8329091: [Lilliput/JDK21] Fix tests after LM_LIGHTWEIGHT backports

[rkennke]

A few tests explicitely test LM_LIGHTWEIGHT locking-mode. In JDK22, LM_LIGHTWEIGHT became a non-experimental product option. Some tests that have been backported from JDK>=22 requires -XX:+UnlockExperimentalVMOptions in JDK21.

Testing:

• tier1
• tier2

---

Progress

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Issue

• JDK-8329091: [Lilliput/JDK21] Fix tests after LM_LIGHTWEIGHT backports (Bug - P4)

Reviewers

• Aleksey Shipilev (@shipilev - Committer)

Reviewing

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[bridgekeeper]

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[openjdk]

@rkennke This change now passes all automated pre-integration checks.

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After integration, the commit message for the final commit will be:

8329091: [Lilliput/JDK21] Fix tests after LM_LIGHTWEIGHT backports

Reviewed-by: shade

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[mlbridge]

Webrevs

• 00: Full (b719c424)

[rkennke]

Thanks!
/integrate

[openjdk]

Going to push as commit f40c90a.

[openjdk]

@rkennke Pushed as commit f40c90a.

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