RFR: 8372566: Genshen: crash at ShenandoahScanRemembered::process_clusters after JDK-8371667

[Xiaolong Peng]

On Mon, 1 Dec 2025 16:42:16 GMT, Xiaolong Peng <xpeng at openjdk.org> wrote:

> Given that #28247 significantly changed the encoding of the request `type` here, and we already missed an incorrect usage in one spot, I think we should use the member function to test for a shared/lab allocation. Can we also check if there are other uses of `type()` that may not be safe now?

I have updated the PR to use the member function to test for a shared/lab allocation, thanks.

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PR Comment: https://git.openjdk.org/jdk/pull/28521#issuecomment-3597721121