https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88446
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 45217 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45217&action=edit gcc9-pr86524.patch Untested fix for the static_assert issue.
