 
+lean_dec(x_59);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
-x_64 = !lean_is_exclusive(x_60);
-if (x_64 == 0)
+x_65 = !lean_is_exclusive(x_61);
+if (x_65 == 0)
 {
-return x_60;
+return x_61;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_65 = lean_ctor_get(x_60, 0);
-x_66 = lean_ctor_get(x_60, 1);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_61, 0);
+x_67 = lean_ctor_get(x_61, 1);
+lean_inc(x_67);
 lean_inc(x_66);
-lean_inc(x_65);
-lean_dec(x_60);
-x_67 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_67, 0, x_65);
-lean_ctor_set(x_67, 1, x_66);
-return x_67;
+lean_dec(x_61);
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
 }
 else
 {
-uint8_t x_68; 
+uint8_t x_69; 
 lean_dec(x_13);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -23494,233 +23496,233 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_68 = !lean_is_exclusive(x_23);
-if (x_68 == 0)
+x_69 = !lean_is_exclusive(x_24);
+if (x_69 == 0)
 {
-return x_23;
+return x_24;
 }
 else
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_69 = lean_ctor_get(x_23, 0);
-x_70 = lean_ctor_get(x_23, 1);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_70 = lean_ctor_get(x_24, 0);
+x_71 = lean_ctor_get(x_24, 1);
+lean_inc(x_71);
 lean_inc(x_70);
-lean_inc(x_69);
-lean_dec(x_23);
-x_71 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_71, 0, x_69);
-lean_ctor_set(x_71, 1, x_70);
-return x_71;
+lean_dec(x_24);
+x_72 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_72, 0, x_70);
+lean_ctor_set(x_72, 1, x_71);
+return x_72;
 }
 }
 }
 else
 {
-uint8_t x_72; uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; uint8_t x_81; uint8_t x_82; uint8_t x_83; uint8_t x_84; uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_72 = lean_ctor_get_uint8(x_12, 0);
-x_73 = lean_ctor_get_uint8(x_12, 1);
-x_74 = lean_ctor_get_uint8(x_12, 2);
-x_75 = lean_ctor_get_uint8(x_12, 3);
-x_76 = lean_ctor_get_uint8(x_12, 4);
-x_77 = lean_ctor_get_uint8(x_12, 6);
-x_78 = lean_ctor_get_uint8(x_12, 7);
-x_79 = lean_ctor_get_uint8(x_12, 8);
-x_80 = lean_ctor_get_uint8(x_12, 9);
-x_81 = lean_ctor_get_uint8(x_12, 10);
+uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; uint8_t x_81; uint8_t x_82; uint8_t x_83; uint8_t x_84; uint8_t x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_73 = lean_ctor_get_uint8(x_12, 0);
+x_74 = lean_ctor_get_uint8(x_12, 1);
+x_75 = lean_ctor_get_uint8(x_12, 2);
+x_76 = lean_ctor_get_uint8(x_12, 3);
+x_77 = lean_ctor_get_uint8(x_12, 4);
+x_78 = lean_ctor_get_uint8(x_12, 6);
+x_79 = lean_ctor_get_uint8(x_12, 7);
+x_80 = lean_ctor_get_uint8(x_12, 8);
+x_81 = lean_ctor_get_uint8(x_12, 9);
 x_82 = lean_ctor_get_uint8(x_12, 11);
 x_83 = lean_ctor_get_uint8(x_12, 12);
 x_84 = lean_ctor_get_uint8(x_12, 13);
 lean_dec(x_12);
 x_85 = 1;
-x_86 = lean_alloc_ctor(0, 0, 14);
-lean_ctor_set_uint8(x_86, 0, x_72);
-lean_ctor_set_uint8(x_86, 1, x_73);
-lean_ctor_set_uint8(x_86, 2, x_74);
-lean_ctor_set_uint8(x_86, 3, x_75);
-lean_ctor_set_uint8(x_86, 4, x_76);
-lean_ctor_set_uint8(x_86, 5, x_85);
-lean_ctor_set_uint8(x_86, 6, x_77);
-lean_ctor_set_uint8(x_86, 7, x_78);
-lean_ctor_set_uint8(x_86, 8, x_79);
-lean_ctor_set_uint8(x_86, 9, x_80);
-lean_ctor_set_uint8(x_86, 10, x_81);
-lean_ctor_set_uint8(x_86, 11, x_82);
-lean_ctor_set_uint8(x_86, 12, x_83);
-lean_ctor_set_uint8(x_86, 13, x_84);
-x_87 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_87, 1, x_15);
-lean_ctor_set(x_87, 2, x_16);
-lean_ctor_set(x_87, 3, x_17);
-lean_ctor_set(x_87, 4, x_18);
-lean_ctor_set(x_87, 5, x_19);
+x_86 = 1;
+x_87 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_87, 0, x_73);
+lean_ctor_set_uint8(x_87, 1, x_74);
+lean_ctor_set_uint8(x_87, 2, x_75);
+lean_ctor_set_uint8(x_87, 3, x_76);
+lean_ctor_set_uint8(x_87, 4, x_77);
+lean_ctor_set_uint8(x_87, 5, x_85);
+lean_ctor_set_uint8(x_87, 6, x_78);
+lean_ctor_set_uint8(x_87, 7, x_79);
+lean_ctor_set_uint8(x_87, 8, x_80);
+lean_ctor_set_uint8(x_87, 9, x_81);
