RFR: 8339725: Concurrent GC crashed due to GetMethodDeclaringClass [v13]

[Liang Mao]

On Fri, 13 Sep 2024 02:41:00 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> The test depends on pthread and it's a stress test that fastdebug ran out of time. We don't want to trade off the crash reproduction probability to make fastdebug pass.
>
> The fastdebug testing is very important for hotspot testing. Is it possible just to increase timeout so test pass with fastdebug? You can make 2 tests - 1 for product and 1 for fastdebug with different timeouts, if you want, but I would recommend just to increase the timeout. 
> Also, please exclude test from tier1_serviceability in TEST.groups because it takes too many time for tier1.

Fastdebug needs more than 30 minutes to finish and can hardly reproduce the crash. Do we still need that?

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PR Review Comment: https://git.openjdk.org/jdk/pull/20907#discussion_r1758215314