RFR: 8365407: Race condition in MethodTrainingData::verify() [v4]

[Igor Veresov]

On Thu, 21 Aug 2025 16:47:02 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Igor Veresov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   More cleanup
>
> src/hotspot/share/runtime/java.cpp line 522:
> 
>> 520:   if (AOTVerifyTrainingData) {
>> 521:     EXCEPTION_MARK;
>> 522:     CompilationPolicy::wait_replay_training_at_init(THREAD);
> 
> It is called on VM exit but name is `_at_init`. May be drop that from name.

That's because `at_init` comes from `class initialization` events servicing. Those are enqueued after the class initialization is done. So, yes, it's at the shutdown, but the processing of class initializations is still happening.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26866#discussion_r2291750973