https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86446
--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > 'gmake -j6 check-fortran' has never died on an error > like the one I've shown in the 15+ years that I've been > contributing to GCC. Needing -k now, means someone has > broken the build infrastructure. No, it's just https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01023.html