http://gcc.gnu.org/bugzilla/show_bug.cgi?id=2316
--- Comment #27 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-08-30 12:19:23 UTC --- this is DR13 btw http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#13 I don't know if that's been reconsidered now we have attributes
