http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50745
--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-16 14:20:44 UTC --- 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?