[Bug middle-end/23623] volatile keyword changes bitfield access size from 32bit to 8bit

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |3.1 3.3 4.1.0 4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23623