Integrated: 8314100: G1: Improve collection set candidate selection code

[Thomas Schatzl]

On Fri, 11 Aug 2023 07:36:23 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   discussions during review of [JDK-8140326](https://bugs.openjdk.org/browse/JDK-8140326) indicated that he code surrounding selecting candidates after marking/rebuild for the collection set could be improved.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

This pull request has now been integrated.

Changeset: 8939d15d
Author:    Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/8939d15d92982300f090bc1c51f59550529eaaf3
Stats:     49 lines in 2 files changed: 18 ins; 25 del; 6 mod

8314100: G1: Improve collection set candidate selection code

Reviewed-by: ayang, iwalulya

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PR: https://git.openjdk.org/jdk/pull/15243