Merge PR #12756: Do not refresh the names of implicit arguments.

Reviewed-by: herbelin
Reviewed-by: maximedenes

1 files changed, 24 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/bug_12001.v b/test-suite/bugs/closed/bug_12001.v
new file mode 100644
index 0000000000..19533e49f1
--- /dev/null
+++ b/test-suite/bugs/closed/bug_12001.v
@@ -0,0 +1,24 @@
+(* Argument names don't get mangled *)
+Set Mangle Names.
+Lemma leibniz_equiv_iff {A : Type} (x y : A) : True.
+Proof. tauto. Qed.
+Check leibniz_equiv_iff (A := nat) 2 3 : True.
+Unset Mangle Names.
+
+(* Coq doesn't make up names for arguments *)
+Definition bar (a a : nat) : nat := 3.
+Arguments bar _ _ : assert.
+Fail Arguments bar a a0 : assert.
+
+(* This definition caused an anomaly in a version of this PR
+without the change to prepare_implicits *)
+Set Implicit Arguments.
+Definition foo (_ : nat) (_ : @eq nat ltac:(assumption) 2) : True := I.
+Fail Check foo (H := 2).
+
+Definition baz (a b : nat) := b.
+Arguments baz a {b}.
+Set Mangle Names.
+Definition baz2 (a b : nat) := b.
+Arguments baz2 a {b}.
+Unset Mangle Names.