http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49186
--- Comment #4 from Nobuhiro Iwamatsu <iwamatsu at nigauri dot org> 2011-05-30 05:33:52 UTC --- Hi, Thanks! I confirmed resolved this problem by this patch on gcc-4.4, 4.5, 4.6 and trunk. Could you backport each branches?