[lworld] RFR: 8351569: [lworld] Revisit atomic access modes in flat var handles [v9]

[Chen Liang]

On Fri, 21 Mar 2025 21:47:39 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> This PR is an attempt to put var handle support for flat values on a more solid footing. Some more notes in a comment below.
>
> Maurizio Cimadamore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/java.base/share/classes/jdk/internal/misc/Unsafe.java
>   
>   Co-authored-by: Chen Liang <liach at openjdk.org>

Looks good.

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Marked as reviewed by liach (no project role).

PR Review: https://git.openjdk.org/valhalla/pull/1402#pullrequestreview-2707579229