http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55460
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-11-25 01:56:20 UTC --- (In reply to comment #2) > Not sure I understand your comment - ADL with respect to what: my::filter or > the ::operator&? Can you elaborate please? With respect to my::filter. Since it is a qualified name, the overloaded set is only considered at definition time rather than instantiation too.
