RFR: 8367240: Parallel: Refactor PSScavengeCLDClosure [v2]

Tue Sep 9 11:48:01 UTC 2025

> Refactor `PSScavengeCLDClosure` and its "enclosing" `PSScavengeFromCLDClosure` so that all CLD logic is encapsulated in the CLD closure, without polluting the oop closure.
> 
> Test: tier1-3

Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:

  review

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27165/files
  - new: https://git.openjdk.org/jdk/pull/27165/files/79c03184..33fb3332

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27165&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27165&range=00-01

  Stats: 67 lines in 1 file changed: 28 ins; 28 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/27165.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27165/head:pull/27165

PR: https://git.openjdk.org/jdk/pull/27165