[warnings] tagging warnings about options themselves

[Gabriel Dos Reis]

DJ Delorie <dj@redhat.com> writes:

| > Indeed, my fear -- often repeated -- is a multiplication of options
| > just about everything.  That would become unmanageable.
| 
| I don't like the idea of options that are sentences either, but OTOH I
| do like the idea of having all warnings be controllable.  Maybe a
| catch-all option isn't such a bad idea after all?
| 
| -Wother-warnings
| Enable or disable other warnings, which aren't already controlled by
| their own specific options.

In addition of -Wextra?  I'm not sure.

[...]

| Heck, it's better than -Wno-574818

That for sure! :-)

-- Gaby