Re: [PATCH v3 0/7] Steps towards enabling -Wshadow=local

[Markus Armbruster]

Markus Armbruster <armbru@redhat.com> writes:

> Local variables shadowing other local variables or parameters make the
> code needlessly hard to understand.  Bugs love to hide in such code.
> Evidence: PATCH 1.
>
> Enabling -Wshadow would prevent bugs like this one.  But we'd have to
> clean up all the offenders first.  We got a lot of them.
>
> Enabling -Wshadow=local should be less work for almost as much gain.
> I took a stab at it.  There's a small, exciting part, and a large,
> boring part.
>
> The exciting part is dark preprocessor sorcery to let us nest macro
> calls without shadowing: PATCH 7.

[...]

Queued.