+lean_ctor_set_uint8(x_87, 10, x_86);
+lean_ctor_set_uint8(x_87, 11, x_82);
+lean_ctor_set_uint8(x_87, 12, x_83);
+lean_ctor_set_uint8(x_87, 13, x_84);
+x_88 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_15);
+lean_ctor_set(x_88, 2, x_16);
+lean_ctor_set(x_88, 3, x_17);
+lean_ctor_set(x_88, 4, x_18);
+lean_ctor_set(x_88, 5, x_19);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_13);
 lean_inc(x_2);
-x_88 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_87, x_7, x_8, x_9, x_14);
-if (lean_obj_tag(x_88) == 0)
+x_89 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_88, x_7, x_8, x_9, x_14);
+if (lean_obj_tag(x_89) == 0)
 {
-lean_object* x_89; uint8_t x_90; 
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_unbox(x_89);
-lean_dec(x_89);
-if (x_90 == 0)
+lean_object* x_90; uint8_t x_91; 
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_unbox(x_90);
+lean_dec(x_90);
+if (x_91 == 0)
 {
-lean_object* x_91; uint8_t x_92; lean_object* x_93; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+lean_object* x_92; uint8_t x_93; lean_object* x_94; lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
 lean_dec(x_1);
-x_91 = lean_ctor_get(x_88, 1);
-lean_inc(x_91);
-lean_dec(x_88);
-x_110 = lean_st_ref_get(x_9, x_91);
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_111, 3);
+x_92 = lean_ctor_get(x_89, 1);
+lean_inc(x_92);
+lean_dec(x_89);
+x_111 = lean_st_ref_get(x_9, x_92);
+x_112 = lean_ctor_get(x_111, 0);
 lean_inc(x_112);
-lean_dec(x_111);
-x_113 = lean_ctor_get_uint8(x_112, sizeof(void*)*1);
+x_113 = lean_ctor_get(x_112, 3);
+lean_inc(x_113);
 lean_dec(x_112);
-if (x_113 == 0)
+x_114 = lean_ctor_get_uint8(x_113, sizeof(void*)*1);
+lean_dec(x_113);
+if (x_114 == 0)
 {
-lean_object* x_114; uint8_t x_115; 
-x_114 = lean_ctor_get(x_110, 1);
-lean_inc(x_114);
-lean_dec(x_110);
-x_115 = 0;
-x_92 = x_115;
-x_93 = x_114;
-goto block_109;
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_ctor_get(x_111, 1);
+lean_inc(x_115);
+lean_dec(x_111);
+x_116 = 0;
+x_93 = x_116;
+x_94 = x_115;
+goto block_110;
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_116 = lean_ctor_get(x_110, 1);
-lean_inc(x_116);
-lean_dec(x_110);
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
+x_117 = lean_ctor_get(x_111, 1);
+lean_inc(x_117);
+lean_dec(x_111);
 lean_inc(x_4);
-x_117 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_116);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
+x_118 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_117);
+x_119 = lean_ctor_get(x_118, 0);
 lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
+x_120 = lean_ctor_get(x_118, 1);
+lean_inc(x_120);
 lean_dec(x_118);
-x_92 = x_120;
-x_93 = x_119;
-goto block_109;
+x_121 = lean_unbox(x_119);
+lean_dec(x_119);
+x_93 = x_121;
+x_94 = x_120;
+goto block_110;
 }
-block_109:
+block_110:
 {
-if (x_92 == 0)
+if (x_93 == 0)
 {
-lean_object* x_94; lean_object* x_95; 
+lean_object* x_95; lean_object* x_96; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_94 = lean_box(0);
-x_95 = lean_apply_6(x_3, x_94, x_6, x_7, x_8, x_9, x_93);
-return x_95;
+x_95 = lean_box(0);
+x_96 = lean_apply_6(x_3, x_95, x_6, x_7, x_8, x_9, x_94);
+return x_96;
 }
 else
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_96 = l_Lean_indentExpr(x_13);
-x_97 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
-x_98 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_96);
-x_99 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
-x_100 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_100, 0, x_98);
-lean_ctor_set(x_100, 1, x_99);
-x_101 = l_Lean_indentExpr(x_2);
-x_102 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_102, 0, x_100);
-lean_ctor_set(x_102, 1, x_101);
-x_103 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
-x_104 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-x_105 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_104, x_6, x_7, x_8, x_9, x_93);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_107 = lean_box(0);
