https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79755
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- This does happen even with 9.2 and current trunk, you just need to read the first line in #c0.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79755
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- This does happen even with 9.2 and current trunk, you just need to read the first line in #c0.