RFR: 8365055: G1: Merge Heap Roots phase incorrectly clears young gen remembered set every time [v3]

[Thomas Schatzl]

On Wed, 27 Aug 2025 21:56:18 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   * fix issue: remember the current young regions cset group occupancy much earlier
>
> Marked as reviewed by kbarrett (Reviewer).

Thanks @kimbarrett @walulyai for your reviews

-------------

PR Comment: https://git.openjdk.org/jdk/pull/26695#issuecomment-3232661462