RFR: 8271870: G1: Add objArray splitting when scanning object with evacuation failure

[Ivan Walulya]

On Tue, 25 Mar 2025 10:35:58 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change that makes the object iteration path for evacuation failed objects the same as the one for regular objects (and indeed make both use the same code).
> 
> This has been made possible with the refactoring of object array task queues.
> 
> At the same time this also covers [JDK-8271871](https://bugs.openjdk.org/browse/JDK-8271871).
> 
> Testing: tier1-5, some perf testing with no differences
> 
> Thanks,
>   Thomas

Marked as reviewed by iwalulya (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24222#pullrequestreview-2736649318