diff options
| author |  Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 16:53:30 +0100 |
|---|---|---|
| committer | Enrico Tassi <gareuselesinge@debian.org> | 2016-12-27 18:33:25 +0100 |
| commit | 1b92c226e563643da187b8614d5888dc4855eb43 (patch) | |
| tree | c4c3d204b36468b58cb71050ba95f06b8dd7bc2e /test-suite/success/setoid_test.v | |
| parent | 7c9b0a702976078b813e6493c1284af62a3f093c (diff) | |
Imported Upstream version 8.6
Diffstat (limited to 'test-suite/success/setoid_test.v')
| -rw-r--r-- | test-suite/success/setoid_test.v | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test-suite/success/setoid_test.v b/test-suite/success/setoid_test.v index 0465c4b3..1f24ef2a 100644 --- a/test-suite/success/setoid_test.v +++ b/test-suite/success/setoid_test.v @@ -166,3 +166,16 @@ Proof. intros. setoid_rewrite <- foo_prf. change (beq_nat x 0 = y). Abort. Goal forall (x : nat) (y : bool), beq_nat (foo_neg x) 0 = foo_neg y. Proof. intros. setoid_rewrite <- @foo_prf at 1. change (beq_nat x 0 = foo_neg y). Abort. +(* This should not raise an anomaly as it did for some time in early 2016 *) + +Definition t := nat -> bool. +Definition h (a b : t) := forall n, a n = b n. + +Instance subrelh : subrelation h (Morphisms.pointwise_relation nat eq). +Proof. intros x y H; assumption. Qed. + +Goal forall a b, h a b -> a 0 = b 0. +intros. +setoid_rewrite H. (* Fallback on ordinary rewrite without anomaly *) +reflexivity. +Qed. |