diff options
| author | Hugo Herbelin | 2015-02-23 11:59:04 +0100 |
|---|---|---|
| committer | Hugo Herbelin | 2015-02-23 12:50:45 +0100 |
| commit | 71def2f885989376c8c2940d37f7fc407ed0a4c5 (patch) | |
| tree | ef9be0c569c3664f530446b0960d4be2a10fa2f7 /test-suite | |
| parent | f4ee7ee31e4bc4a49de784d90b331abd3a21e34f (diff) | |
Fixing occur-check which was too strong in unification.ml.
Diffstat (limited to 'test-suite')
| -rw-r--r-- | test-suite/success/apply.v | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test-suite/success/apply.v b/test-suite/success/apply.v index 21b829aa19..a4ed76c5a0 100644 --- a/test-suite/success/apply.v +++ b/test-suite/success/apply.v @@ -536,3 +536,13 @@ Goal forall f:nat->nat, (forall P x, P (f x)) -> let x:=f 0 in x = 0. intros f H x. apply H. Qed. + +(* Test that occur-check is not too restrictive (see comments of #3141) *) +Lemma bar (X: nat -> nat -> Prop) (foo:forall x, X x x) (a: unit) (H: tt = a): + exists x, exists y, X x y. +Proof. +intros; eexists; eexists; case H. +apply (foo ?y). +Grab Existential Variables. +exact 0. +Qed. |