RFR: 7903671: jcstress: Update buffer tests for JDK-8318966

[Jiří Vaněk]

On Wed, 26 Feb 2025 17:50:28 GMT, Jiří Vaněk <jvanek at openjdk.org> wrote:

> part 1:  Detecting jdk of target VM and exuding illegible tests
> 
> This is prequel to full fixing of CODETOOLS-7903671. This PR detects target JDK version and then disables illegible tests.
> part 2 will be done in templates of affected tests and logic around generating the classes from them. In meantime this should server.
> 
> The jdk detection will be most likely used anyway. WDYT? If we agree on similar approach, I will create a new bug for this PR only.

You mean " So older JDKs would test both alignment(1) and alignment(8). Newer JDKs only run alignment(**1**) tests." right? Well that make sense to me.

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PR Comment: https://git.openjdk.org/jcstress/pull/159#issuecomment-2949715890