https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86739 --- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 45001 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45001&action=edit gcc9-pr86739-2.patch Variant patch if the conversion operator would not be acceptable.