RFR: 8373335: Serial: Clean up SerialHeap members by access specifies [v2]

Tue Dec 9 11:00:56 UTC 2025

On Tue, 9 Dec 2025 10:28:05 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Trivial moving member of `SerialHeap` so that all `private` fields/methods are altogether (at the top).
>>  
>> Test: tier1
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Marked as reviewed by jsikstro (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/28718#pullrequestreview-3556766442