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[Bug tree-optimization/79411] [5/6/7 Regression] ICE: SSA corruption (fail_abnormal_edge_coalesce)
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Feb 2017 08:48:05 +0000
- Subject: [Bug tree-optimization/79411] [5/6/7 Regression] ICE: SSA corruption (fail_abnormal_edge_coalesce)
- Auto-submitted: auto-generated
- References: <bug-79411-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79411
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Feb 10 08:47:32 2017
New Revision: 245324
URL: https://gcc.gnu.org/viewcvs?rev=245324&root=gcc&view=rev
Log:
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:
trunk/gcc/testsuite/gcc.c-torture/compile/pr79411.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-reassoc.c