http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51577
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-04-13 11:52:51 UTC --- (In reply to comment #4) > (In reply to comment #3) > > The example in PR 56943 gives a wrong-code example > > Could you explain why? It looks valid to me. According to my understanding, > the > free operator+ overload in global namespace is no valid candidate, but the > member operator+ of N::A is one. and G++ calls the global one, returning the wrong result, so it's wrong-code
