RFR: 8350758: G1: Use actual last prediction in accumulated survivor rate prediction too [v2]

[Thomas Schatzl]

On Thu, 27 Feb 2025 12:59:14 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

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

Thanks @walulyai @albertnetymk for your reviews.

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PR Comment: https://git.openjdk.org/jdk/pull/23795#issuecomment-2690754693