[Bug c/23587] Missing "warning: comparison is always false due to limited range of data type"

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c++                         |c
           Keywords|                            |diagnostic
      Known to work|                            |2.95.3 3.2.3 3.4.0 4.0.0
                   |                            |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23587