https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67343
--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> --- Created attachment 49828 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49828&action=edit WIP Fix Here's my current patch for this bug, but I think I'm going to hold off on it pending the resolution of ABI issue 38.