[lilliput-jdk21u:lilliput] RFR: 8329091: [Lilliput/JDK21] Fix tests after LM_LIGHTWEIGHT backports

[Roman Kennke]

On Tue, 26 Mar 2024 17:03:09 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> 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:
>>  - [x] tier1
>>  - [x] tier2
>
> test/jdk/com/sun/jdi/EATests.java line 2002:
> 
>> 2000:         lockInflatedByContention = new XYVal(1, 1);
>> 2001:         // Start thread that tries to enter lockInflatedByContention while the main thread owns it -> inflation
>> 2002:         TestScaffold.newThread(() -> {
> 
> Is this neccessary?

Yes, DebuggeeWrapper doesn't exist in 21. I believe it's a rename from 'TestScaffold'.

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PR Review Comment: https://git.openjdk.org/lilliput-jdk21u/pull/29#discussion_r1539766180