https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88568
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 45365 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45365&action=edit gcc9-pr88568.patch Full untested patch. Can somebody please bootstrap/regtest that on mingw or cygwin?