RFR: 8371956: Convert OopStorage to use Atomic<T> [v2]

[Kim Barrett]

On Tue, 18 Nov 2025 06:40:04 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Kim Barrett has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixed unintentional load_acquire in test
>
> Marked as reviewed by stefank (Reviewer).

Thanks for reviews @stefank and @tschatzl

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PR Comment: https://git.openjdk.org/jdk/pull/28338#issuecomment-3549485991