http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49218
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-29 17:07:11 UTC --- Works for me with a x86_64 multilibbed 4.6 from Debian on i?86-linux as well. Bulding non-multilibbed variant now.