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[Bug tree-optimization/41919] [4.5 Regression] optimized code with -O2 or -O3 gives strange result
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Nov 2009 10:18:51 -0000
- Subject: [Bug tree-optimization/41919] [4.5 Regression] optimized code with -O2 or -O3 gives strange result
- References: <bug-41919-18350@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenth at gcc dot gnu dot org 2009-11-04 10:18 -------
Subject: Bug 41919
Author: rguenth
Date: Wed Nov 4 10:18:33 2009
New Revision: 153891
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153891
Log:
2009-11-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41919
* tree-vrp.c (test_for_singularity): Properly compare values.
* gcc.c-torture/execute/pr41919.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr41919.c
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41919