-x_108 = lean_apply_6(x_3, x_107, x_6, x_7, x_8, x_9, x_106);
-return x_108;
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_97 = l_Lean_indentExpr(x_13);
+x_98 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
+x_99 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_99, 0, x_98);
+lean_ctor_set(x_99, 1, x_97);
+x_100 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
+x_101 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+x_102 = l_Lean_indentExpr(x_2);
+x_103 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+x_104 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
+x_105 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+x_106 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_105, x_6, x_7, x_8, x_9, x_94);
+x_107 = lean_ctor_get(x_106, 1);
+lean_inc(x_107);
+lean_dec(x_106);
+x_108 = lean_box(0);
+x_109 = lean_apply_6(x_3, x_108, x_6, x_7, x_8, x_9, x_107);
+return x_109;
 }
 }
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_121 = lean_ctor_get(x_88, 1);
-lean_inc(x_121);
-lean_dec(x_88);
-x_122 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_121);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_122, 1);
+x_122 = lean_ctor_get(x_89, 1);
+lean_inc(x_122);
+lean_dec(x_89);
+x_123 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_122);
+x_124 = lean_ctor_get(x_123, 0);
 lean_inc(x_124);
-lean_dec(x_122);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_123);
-x_125 = l_Lean_Meta_check(x_123, x_6, x_7, x_8, x_9, x_124);
-if (lean_obj_tag(x_125) == 0)
+lean_inc(x_124);
+x_126 = l_Lean_Meta_check(x_124, x_6, x_7, x_8, x_9, x_125);
+if (lean_obj_tag(x_126) == 0)
 {
-lean_object* x_126; lean_object* x_127; lean_object* x_128; 
-x_126 = lean_ctor_get(x_125, 1);
-lean_inc(x_126);
-lean_dec(x_125);
-x_127 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_127, 0, x_123);
-x_128 = lean_apply_6(x_3, x_127, x_6, x_7, x_8, x_9, x_126);
-return x_128;
+lean_object* x_127; lean_object* x_128; lean_object* x_129; 
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+lean_dec(x_126);
+x_128 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_128, 0, x_124);
+x_129 = lean_apply_6(x_3, x_128, x_6, x_7, x_8, x_9, x_127);
+return x_129;
 }
 else
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-lean_dec(x_123);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
+lean_dec(x_124);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
-x_129 = lean_ctor_get(x_125, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_125, 1);
+x_130 = lean_ctor_get(x_126, 0);
 lean_inc(x_130);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- x_131 = x_125;
+x_131 = lean_ctor_get(x_126, 1);
+lean_inc(x_131);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_132 = x_126;
 } else {
- lean_dec_ref(x_125);
- x_131 = lean_box(0);
+ lean_dec_ref(x_126);
+ x_132 = lean_box(0);
 }
-if (lean_is_scalar(x_131)) {
- x_132 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_132)) {
+ x_133 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_132 = x_131;
+ x_133 = x_132;
 }
-lean_ctor_set(x_132, 0, x_129);
-lean_ctor_set(x_132, 1, x_130);
-return x_132;
+lean_ctor_set(x_133, 0, x_130);
+lean_ctor_set(x_133, 1, x_131);
+return x_133;
 }
 }
 }
 else
 {
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
 lean_dec(x_13);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -23730,32 +23732,32 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_133 = lean_ctor_get(x_88, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_88, 1);
+x_134 = lean_ctor_get(x_89, 0);
 lean_inc(x_134);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_135 = x_88;
+x_135 = lean_ctor_get(x_89, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_136 = x_89;
 } else {
- lean_dec_ref(x_88);
- x_135 = lean_box(0);
+ lean_dec_ref(x_89);
+ x_136 = lean_box(0);
 }
-if (lean_is_scalar(x_135)) {
- x_136 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_136 = x_135;
