RFR: 8137018: [JVMCI] Encapsulate new Thread fields for JVMCI [v2]

[David Holmes]

On Fri, 3 Sep 2021 20:02:36 GMT, Tom Rodriguez <never at openjdk.org> wrote:

>> This evacuates all JVMCI related methods and fields into a separately declared struct.
>
> Tom Rodriguez has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review cleanups

Looks fine. Thanks for the updates.

David

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/5339