Add test for #11161

This is better than expecting other tests to fail if we mess up again.

1 files changed, 10 insertions, 0 deletions

diff --git a/test-suite/bugs/closed/bug_11161.v b/test-suite/bugs/closed/bug_11161.v
new file mode 100644
index 0000000000..22a075e096
--- /dev/null
+++ b/test-suite/bugs/closed/bug_11161.v
@@ -0,0 +1,10 @@
+(* Ensure that evars are properly normalized in the instance path.
+   Problems with this can cause eg #11161. *)
+
+Class Foo (n:nat) := {x : bool}.
+
+Instance bar n : Foo n. Admitted.
+
+Instance bar' n : Foo n. split. abstract exact true. Qed.
+
+Instance bar'' n : Foo n. split. abstract exact true. Defined.