RFR: 8248149: G1: change _cleaning_claimed from int to bool

[Albert Mingkun Yang]

On Thu, 15 Jun 2023 09:22:39 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change to fix some claim variable from `int` to `bool` as it should be.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14487#pullrequestreview-1481258910