[Bug tree-optimization/57303] [4.7/4.8/4.9 Regression] struct miscompiled at -O1 and above

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57303

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
It is caused by revision 170984:

http://gcc.gnu.org/ml/gcc-cvs/2011-03/msg00405.html