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[Bug c++/49279] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 4 Jun 2011 16:37:39 +0000
- Subject: [Bug c++/49279] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets
- Auto-submitted: auto-generated
- References: <bug-49279-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49279
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.06.04 16:37:22
CC| |rguenth at gcc dot gnu.org
Target Milestone|--- |4.5.4
Ever Confirmed|0 |1
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-06-04 16:37:22 UTC ---
It is caused by revision 155360:
http://gcc.gnu.org/ml/gcc-cvs/2009-12/msg00504.html