http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48740
--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-23 11:36:03 UTC --- I get no error with gcc version 4.6.0 20110419 (Red Hat 4.6.0-5) (I can't test vanilla 4.6 until I finish reinstalling my pc)