RFR: 8322859: Parallel: Move transform_stack_chunk [v2]

[Thomas Schatzl]

On Tue, 2 Jan 2024 17:34:59 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple moving the `transform_stack_chunk` call to match its counterpart in G1.
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Needs more background. Note that quick analysis indicates that this is okay ("make code appear like g1" isn't such a proof or attempt to prove), and the CAS can be relaxed (as suggested in #4751) but just in case I expect more analysis and testing before doing that.

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Changes requested by tschatzl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17227#pullrequestreview-1810950495