On Mon, 2 Jun 2025, Martin Uecker wrote:
> Am Montag, dem 02.06.2025 um 18:45 +0000 schrieb Joseph Myers:
> > On Mon, 2 Jun 2025, Martin Uecker wrote:
> >
> > > According to the discussion in the bugzilla there seems to be
> > > some consensus to activate the warning for -Wextra (I am also
> > > looking into implementing the suggested improvements that may
> > > make it suitable fo r-Wall). When making this change, I also
> > > noticed that it was not working for -Wc++-compat due to a typo.
> >
> > What are the cases of interest where this detects buggy code that isn't
> > detected by -Wmaybe-uninitialized (also included in -Wextra)? Is this
> > about -O0 compilations?
>
> One example would be:
>
> void t(int *);
> void m(void)
> {
> goto foo;
> int i = 0;
> foo:
> t(&i);
> }
Then I think something like that should be included as a testcase for the
patch adding the option to -Wextra.
--
Joseph S. Myers
josmy...@redhat.com
