RFR: 8300447: Parallel: Refactor PSPromotionManager::drain_stacks_depth [v2]

[Kim Barrett]

On Wed, 18 Jan 2023 11:36:30 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple refactoring based on the counterpart in G1.
>> 
>> Test: hotspot_gc
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Marked as reviewed by kbarrett (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12063