https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86590
--- Comment #27 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 44415 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44415&action=edit gcc9-p0595r1.patch Untested patch that passes the testcase in P0595R1.
