https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114400
--- Comment #4 from Jiang An <de34 at live dot cn> --- (In reply to Jonathan Wakely from comment #1) > The resolution of LWG 3950 has not been implemented, at all. Hmm... r14-5349 seems "implementing the resolution" per the commit message. Perhaps I misread something.