http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57663
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Well, I am "only" a Fortran programmer, I have no idea of how > the GNU compilers are written... Obviously you know how to build gfortran, so can either try to revert r167779 or apply r171236. However in my opinion you'll do a better use of your time by building either 4.8.1 or trunk (4.9.0).