[Bug tree-optimization/57303] [4.7/4.8 Regression] struct miscompiled at -O1 and above
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue May 21 08:38:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57303
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.9.0
Summary|[4.7/4.8/4.9 Regression] |[4.7/4.8 Regression] struct
|struct miscompiled at -O1 |miscompiled at -O1 and
|and above |above
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue May 21 08:11:23 2013
New Revision: 199135
URL: http://gcc.gnu.org/viewcvs?rev=199135&root=gcc&view=rev
Log:
2013-05-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/57303
* tree-ssa-sink.c (statement_sink_location): Improve killing
stmt detection and properly handle self-assignments.
* gcc.dg/torture/pr57303.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr57303.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sink.c
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