http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53498
--- Comment #3 from Daniel Krügler <daniel.kruegler at googlemail dot com> 2012-05-27 16:09:04 UTC --- (In reply to comment #2) > As you mention it, you don't accidently know, how a correct version would > look? This request would be off-topic here, but I responded off-list to you. > I want to test, if the class U has a method print compatible with the given > ARGS. Your example does not perform any kind of "test", so I'm not sure that I understand your question correctly [But keep in mind that any responses to that issue here should concentrate on the bug report, not on details of C++ programming techniques].