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-rw-r--r--test-suite/success/cc.v7
1 files changed, 6 insertions, 1 deletions
diff --git a/test-suite/success/cc.v b/test-suite/success/cc.v
index a70d91963..dc0527d82 100644
--- a/test-suite/success/cc.v
+++ b/test-suite/success/cc.v
@@ -129,5 +129,10 @@ Qed.
End bug_2447.
+(* congruence was supposed to do discriminate but it was bugged for
+ types with indices *)
-
+Inductive I : nat -> Type := C : I 0 | D : I 0.
+Goal ~C=D.
+congruence.
+Qed.