https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91363
--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Need to respond to Jason's feedback: https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00034.html But there's very little time left for stage1 and I've been trying to get P1327 done, and then hopefully also P1331.