[Bug libstdc++/47354] bitmap_allocator free_list::_M_get never locks mutex

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47354

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-01-19 00:27:45 UTC ---
Thanks for checking Jon. If we can't fix the issue very quickly, I vote for
simply removing that specific allocator, it never worked very well and the code
itself is rather ugly, IMHO.