RFR: 8342681: TestLoadBypassesNullCheck.java fails improperly specified VM option [v2]

[SendaoYan]

On Mon, 21 Oct 2024 16:44:26 GMT, SendaoYan <syan at openjdk.org> wrote:

>> Hi all,
>> Newly added test `gc/shenandoah/compiler/TestLoadBypassesNullCheck.java` fails `The unlock option must precede 'StressGCM'.` with release jdk build. This PR fix the test bug, only add `-XX:+UnlockDiagnosticVMOptions` to make test run passed by release jdk build.
>> The change has been verified locally with release/fastdebug/slowdebug on linux-x64. Test-fix only, no risk.
>
> SendaoYan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   only unlock Stress* VM option

Thanks for the review.

To make CI test less noisy, I will integrate right now, ignore the 24 hours rule. Test-fix only, no risk.

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PR Comment: https://git.openjdk.org/jdk/pull/21609#issuecomment-2428063808
PR Comment: https://git.openjdk.org/jdk/pull/21609#issuecomment-2428065005