[Bug libstdc++/16248] [3.5 Regression] recent concurrence.h chanes breaks mingw bootstrap

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |normal
            Summary|recent concurrence.h chanes |[3.5 Regression] recent
                   |breaks mingw bootstrap      |concurrence.h chanes breaks
                   |                            |mingw bootstrap
   Target Milestone|---                         |3.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16248