http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46839
--- Comment #1 from Tobias Föhst <foehst at informatik dot uni-kl.de> 2010-12-07 17:12:45 UTC --- I forgot: Line 15 is only there to prove that this->forward with another successor than '<' can be resolved as the member derived from A<T>.