RFR: 8367743: G1: Use named constants for G1CSetCandidateGroup group ids [v2]

[Albert Mingkun Yang]

On Tue, 16 Sep 2025 14:27:02 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this refactoring to use named constants for cset candidate group ids instead of raw integers.
>> 
>> Testing: gha, local compilation, use in another patch for weeks
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   * fix id assigment in printregionlivenessclosure

Marked as reviewed by ayang (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/27309#pullrequestreview-3231091514