http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54043 --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-07-20 12:17:48 UTC --- In fact it was discussed last August, one of the final comments was "It also feels like it's not a defect, so it would have to wait for a new TR or standard."