[Bug c/87038] diagnostics: Have -Wjump-misses-init be enabled by -Wall or -Wextra

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87038

--- Comment #24 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Harald van Dijk from comment #23)
> (In reply to Eric Gallager from comment #22)
> > (In reply to Harald van Dijk from comment #21)
> > > Since -Wjump-misses-init triggers too often for commonly used C patterns,
> > > I do not think it is appropriate to include it in -Wall. 
> > 
> > OK, so what about -Wextra then?
> 
> My personal feeling as a user is that clang's warning is useful enough that
> if GCC were to implement that, that one could be included in -Wall. It
> avoids warning for the common cases where code works as intended, and still
> manages to warn for the OP's code. I do not know how much work it would be
> to implement that; if it would be too much work, then including
> -Wjump-misses-init in -Wextra makes sense to me.

Well, since no one's done it yet, I'm guessing it's probably too much work,
so... can we just go with the latter?