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| author |  Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
| commit | 5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 (patch) | |
| tree | 631ad791a7685edafeb1fb2e8faeedc8379318ae /test-suite/bugs/closed/shouldsucceed/2244.v | |
| parent | da178a880e3ace820b41d38b191d3785b82991f5 (diff) | |
Imported Upstream snapshot 8.3~beta0+13298
Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/2244.v')
| -rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2244.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/2244.v b/test-suite/bugs/closed/shouldsucceed/2244.v new file mode 100644 index 00000000..d499e515 --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/2244.v @@ -0,0 +1,19 @@ +(* 1st-order unification did not work when in competition with pattern unif. *) + +Set Implicit Arguments. +Lemma test : forall + (A : Type) + (B : Type) + (f : A -> B) + (S : B -> Prop) + (EV : forall y (f':A->B), (forall x', S (f' x')) -> S (f y)) + (HS : forall x', S (f x')) + (x : A), + S (f x). +Proof. + intros. eapply EV. intros. + (* worked in v8.2 but not in v8.3beta, fixed in r12898 *) + apply HS. + + (* still not compatible with 8.2 because an evar can be solved in + two different ways and is left open *) |