[Bug libstdc++/53263] priority_queue is very slow if -D_GLIBCXX_DEBUG is used

[fdumont at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53263

--- Comment #10 from François Dumont <fdumont at gcc dot gnu.org> 2012-05-08 
19:31:49 UTC ---
Ok, I will submit a patch tomorrow generalizing usage of __gnu_debug::__base in
debug macros.