+ x_137 = x_136;
 }
-lean_ctor_set(x_136, 0, x_133);
-lean_ctor_set(x_136, 1, x_134);
-return x_136;
+lean_ctor_set(x_137, 0, x_134);
+lean_ctor_set(x_137, 1, x_135);
+return x_137;
 }
 }
 }
 else
 {
-uint8_t x_137; 
+uint8_t x_138; 
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -23764,23 +23766,23 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_137 = !lean_is_exclusive(x_11);
-if (x_137 == 0)
+x_138 = !lean_is_exclusive(x_11);
+if (x_138 == 0)
 {
 return x_11;
 }
 else
 {
-lean_object* x_138; lean_object* x_139; lean_object* x_140; 
-x_138 = lean_ctor_get(x_11, 0);
-x_139 = lean_ctor_get(x_11, 1);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+x_139 = lean_ctor_get(x_11, 0);
+x_140 = lean_ctor_get(x_11, 1);
+lean_inc(x_140);
 lean_inc(x_139);
-lean_inc(x_138);
 lean_dec(x_11);
-x_140 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_140, 0, x_138);
-lean_ctor_set(x_140, 1, x_139);
-return x_140;
+x_141 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_140);
+return x_141;
 }
 }
 }
@@ -27408,7 +27410,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -28064,7 +28066,7 @@ l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___c
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__5);
 l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6 = _init_l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6();
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));

stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c

@@ -3246,7 +3246,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);

stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c

@@ -4821,7 +4821,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);

stage0/stdlib/Lean/Meta/WHNF.c

@@ -76,6 +76,7 @@ static lean_object* l_Lean_Meta_reduceBinNatOp___closed__14;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__23;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 size_t lean_usize_sub(size_t, size_t);
 lean_object* lean_environment_find(lean_object*, lean_object*);
@@ -335,7 +336,7 @@ LEAN_EXPORT lean_object* l_Lean_evalConstCheck___at_Lean_Meta_reduceBoolNativeUn
 extern lean_object* l_Lean_projectionFnInfoExt;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__9;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_32_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfUntil___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceRecMatcher_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -11729,309 +11730,312 @@ x_35 = lean_array_get_size(x_25);
 x_36 = lean_nat_dec_lt(x_34, x_35);
 if (x_36 == 0)
 {
-lean_object* x_37; uint8_t x_38; 
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_free_object(x_12);
-x_37 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_26, x_3, x_4, x_5, x_6, x_23);
-x_38 = !lean_is_exclusive(x_37);
-if (x_38 == 0)
+x_37 = l_Lean_mkMVar(x_26);
+x_38 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_37, x_3, x_4, x_5, x_6, x_23);
+x_39 = !lean_is_exclusive(x_38);
+if (x_39 == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_37, 0);
-x_40 = l_Lean_Expr_hasExprMVar(x_39);
-if (x_40 == 0)
+lean_object* x_40; uint8_t x_41; 
+x_40 = lean_ctor_get(x_38, 0);
+x_41 = l_Lean_Expr_hasExprMVar(x_40);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_expr_abstract(x_39, x_25);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_expr_abstract(x_40, x_25);
 lean_dec(x_25);
-lean_dec(x_39);
-x_42 = lean_expr_instantiate_rev_range(x_41, x_27, x_35, x_33);
-lean_dec(x_41);
-x_43 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_42);
+lean_dec(x_40);
+x_43 = lean_expr_instantiate_rev_range(x_42, x_27, x_35, x_33);
+lean_dec(x_42);
+x_44 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_43);
 lean_dec(x_33);
 lean_dec(x_34);
-lean_ctor_set(x_13, 0, x_43);
-lean_ctor_set(x_37, 0, x_13);
-return x_37;
+lean_ctor_set(x_13, 0, x_44);
+lean_ctor_set(x_38, 0, x_13);
+return x_38;
 }
 else
 {
-lean_object* x_44; 
-lean_dec(x_39);
