From 4c78cf0f68b8eeb040eb2267a3705fc236295f76 Mon Sep 17 00:00:00 2001
From: herbelin
Date: Tue, 18 Dec 2012 00:09:02 +0000
Subject: 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
---
 test-suite/success/set.v | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'test-suite')

diff --git a/test-suite/success/set.v b/test-suite/success/set.v
index 2301927531..8116e89751 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.
 
 
 
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