re-declaration and default args.

[Paolo Carlini]

Lars Gullik Bjønnes wrote:

>Is this supposed to compile, or should I create a PR?
>
Not being a language lawyer, looks like a regression: 3.3.2 accepts
it, as do the EDG-based compilers in strict mode.

To be sure, if you don't receive more authoritative feedback in the
next day or so, please submit a PR, that's my advice.

Paolo.