https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88136
--- Comment #11 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- (In reply to Jonathan Wakely from comment #10) > I don't think it has been written yet. Right; I decided against it, since the cats are out of the bag and shipping implementations voted with their feet, so Rule of Five is now the law of the land, as far as I care.