http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50745
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-10-16 14:27:00 UTC --- (In reply to comment #3) > I'm thinking, maybe as a normal, not configure-time, macro, like > _GLIBCXX_DEBUG, the idea would make more sense? Of course a very dangerous > thing, but more usable in that way, right? making it easier for users to shoot themselves in the foot with ODR violations and hidden symbols that shouldn't be hidden, and report them as bugs? hmm ...