+lean_object* x_45; 
+lean_dec(x_40);
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_44 = lean_box(0);
-lean_ctor_set(x_37, 0, x_44);
-return x_37;
+x_45 = lean_box(0);
+lean_ctor_set(x_38, 0, x_45);
+return x_38;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_45 = lean_ctor_get(x_37, 0);
-x_46 = lean_ctor_get(x_37, 1);
+lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_46 = lean_ctor_get(x_38, 0);
+x_47 = lean_ctor_get(x_38, 1);
+lean_inc(x_47);
 lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_37);
-x_47 = l_Lean_Expr_hasExprMVar(x_45);
-if (x_47 == 0)
+lean_dec(x_38);
+x_48 = l_Lean_Expr_hasExprMVar(x_46);
+if (x_48 == 0)
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_48 = lean_expr_abstract(x_45, x_25);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_49 = lean_expr_abstract(x_46, x_25);
 lean_dec(x_25);
-lean_dec(x_45);
-x_49 = lean_expr_instantiate_rev_range(x_48, x_27, x_35, x_33);
-lean_dec(x_48);
-x_50 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_49);
+lean_dec(x_46);
+x_50 = lean_expr_instantiate_rev_range(x_49, x_27, x_35, x_33);
+lean_dec(x_49);
+x_51 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_50);
 lean_dec(x_33);
 lean_dec(x_34);
-lean_ctor_set(x_13, 0, x_50);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_13);
-lean_ctor_set(x_51, 1, x_46);
-return x_51;
+lean_ctor_set(x_13, 0, x_51);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_13);
+lean_ctor_set(x_52, 1, x_47);
+return x_52;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; 
-lean_dec(x_45);
+lean_object* x_53; lean_object* x_54; 
+lean_dec(x_46);
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_52 = lean_box(0);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_46);
-return x_53;
+x_53 = lean_box(0);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_47);
+return x_54;
 }
 }
 }
 else
 {
-lean_object* x_54; 
+lean_object* x_55; 
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_26);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_54 = lean_box(0);
-lean_ctor_set(x_12, 0, x_54);
+x_55 = lean_box(0);
+lean_ctor_set(x_12, 0, x_55);
 return x_12;
 }
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
-x_55 = lean_ctor_get(x_13, 0);
-x_56 = lean_ctor_get(x_12, 1);
-lean_inc(x_56);
-lean_dec(x_12);
-x_57 = lean_ctor_get(x_55, 0);
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+x_56 = lean_ctor_get(x_13, 0);
+x_57 = lean_ctor_get(x_12, 1);
 lean_inc(x_57);
-x_58 = lean_ctor_get(x_55, 1);
+lean_dec(x_12);
+x_58 = lean_ctor_get(x_56, 0);
 lean_inc(x_58);
-lean_dec(x_55);
-x_59 = lean_unsigned_to_nat(0u);
-x_60 = l_Lean_Expr_getAppNumArgsAux(x_2, x_59);
-x_61 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
-lean_inc(x_60);
-x_62 = lean_mk_array(x_60, x_61);
-x_63 = lean_unsigned_to_nat(1u);
-x_64 = lean_nat_sub(x_60, x_63);
-lean_dec(x_60);
-x_65 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_62, x_64);
-x_66 = lean_array_get_size(x_65);
-x_67 = lean_array_get_size(x_57);
-x_68 = lean_nat_dec_lt(x_66, x_67);
-if (x_68 == 0)
+x_59 = lean_ctor_get(x_56, 1);
+lean_inc(x_59);
+lean_dec(x_56);
+x_60 = lean_unsigned_to_nat(0u);
+x_61 = l_Lean_Expr_getAppNumArgsAux(x_2, x_60);
+x_62 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+lean_inc(x_61);
+x_63 = lean_mk_array(x_61, x_62);
+x_64 = lean_unsigned_to_nat(1u);
+x_65 = lean_nat_sub(x_61, x_64);
+lean_dec(x_61);
+x_66 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_63, x_65);
+x_67 = lean_array_get_size(x_66);
+x_68 = lean_array_get_size(x_58);
+x_69 = lean_nat_dec_lt(x_67, x_68);
+if (x_69 == 0)
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; 
-x_69 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_58, x_3, x_4, x_5, x_6, x_56);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
-lean_inc(x_71);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- x_72 = x_69;
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
+x_70 = l_Lean_mkMVar(x_59);
