[Bug libstdc++/14176] standard allocator crashes when deallocating segment of zero length.

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |2.95.3 3.0.4 3.2.2 3.2.3
                   |                            |3.3.1
      Known to work|                            |3.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14176