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[Bug tree-optimization/63738] [4.9/5 Regression] ssa corruption when compiled with -O3
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 26 Nov 2014 15:18:03 +0000
- Subject: [Bug tree-optimization/63738] [4.9/5 Regression] ssa corruption when compiled with -O3
- Auto-submitted: auto-generated
- References: <bug-63738-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63738
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Nov 26 15:17:31 2014
New Revision: 218089
URL: https://gcc.gnu.org/viewcvs?rev=218089&root=gcc&view=rev
Log:
2014-11-26 Richard Biener <rguenther@suse.de>
PR middle-end/63738
* tree-data-ref.c (split_constant_offset_1): Do not follow
SSA edges for SSA names with SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
* gcc.dg/torture/pr63738.c: New testcase.
Added:
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr63738.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
branches/gcc-4_9-branch/gcc/tree-data-ref.c