RFR: 8364414: G1: Use simpler data structure for holding collection set candidates during calculation [v2]

[Thomas Schatzl]

On Mon, 18 Aug 2025 07:02:32 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

>> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   * fix sort function
>
> Marked as reviewed by iwalulya (Reviewer).

Thanks @walulyai @albertnetymk for your reviews.

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PR Comment: https://git.openjdk.org/jdk/pull/26572#issuecomment-3209754269