+x_71 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_70, x_3, x_4, x_5, x_6, x_57);
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+if (lean_is_exclusive(x_71)) {
+ lean_ctor_release(x_71, 0);
+ lean_ctor_release(x_71, 1);
+ x_74 = x_71;
 } else {
- lean_dec_ref(x_69);
- x_72 = lean_box(0);
+ lean_dec_ref(x_71);
+ x_74 = lean_box(0);
 }
-x_73 = l_Lean_Expr_hasExprMVar(x_70);
-if (x_73 == 0)
+x_75 = l_Lean_Expr_hasExprMVar(x_72);
+if (x_75 == 0)
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_74 = lean_expr_abstract(x_70, x_57);
-lean_dec(x_57);
-lean_dec(x_70);
-x_75 = lean_expr_instantiate_rev_range(x_74, x_59, x_67, x_65);
-lean_dec(x_74);
-x_76 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_66, x_65, x_67, x_75);
-lean_dec(x_65);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_76 = lean_expr_abstract(x_72, x_58);
+lean_dec(x_58);
+lean_dec(x_72);
+x_77 = lean_expr_instantiate_rev_range(x_76, x_60, x_68, x_66);
+lean_dec(x_76);
+x_78 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_67, x_66, x_68, x_77);
 lean_dec(x_66);
-lean_ctor_set(x_13, 0, x_76);
-if (lean_is_scalar(x_72)) {
- x_77 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_77 = x_72;
-}
-lean_ctor_set(x_77, 0, x_13);
-lean_ctor_set(x_77, 1, x_71);
-return x_77;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; 
-lean_dec(x_70);
 lean_dec(x_67);
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_57);
-lean_free_object(x_13);
-x_78 = lean_box(0);
-if (lean_is_scalar(x_72)) {
+lean_ctor_set(x_13, 0, x_78);
+if (lean_is_scalar(x_74)) {
  x_79 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_79 = x_72;
+ x_79 = x_74;
 }
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_71);
+lean_ctor_set(x_79, 0, x_13);
+lean_ctor_set(x_79, 1, x_73);
 return x_79;
 }
-}
 else
 {
 lean_object* x_80; lean_object* x_81; 
+lean_dec(x_72);
+lean_dec(x_68);
 lean_dec(x_67);
 lean_dec(x_66);
-lean_dec(x_65);
 lean_dec(x_58);
-lean_dec(x_57);
 lean_free_object(x_13);
 x_80 = lean_box(0);
-x_81 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_74)) {
+ x_81 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_81 = x_74;
+}
 lean_ctor_set(x_81, 0, x_80);
-lean_ctor_set(x_81, 1, x_56);
+lean_ctor_set(x_81, 1, x_73);
 return x_81;
 }
 }
+else
+{
+lean_object* x_82; lean_object* x_83; 
+lean_dec(x_68);
+lean_dec(x_67);
+lean_dec(x_66);
+lean_dec(x_59);
+lean_dec(x_58);
+lean_free_object(x_13);
+x_82 = lean_box(0);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_82);
+lean_ctor_set(x_83, 1, x_57);
+return x_83;
+}
+}
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; 
-x_82 = lean_ctor_get(x_13, 0);
-lean_inc(x_82);
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_84 = lean_ctor_get(x_13, 0);
+lean_inc(x_84);
 lean_dec(x_13);
-x_83 = lean_ctor_get(x_12, 1);
-lean_inc(x_83);
+x_85 = lean_ctor_get(x_12, 1);
+lean_inc(x_85);
 if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 0);
  lean_ctor_release(x_12, 1);
- x_84 = x_12;
+ x_86 = x_12;
 } else {
  lean_dec_ref(x_12);
- x_84 = lean_box(0);
+ x_86 = lean_box(0);
 }
-x_85 = lean_ctor_get(x_82, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_82, 1);
-lean_inc(x_86);
-lean_dec(x_82);
-x_87 = lean_unsigned_to_nat(0u);
-x_88 = l_Lean_Expr_getAppNumArgsAux(x_2, x_87);
-x_89 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+x_87 = lean_ctor_get(x_84, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_84, 1);
 lean_inc(x_88);
-x_90 = lean_mk_array(x_88, x_89);
-x_91 = lean_unsigned_to_nat(1u);
-x_92 = lean_nat_sub(x_88, x_91);
-lean_dec(x_88);
-x_93 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_90, x_92);
-x_94 = lean_array_get_size(x_93);
-x_95 = lean_array_get_size(x_85);
-x_96 = lean_nat_dec_lt(x_94, x_95);
-if (x_96 == 0)
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
 lean_dec(x_84);
-x_97 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_86, x_3, x_4, x_5, x_6, x_83);
-x_98 = lean_ctor_get(x_97, 0);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_97, 1);
