http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480
--- Comment #2 from Nathan Ridge <zeratul976 at hotmail dot com> 2013-03-05 04:30:26 UTC --- (In reply to comment #1) > I think this is > http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#374 Ah, I see. The code is accepted if a declaration (without definition) of the specialization is placed in the namespace. Didn't realize that.