Imported Upstream version 8.5~beta1+dfsg

1 files changed, 16 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/1696.v b/test-suite/bugs/closed/1696.v
new file mode 100644
index 00000000..0826428a
--- /dev/null
+++ b/test-suite/bugs/closed/1696.v
@@ -0,0 +1,16 @@
+Require Import Setoid.
+
+Inductive mynat := z : mynat | s : mynat -> mynat.
+
+Parameter E : mynat -> mynat -> Prop.
+Axiom E_equiv : equiv mynat E.
+
+Add Relation mynat E
+ reflexivity proved by (proj1 E_equiv)
+ symmetry proved by (proj2 (proj2 E_equiv))
+ transitivity proved by (proj1 (proj2 E_equiv))
+as E_rel.
+
+Notation "x == y" := (E x y) (at level 70).
+
+Goal z == s z -> s z == z. intros H. setoid_rewrite H at 2. reflexivity. Qed.