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[Bug middle-end/36227] [4.3/4.4 Regression] POINTER_PLUS folding introduces undefined overflow
- 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: 13 May 2008 14:05:32 -0000
- Subject: [Bug middle-end/36227] [4.3/4.4 Regression] POINTER_PLUS folding introduces undefined overflow
- References: <bug-36227-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rguenth at gcc dot gnu dot org 2008-05-13 14:05 -------
Subject: Bug 36227
Author: rguenth
Date: Tue May 13 14:04:40 2008
New Revision: 135261
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=135261
Log:
2008-05-13 Richard Guenther <rguenther@suse.de>
PR middle-end/36227
* fold-const.c (fold_sign_changed_comparison): Do not allow
changes in pointer-ness.
* gcc.dg/pr36227.c: New testcase.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr36227.c
- copied unchanged from r135260, trunk/gcc/testsuite/gcc.dg/pr36227.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/fold-const.c
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36227