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[Bug tree-optimization/82337] [5/6/7/8 Regression] ICE: SSA corruption at tree-ssa-coalesce.c:1010
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Sep 2017 14:55:46 +0000
- Subject: [Bug tree-optimization/82337] [5/6/7/8 Regression] ICE: SSA corruption at tree-ssa-coalesce.c:1010
- Auto-submitted: auto-generated
- References: <bug-82337-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82337
--- Comment #11 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Author: wschmidt
Date: Fri Sep 29 14:55:14 2017
New Revision: 253293
URL: https://gcc.gnu.org/viewcvs?rev=253293&root=gcc&view=rev
Log:
[gcc]
2017-09-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/82337
* gimple-ssa-strength-reduction.c (find_phi_def): Don't record a
phi definition if the PHI result appears in an abnormal PHI.
(find_basis_for_base_expr): Don't record a basis if the LHS of the
basis appears in an abnormal PHI.
[gcc]
2017-09-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/82337
* gcc.c-torture/compile/pr82337.c: New file.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr82337.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-strength-reduction.c
trunk/gcc/testsuite/ChangeLog