[Bug libstdc++/18277] [4.0 Regression] libsupc++/guard.cc:62: error: 'RECURSIVE_ERRORCHECKMUTEX' was not declared in this scope

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|libsupc++/guard.cc:62:      |[4.0 Regression]
                   |error:                      |libsupc++/guard.cc:62:
                   |'RECURSIVE_ERRORCHECKMUTEX' |error:
                   |was not declared in this    |'RECURSIVE_ERRORCHECKMUTEX'
                   |scope                       |was not declared in this
                   |                            |scope
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18277