https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83656
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #3) > Patch: https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01645.html So according to that discussion, it stalled due to producing a bunch of warnings in autoconf scripts; repeating my comment about autoconf from that thread: https://gcc.gnu.org/ml/gcc-patches/2018-06/msg01894.html