[Bug c++/47729] Failure to receive warning message when comparing signed and unsigned integers

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47729

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-02-14 
17:31:02 UTC ---
> Since comparison between any boolean expression, not just != is valid for any
> types, why have any warns at all?

There are no boolean expressions involved here, only integer types with
different signedness.  We warn because of the classical "unsigned >=0" pattern.