[PATCHv3] implement -Wold-style-cast

[Ondřej Hošek]

Hi Alp,

On Wed, Nov 27, 2013 at 4:22 AM, Alp Toker <alp at nuanti.com> wrote:
> This one is pretty much what we want, except that the check needs to be
> moved up to ActOnCastExpr() to avoid diagnosing template instantiations or
> skipping diags due to early returns.

Ah, okay.

> I've made that change, padded out the tests with a few more cases like
> (void**)x; and typedef void VOID; which we now get right and landed in
> r195808.

Sweet! I'll inform the objc-language list.

Cheers,
~~ Ondra