RFR: 8376195: Convert ThreadLocalAllocBuffer to use Atomic<T> [v2]

[Ivan Walulya]

On Mon, 26 Jan 2026 11:00:10 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review the change to use `Atomic<T>` in `ThreadLocalAllocBuffer`.
>> 
>> Testing: gha
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - * kbarrett review
>  - * kbarrett review

Marked as reviewed by iwalulya (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29386#pullrequestreview-3740800467