http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55131
mawenqi <mawenqi108 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Version|unknown |4.7.0 Resolution| |INVALID --- Comment #3 from mawenqi <mawenqi108 at gmail dot com> 2012-10-30 06:25:15 UTC --- As Andrew Pinski said, this is not a bug of GCC.