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[Bug tree-optimization/33099] [4.2 Regression] Scalar evolutions confusing VRP with pointer values that wrap around
- 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: 10 Oct 2007 09:24:58 -0000
- Subject: [Bug tree-optimization/33099] [4.2 Regression] Scalar evolutions confusing VRP with pointer values that wrap around
- References: <bug-33099-91@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from rguenth at gcc dot gnu dot org 2007-10-10 09:24 -------
Subject: Bug 33099
Author: rguenth
Date: Wed Oct 10 09:24:43 2007
New Revision: 129197
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129197
Log:
2007-10-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33099
PR tree-optimization/33381
* tree-vrp.c (adjust_range_with_scev): Do not adjust ranges
from pointer typed chrecs.
* gcc.c-torture/execute/pr33099.c: New testcase.
* gcc.c-torture/execute/pr33381.c: Likewise.
Added:
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr33099.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr33381.c
Modified:
branches/gcc-4_2-branch/gcc/ChangeLog
branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
branches/gcc-4_2-branch/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33099