RFR: 8367743: G1: Use named constants for G1CSetCandidateGroup group ids

[Ivan Walulya]

On Tue, 16 Sep 2025 10:04:52 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

Marked as reviewed by iwalulya (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27309#pullrequestreview-3229912437