RFR: 8367347: Serial: Refactor CLDScanClosure [v6]

[Stefan Karlsson]

On Thu, 11 Sep 2025 10:14:26 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

>> Refactor `CLDScanClosure` so that all CLD logic is encapsulated in the CLD closure, without polluting the oop closure.
>> 
>> Test: tier1-2
>
> Francesco Andreuzzi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   bool check early

Marked as reviewed by stefank (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27199#pullrequestreview-3211730384