RFR: 8343840: Rewrite the ObjectMonitor lists [v2]

[Martin Doerr]

On Fri, 28 Feb 2025 07:00:40 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> I've used QEMU to smoke test this PR on ppc64le, riscv64 and s390x, But it would be nice if @TheRealMDoerr, @RealFYang and @offamitkumar could check if it runs okay on real hardware as well.

The PPC64 code looks correct and some quick tests have passed. I'll run larger test suites over the weekend.

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PR Comment: https://git.openjdk.org/jdk/pull/23421#issuecomment-2690327204