-lean_inc(x_99);
-if (lean_is_exclusive(x_97)) {
- lean_ctor_release(x_97, 0);
- lean_ctor_release(x_97, 1);
- x_100 = x_97;
-} else {
- lean_dec_ref(x_97);
- x_100 = lean_box(0);
-}
-x_101 = l_Lean_Expr_hasExprMVar(x_98);
-if (x_101 == 0)
+x_89 = lean_unsigned_to_nat(0u);
+x_90 = l_Lean_Expr_getAppNumArgsAux(x_2, x_89);
+x_91 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+lean_inc(x_90);
+x_92 = lean_mk_array(x_90, x_91);
+x_93 = lean_unsigned_to_nat(1u);
+x_94 = lean_nat_sub(x_90, x_93);
+lean_dec(x_90);
+x_95 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_92, x_94);
+x_96 = lean_array_get_size(x_95);
+x_97 = lean_array_get_size(x_87);
+x_98 = lean_nat_dec_lt(x_96, x_97);
+if (x_98 == 0)
 {
-lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_102 = lean_expr_abstract(x_98, x_85);
-lean_dec(x_85);
-lean_dec(x_98);
-x_103 = lean_expr_instantiate_rev_range(x_102, x_87, x_95, x_93);
-lean_dec(x_102);
-x_104 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_94, x_93, x_95, x_103);
-lean_dec(x_93);
-lean_dec(x_94);
-x_105 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_105, 0, x_104);
-if (lean_is_scalar(x_100)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_100;
-}
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_99);
-return x_106;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; 
-lean_dec(x_98);
-lean_dec(x_95);
-lean_dec(x_94);
-lean_dec(x_93);
-lean_dec(x_85);
-x_107 = lean_box(0);
-if (lean_is_scalar(x_100)) {
- x_108 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_108 = x_100;
-}
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_99);
-return x_108;
-}
-}
-else
-{
-lean_object* x_109; lean_object* x_110; 
-lean_dec(x_95);
-lean_dec(x_94);
-lean_dec(x_93);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
 lean_dec(x_86);
-lean_dec(x_85);
-x_109 = lean_box(0);
-if (lean_is_scalar(x_84)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
+x_99 = l_Lean_mkMVar(x_88);
+x_100 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_99, x_3, x_4, x_5, x_6, x_85);
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+if (lean_is_exclusive(x_100)) {
+ lean_ctor_release(x_100, 0);
+ lean_ctor_release(x_100, 1);
+ x_103 = x_100;
 } else {
- x_110 = x_84;
+ lean_dec_ref(x_100);
+ x_103 = lean_box(0);
 }
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_83);
-return x_110;
+x_104 = l_Lean_Expr_hasExprMVar(x_101);
+if (x_104 == 0)
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_105 = lean_expr_abstract(x_101, x_87);
+lean_dec(x_87);
+lean_dec(x_101);
+x_106 = lean_expr_instantiate_rev_range(x_105, x_89, x_97, x_95);
+lean_dec(x_105);
+x_107 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_96, x_95, x_97, x_106);
+lean_dec(x_95);
+lean_dec(x_96);
+x_108 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_108, 0, x_107);
+if (lean_is_scalar(x_103)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_109 = x_103;
+}
+lean_ctor_set(x_109, 0, x_108);
+lean_ctor_set(x_109, 1, x_102);
+return x_109;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; 
+lean_dec(x_101);
+lean_dec(x_97);
+lean_dec(x_96);
+lean_dec(x_95);
+lean_dec(x_87);
+x_110 = lean_box(0);
+if (lean_is_scalar(x_103)) {
+ x_111 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_111 = x_103;
+}
+lean_ctor_set(x_111, 0, x_110);
+lean_ctor_set(x_111, 1, x_102);
+return x_111;
+}
+}
+else
+{
+lean_object* x_112; lean_object* x_113; 
+lean_dec(x_97);
+lean_dec(x_96);
+lean_dec(x_95);
+lean_dec(x_88);
+lean_dec(x_87);
+x_112 = lean_box(0);
+if (lean_is_scalar(x_86)) {
+ x_113 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_113 = x_86;
+}
+lean_ctor_set(x_113, 0, x_112);
+lean_ctor_set(x_113, 1, x_85);
+return x_113;
 }
 }
 }
@@ -33215,7 +33219,7 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -33643,7 +33647,7 @@ l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1 = _init_l
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1);
