http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52389
--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-02-26 16:28:17 UTC --- To be clear, x86_64 linux is fine both mainline and 4_6-branch (first blush, I thought the issue was related to 50594, which is fixed only in mainline)