https://gcc.gnu.org/bugzilla/show_bug.cgi?id=33911
--- Comment #14 from Jason Merrill <jason at gcc dot gnu.org> --- Created attachment 33938 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33938&action=edit patch Here's a compiler patch. Jonathan, can you decide what to do with the library testsuite regressions it introduces and check it in?