[Bug libstdc++/54352] relaxed data race rules for ~condition_variable_any

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54352

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-08-22 
20:43:34 UTC ---
Created attachment 28066
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28066
patch against 4.8 trunk