http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51823
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-01-11 14:37:27 UTC --- That change was present as early as the Feb 2004 draft, n1577 Also related: http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#1052