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[Bug bootstrap/77768] [7 Regression] LTO/PGO -O3 bootstrap broken: tree-vrp.c:11053:0: internal compiler error: Segmentation fault
- 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: Thu, 29 Sep 2016 12:31:33 +0000
- Subject: [Bug bootstrap/77768] [7 Regression] LTO/PGO -O3 bootstrap broken: tree-vrp.c:11053:0: internal compiler error: Segmentation fault
- Auto-submitted: auto-generated
- References: <bug-77768-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77768
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 29 12:31:02 2016
New Revision: 240617
URL: https://gcc.gnu.org/viewcvs?rev=240617&root=gcc&view=rev
Log:
2016-09-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/77768
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Handle stores to readonly memory when removing redundant stores.
* gcc.dg/torture/pr77768.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr77768.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c