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

[Christian Hagedorn]

On Tue, 6 Aug 2024 11:43:32 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

@shipilev @liach Since you've already looked at this idea in https://github.com/openjdk/jdk/pull/19635, I'm kindly asking you to also have a look at this PR, thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/20477#issuecomment-2271093719