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Diffstat (limited to 'test-suite/bugs/closed/2244.v')
-rw-r--r-- | test-suite/bugs/closed/2244.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/2244.v b/test-suite/bugs/closed/2244.v new file mode 100644 index 00000000..d499e515 --- /dev/null +++ b/test-suite/bugs/closed/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 *) |