http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48766
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |iant at google dot com --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-04-26 13:26:19 UTC --- It is caused by revision 121254: http://gcc.gnu.org/ml/gcc-cvs/2007-01/msg00960.html which adds -fstrict-overflow.