[Bug libstdc++/46455] resource leaks due to missing destructors for mutexes and condvars

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46455

--- Comment #27 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-11-16 
23:22:24 UTC ---
I don't think that's right either ... I need to find a better way to test
this....