This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/31715] [4.3 Regression] Array calculation done incorrectly
- 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: 27 Apr 2007 11:42:54 -0000
- Subject: [Bug tree-optimization/31715] [4.3 Regression] Array calculation done incorrectly
- References: <bug-31715-3760@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 2007-04-27 12:42 -------
Subject: Bug 31715
Author: rguenth
Date: Fri Apr 27 12:42:43 2007
New Revision: 124216
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124216
Log:
2007-04-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/31715
* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
sure to do computation on the offset in an appropriate
signed type.
* gcc.dg/Warray-bounds-4.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/Warray-bounds-4.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31715