http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55460
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-11-25 20:46:06 UTC --- Andrew is right, the standard says: In an expression of the form: postfix-expression ( expression-listopt) where the postfix-expression is an unqualified-id, the unqualified-id denotes a dependent name if [...] Since my::filter is not an unqualified-id it is not a dependent name, so the usual lookup rules apply and only names declared before the template definition can be found.