RFR: 8337876: [IR Framework] Add support for IR tests with @Stable [v2]

[Christian Hagedorn]

On Tue, 6 Aug 2024 13:17:06 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> It is currently not possible to write IR tests with `@Stable` annotations because one need to somehow add the IR test classes to the boot classpath. This patch provides support to write such IR tests. I've added a section to the README to provide guidance on how this can be done.
>> 
>> This is motivated by https://github.com/openjdk/jdk/pull/19635.
>> 
>> I've tested this patch by taking the current patch of https://github.com/openjdk/jdk/pull/19635, dropping the `RestrictStable` flag and modifying the tests to work with the new IR framework feature:
>> 
>> TestFramework testFramework = new TestFramework();
>> testFramework
>>         .addFlags("-XX:-TieredCompilation",
>>                   "-XX:+UseParallelGC")
>>         .addTestClassesToBootClassPath()
>>         .start();
>> 
>> 
>> Thanks,
>> Christian
>
> Christian Hagedorn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review by Aleksey

Sorry for the delay. That is definitely a good idea to add a simple test to check the new feature. I've added such a test with `@Stable` that fails when not adding the test class to the boot classpath and works otherwise.

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PR Review: https://git.openjdk.org/jdk/pull/20477#pullrequestreview-2226971263