------- Additional Comments From nathan at gcc dot gnu dot org 2005-04-28 08:02 ------- the example test case is invalid even with the gnu extension. As with static const int members, you must have a single out-of-class definition of the member EVEN IF the member is initialized in class. [9.4.2/4]
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21089