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Diffstat (limited to 'test-suite/bugs/closed/4727.v')
| -rw-r--r-- | test-suite/bugs/closed/4727.v | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/4727.v b/test-suite/bugs/closed/4727.v new file mode 100644 index 00000000..3854bbff --- /dev/null +++ b/test-suite/bugs/closed/4727.v @@ -0,0 +1,10 @@ +(* -*- coq-prog-args: ("-emacs" "-compat" "8.4") -*- *) +Goal forall (P : Set) (l : P) (P0 : Set) (w w0 : P0) (T : Type) (a : P * T) (o : P -> option P0), + (forall (l1 l2 : P) (w1 : P0), o l1 = Some w1 -> o l2 = Some w1 -> l1 = l2) -> + o l = Some w -> o (fst a) = Some w0 -> {w = w0} + {w <> w0} -> False. +Proof. + clear; intros ???????? inj H0 H1 H2. + destruct H2; intuition subst. + eapply inj in H1; [ | eauto ]. + progress subst. (* should succeed, used to not succeed *) +Abort. |