[8u76] Request for approval: 8140587: Atomic*FieldUpdaters should use Class.isInstance instead of direct class check

[Paul Sandoz]

> On 3 Dec 2015, at 19:14, Aleksey Shipilev <aleksey.shipilev at oracle.com> wrote:
> 
> I am not a 8u Committer, so if the change is approved, I'd need a sponsor.
> 

I can take this one in bulk with 8131782 and sort them out next week.

Regarding patch a or b, I defer to what Martin prefers.

—

What is the policy for pushing hotspot changes to 8u (of 8131782), are they required to be pushed through JPRT?

Paul.