https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83063
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 43070 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43070&action=edit gcc8-pr83063.patch WIP patch. It still doesn't handle #__VA_OPT__(whatever) or #__VA_OPT__() properly and there seems to be other issues.