RFR: 8376664: Find a better place for the Atomic<HeapWord*> vmstructs toplevel declaration

[David Holmes]

On Tue, 10 Feb 2026 11:11:33 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change that moves the declaration of `Atomic<HeapWord*>` to gc specific vmstructs, replacing the old similarly used `HeapWord* volatile`. This is a much better place.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Looks good and trivial. Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29650#pullrequestreview-3793371982