RFR: 8334394: Race condition in Class::protectionDomain [v2]

[Roger Riggs]

On Mon, 17 Jun 2024 15:24:27 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Make sure `pd` is always the same object when `getProtectionDomain0` is null.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   explain why the test is related to the fix

lgtm

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Marked as reviewed by rriggs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19752#pullrequestreview-2186068679