http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33925
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-04-18 17:04:25 UTC --- ... That's not an argument against improving the warning though. GCC's uses occur in system headers so warnings are suppressed, and could be worked around anyway with further extensions such as #pragma GCC diagnostic
