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[Bug sanitizer/81505] [5/6/7/8 Regression] ICE in tree-ssa-loop-manip.c:95 with -fsanitize=signed-integer-overflow
- 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: Tue, 25 Jul 2017 07:04:42 +0000
- Subject: [Bug sanitizer/81505] [5/6/7/8 Regression] ICE in tree-ssa-loop-manip.c:95 with -fsanitize=signed-integer-overflow
- Auto-submitted: auto-generated
- References: <bug-81505-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81505
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jul 25 07:04:07 2017
New Revision: 250494
URL: https://gcc.gnu.org/viewcvs?rev=250494&root=gcc&view=rev
Log:
2017-07-25 Richard Biener <rguenther@suse.de>
PR middle-end/81505
* fold-const.c (fold_negate_const): TREE_OVERFLOW should be
sticky.
* gcc.dg/ubsan/pr81505.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/ubsan/pr81505.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog