http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52002
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-01-25 21:23:31 UTC --- Likely a duplicate of pr51985. Can you try the patch at http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01307.html .