https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42970
--- Comment #6 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to Martin Jambor from comment #5) > I have posted a WIP patch as: > > https://gcc.gnu.org/ml/gcc-patches/2018-12/msg01765.html > > I am in the process of cleaning it up for final submission once stage 1 > opens again. Stage 1 has opened again.