http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58574
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- The 4.8 version of the patch bootstrapped/regtested fine on both s390x-linux and s390-linux, both configured with --with-arch=z10 --with-tune=zEC12. Andreas, could you please bootstrap/regtest some 4.9 version of the patch?