RFR: 8328366: Thread.setContextClassloader from thread in FJP commonPool task no longer works after JDK-8327501

[Viktor Klang]

On Tue, 19 Mar 2024 12:16:29 GMT, Viktor Klang <vklang at openjdk.org> wrote:

> This is a draft PR with a potential solution to 8328366 without regressing 8327501.
> 
> @DougLea To avoid regressions in the future, where would regression tests for this ideally be located?

@DougLea @AlanBateman Added a regression test to ForkJoinPool9Test. I think this is the fix we need. Please review.

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PR Comment: https://git.openjdk.org/jdk/pull/18374#issuecomment-2009993580