RFR: 8376351: Parallel: Convert ParallelScavengeHeap to use Atomic<T>

[Albert Mingkun Yang]

On Mon, 26 Jan 2026 16:28:45 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change to use `Atomic<T>` in `ParallelScavengeHeap`.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29424#pullrequestreview-3772086298