Fixed a little inefficiency of "set/destruct" over a pattern. Now

different instances of a meta are checked against full conversion.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16086 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 13 insertions, 2 deletions

diff --git a/test-suite/success/set.v b/test-suite/success/set.v
index 230192753..8116e8975 100644
--- a/test-suite/success/set.v
+++ b/test-suite/success/set.v
@@ -1,8 +1,19 @@
+(* This used to fail in 8.0pl1 *)
+
 Goal forall n, n+n=0->0=n+n.
 intros.
-
-(* This used to fail in 8.0pl1 *)
 set n in * |-.
+Abort.
+
+(* This works from 8.4pl1, since merging of different instances of the
+   same metavariable in a pattern is done modulo conversion *)
+
+Notation "p .+1" := (S p) (at level 1, left associativity, format "p .+1").
+
+Goal forall (f:forall n, n=0 -> Prop) n (H:(n+n).+1=0), f (n.+1+n) H.
+intros.
+set (f _ _).
+Abort.