http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56687
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-22 11:07:36 UTC --- Mainline is fine and isn't a regression. Either Jason backports to 4_8-branch the patch which fixed it (it would be good to find it) or we can close the PR.