[Bug c++/11856] unsigned warning in template

["gdr at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #10 from gdr at gcc dot gnu dot org  2006-01-23 01:17 -------

> > With this code:
> > template <typename t>
> > void f(t c) {
> >   assert(0 <= c and c <= 2);
> > }
> > int main() {
> >   f<unsigned char>(5);
> > }
> > I only get a warning on instantiation.
> > 
> >
> 
> I see, I oversimplified the problem a bit. Here is a better example:
> ------------------------------
> #include <cassert>
> template <typename Int, Int D>
> void f(Int x) {
>   assert(0 <= x and x <= D);
> }

This kind of template tends to be common place for certain catgories
of codes.  It is annoying.  This also manifests in gcjx.  
I don't know which way to go yet, but certainly it should be
controlable by -Walways-true.


-- 

gdr at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tromey at gcc dot gnu dot
                   |                            |org, gdr at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11856