RFR: 8318809: java/util/concurrent/ConcurrentLinkedQueue/WhiteBox.java shows intermittent failures on linux ppc64le and aarch64

[Viktor Klang]

On Wed, 22 Nov 2023 20:48:05 GMT, Viktor Klang <vklang at openjdk.org> wrote:

> We've seen some rare failures of the CLQ Whitebox test on "less-strong" architectures, and the only thing which -- given my research -- could be the culprit is spuriously failing weakCAS (which is correct in terms of the implementation of CLQ).
> 
> After discussion with @DougLea, it was decided as the CLQ implementation does not guarantee what the failing test tests, and modifying the test would mean that it would generally not be able to enforce anything, the test is invalid and should be removed -- hence this PR.

@AlanBateman If you happen to have a couple of seconds to spare, would you mind reviewing this? 🤔

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PR Comment: https://git.openjdk.org/jdk/pull/16786#issuecomment-1827798624