https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63814
--- Comment #26 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > I proposed a fix on the mailing list: > > https://gcc.gnu.org/ml/gcc-patches/2014-11/msg02832.html I have this patch in my working tree as well as the patch at https://gcc.gnu.org/ml/gcc-patches/2014-11/msg02838.html and the regression is gone (x86_64-apple-darwin14).