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[Bug tree-optimization/81192] gcc ICE at -Os on x86_64-linux-gnu: Segmentation fault
- From: "vries at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 13 Jul 2017 05:44:06 +0000
- Subject: [Bug tree-optimization/81192] gcc ICE at -Os on x86_64-linux-gnu: Segmentation fault
- Auto-submitted: auto-generated
- References: <bug-81192-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81192
--- Comment #19 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Thu Jul 13 05:42:15 2017
New Revision: 250175
URL: https://gcc.gnu.org/viewcvs?rev=250175&root=gcc&view=rev
Log:
Backport "Fix sigsegv in find_same_succ_bb"
2017-07-13 Tom de Vries <tom@codesourcery.com>
backport from mainline:
2017-07-03 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/81192
* tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
BB_SAME_SUCC (bb) == NULL.
* gcc.dg/pr81192.c: New test.
Added:
branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr81192.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/testsuite/ChangeLog
branches/gcc-6-branch/gcc/tree-ssa-tail-merge.c