https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61240
--- Comment #15 from Marek Polacek <mpolacek at gcc dot gnu.org> --- I've been meaning to address this PR (for too long, apparently), but it seems it's too late for GCC 8 now. If you want, you can take it. If not, hopefully I'll get to it for GCC 9.
