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[Bug tree-optimization/64728] [5 Regression] internal compiler error: SSA corruption
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 22 Jan 2015 16:08:10 +0000
- Subject: [Bug tree-optimization/64728] [5 Regression] internal compiler error: SSA corruption
- Auto-submitted: auto-generated
- References: <bug-64728-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64728
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 22 16:07:36 2015
New Revision: 220003
URL: https://gcc.gnu.org/viewcvs?rev=220003&root=gcc&view=rev
Log:
2015-01-22 Richard Biener <rguenther@suse.de>
PR middle-end/64728
* tree-ssa-coalesce.c (coalesce_partitions): Do not perform
abnormal coalescing on undefined SSA names.
* gcc.dg/torture/pr64728.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr64728.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-coalesce.c