More C type errors by default for GCC 14

[Michael Matz]

Hello,

On Fri, 12 May 2023, Florian Weimer wrote:

> * Alexander Monakov:
> 
> > This is not valid (constraint violation):
> >
> >   unsigned x;
> >
> >   int *p = &x;
> >
> > In GCC this is diagnosed under -Wpointer-sign:
> >
> >   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25892
> 
> Thanks for the reference.  I filed:
> 
>   -Wpointer-sign must be enabled by default
>   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109836>

Can you please not extend the scope of your proposals in this thread but 
create a new one?

(FWIW: no, this should not be an error, a warning is fine, and I actually 
think the current state of it not being in Wall is the right thing as 
well)


Ciao,
Michael.