[Bug tree-optimization/79411] [5/6 Regression] ICE: SSA corruption (fail_abnormal_edge_coalesce)
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Feb 15 07:22:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79411
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Feb 15 07:21:42 2017
New Revision: 245473
URL: https://gcc.gnu.org/viewcvs?rev=245473&root=gcc&view=rev
Log:
Backported from mainline
2017-02-10 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/79411
* tree-ssa-reassoc.c (is_reassociable_op): Return false if
stmt operands are SSA_NAMEs used in abnormal phis.
(can_reassociate_p): Return false if op is SSA_NAME used in abnormal
phis.
* gcc.c-torture/compile/pr79411.c: New test.
Added:
branches/gcc-6-branch/gcc/testsuite/gcc.c-torture/compile/pr79411.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/testsuite/ChangeLog
branches/gcc-6-branch/gcc/tree-ssa-reassoc.c
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