RFR: 8373116: Genshen: arraycopy_work should be done unconditionally by arraycopy_marking if the array is in an old region [v2]

[Xiaolong Peng]

On Fri, 5 Dec 2025 07:39:53 GMT, Xiaolong Peng <xpeng at openjdk.org> wrote:

> > After apply the proposed patch, the jvm crash do not observed by run the test 1000 times. But there is one "java.lang.OutOfMemoryError: Java heap space" test fails observed.
> > [848.log](https://github.com/user-attachments/files/23955591/848.log)
> 
> Thank you Sendao for the test and verification!
> 
> The OOM should be a unrelated issue, I'm not if there is open bug for it or not, please create a new one if there isn't.

Found it, https://bugs.openjdk.org/browse/JDK-8298781

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PR Comment: https://git.openjdk.org/jdk/pull/28669#issuecomment-3615657332