feat: add try rfl at end of convTarget

src/Lean/Elab/Tactic/Conv/Basic.lean

@@ -111,6 +111,7 @@ private def convTarget (conv : Syntax) : TacticM Unit := withMainContext do
    let target ← getMainTarget
    let (targetNew, proof) ← convert target (evalTactic conv)
    liftMetaTactic1 fun mvarId => replaceTargetEq mvarId targetNew proof
+   evalTactic (← `(tactic| try rfl))
 
 private def convLocalDecl (conv : Syntax) (hUserName : Name) : TacticM Unit := withMainContext do
    let localDecl ← getLocalDeclFromUserName hUserName

tests/lean/conv1.lean

@@ -51,7 +51,6 @@ example (x y : Nat) : f x (x + y + 0) y = y + x := by
     change x + y
     traceState
     rw [Nat.add_comm]
-  rfl
 
 example : id (fun x y => 0 + x + y) = Nat.add := by
   conv =>
@@ -61,11 +60,9 @@ example : id (fun x y => 0 + x + y) = Nat.add := by
     traceState
     rw [Nat.zero_add]
     traceState
-  rfl
 
 example : id (fun x y => 0 + x + y) = Nat.add := by
   conv =>
     enter [1, 1, a, b]
     traceState
     rw [Nat.zero_add]
-  rfl

tests/lean/conv1.lean.expected.out

@@ -13,3 +13,6 @@ a b : Nat
 ⊢ 0 + a + b
 a b : Nat
 ⊢ a + b
+case h.h
+a b : Nat
+⊢ 0 + a + b

tests/lean/run/conv1.lean

@@ -40,7 +40,6 @@ example (x y : Nat) : p (x + y) (0 + y + x) := by
     traceState
     skip
     done
-  rfl
 
 axiom div_self (x : Nat) : x ≠ 0 → x / x = 1
 
@@ -69,4 +68,3 @@ example : id (fun x => 0 + x) = id := by
     arg 1
     funext y
     rw [Nat.zero_add]
-  rfl