 l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2();
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));

stage0/stdlib/Lean/Server/Rpc/Deriving.c

@@ -31,6 +31,7 @@ static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncod
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Server_RpcEncoding_withFieldsFlattened___spec__2___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFields___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__25(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInstance___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__151;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___lambda__1___closed__4;
@@ -512,7 +513,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_Rpc
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__34(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFieldsAux___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__26(lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__162;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___closed__3;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -583,7 +583,6 @@ lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__45___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__236;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Data_Array_BinSearch_0__Array_binInsertAux___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___lambda__1___closed__1;
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__86;
@@ -766,6 +765,7 @@ static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncod
 LEAN_EXPORT lean_object* l_Array_binInsertM___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___lambda__4___closed__14;
 LEAN_EXPORT lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFields___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__139;
@@ -10729,7 +10729,7 @@ lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint
 x_41 = lean_ctor_get(x_35, 1);
 lean_inc(x_41);
 lean_dec(x_35);
-x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_41);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_41);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -10782,7 +10782,7 @@ x_28 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_27);
 lean_ctor_set(x_29, 1, x_28);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_11, x_29, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_11, x_29, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -16630,7 +16630,7 @@ x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
 lean_inc(x_1);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -16689,7 +16689,7 @@ lean_ctor_set(x_30, 1, x_29);
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
 lean_ctor_set(x_31, 1, x_18);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_1, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_1, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -18651,7 +18651,7 @@ x_38 = lean_ctor_get(x_32, 1);
 lean_inc(x_38);
 lean_dec(x_32);
 lean_inc(x_7);
-x_39 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
+x_39 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -18690,7 +18690,7 @@ x_25 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_24);
 lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_7, x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
+x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_7, x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
 x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
 x_29 = lean_ctor_get(x_27, 1);
@@ -18840,7 +18840,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -18892,7 +18892,7 @@ x_27 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);

stage0/stdlib/Lean/Util/OccursCheck.c

@@ -1043,7 +1043,7 @@ lean_dec(x_25);
 x_40 = lean_ctor_get(x_39, 1);
 lean_inc(x_40);
 lean_dec(x_39);
-x_41 = l_Lean_occursCheck_visit___rarg(x_1, x_2, x_3, x_40, x_38);
+x_41 = l_Lean_occursCheck_visitMVar___rarg(x_1, x_2, x_3, x_40, x_38);
 return x_41;
 }
 }