[Bug c++/30539] Accepts invalid explicit specialization declaration

[bangerth at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30539

--- Comment #3 from Wolfgang Bangerth <bangerth at gmail dot com> 2012-01-03 19:11:09 UTC ---
Excellent, and thanks! It's good to see that some of the 5+ year old reports
are still being closed on occasion :-)

(Although I have to say that this one was one of the more humorous, allowing
to write 
  template <> void X<1>::X<2>::X<3>::X<4>::f();
I'm almost going to miss that ;-)