http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49152
--- Comment #19 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-22 14:27:11 UTC --- (In reply to comment #18) > But that is not correct: '&' might be overloaded for the type in question...] If the diagnostics were improved for all types except for those with overloaded operator& then I think we could happily mark the PR as FIXED ;)