RFR: 8065172: More core reflection final and volatile annotations

[Martin Buchholz]

On Tue, Nov 18, 2014 at 11:36 PM, Stanimir Simeonoff
<stanimir at riflexo.com> wrote:
> Hi,
>
> Signature hashCode  (the static class in MethodUtil) should be eagerly
> calculated (i.e. a final field too) since the only usage is being a key in
> the hashmap.
> I will add bit more later.

Thanks, Stanimir.  That's a good point.  (I was making all these
changes with mostly local reasoning)

Signature.hashCode is now final and has much simpler init code.