http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47729
Samuel Marks <samuelmarks at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |major
--- Comment #2 from Samuel Marks <samuelmarks at gmail dot com> 2011-02-14
11:19:29 UTC ---
(In reply to comment #1)
> > Unfortunately I don't receive warning message when comparing signed and
> > unsigned integers within a function.
> >
> > When comparing with >, >=, < or <=, it gives me a warning message.
> >
> > Only when comparing with != inside a function does the warning message not
> > appear.
>
> This is rather confused. You don't get the warning on line 19 because the
> function template is instantiated with n/size equal to the constant 4u, so
> there is no real need to warn here.
>
> The relevant comment in the source code of the compiler is:
>
> /* Do not warn if the comparison is an equality operation, the
> unsigned quantity is an integral constant, and it would fit
> in the result if the result were signed. */
Good point, I was thinking the same; however thought that condition would also
hold true for >, <, >=, <=...
