https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68303 --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- Patch posted to https://gcc.gnu.org/ml/gcc-patches/2018-10/msg00903.html Reviewed at https://gcc.gnu.org/ml/gcc-patches/2019-05/msg02120.html