[C++ Patch/RFC] Remove unify_success / unify_invalid unused parameter?

[Jason Merrill]

On 04/15/2014 12:21 PM, Paolo Carlini wrote:
> a lot of time ago I noticed that these parameters are unused: should I
> prepare a ChangeLog for the below or we have stylistic, etc, reasons for
> keeping the parameters?

I'd leave them alone, we might want to print something sometime.

> PS: I also see many int return types in the various unify* which could as well be bool. Opinions about that?

Doesn't seem worth bothering to change.

Jason