[Bug tree-optimization/81192] [8 Regression] gcc ICE at -Os on x86_64-linux-gnu: Segmentation fault
vries at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Jul 3 07:21:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81192
--- Comment #14 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Mon Jul 3 07:20:49 2017
New Revision: 249893
URL: https://gcc.gnu.org/viewcvs?rev=249893&root=gcc&view=rev
Log:
Fix sigsegv in find_same_succ_bb
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:
trunk/gcc/testsuite/gcc.dg/pr81192.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-tail-merge.c
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