http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49355
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-10 10:00:00 UTC --- it's only valid in C++0x
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49355
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-10 10:00:00 UTC --- it's only valid in C++0x