http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50543
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-09-27 20:29:55 UTC --- I have no problem with /export/gnu/import/git/gcc-release/configure --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --enable-languages=c,c++ i686-linux --prefix=/usr/gcc-4.6.2-corei7 --with-local-prefix=/usr/local --enable-gnu-indirect-function --with-arch=corei7 --with-cpu=corei7 --with-fpmath=sse on gcc-4_6-branch at revision 179242.