https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69709
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- FYI, profiledbootstrap works for me including Ada, see http://s390.koji.fedoraproject.org/packages/gcc/6.0.0/0.12.fc24/data/logs/s390x/build.log