RFR: 8286681: ShenandoahControlThread::request_gc misses the case of GCCause::_codecache_GC_threshold

[Jie Fu]

On Fri, 13 May 2022 06:36:42 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Hi all,
>> 
>> Some tests fail with Shenandoah GC after JDK-8282191.
>> The reason is that the assert in `ShenandoahControlThread::request_gc` misses the case of `GCCause::_codecache_GC_threshold`.
>> It would be better to fix it.
>> 
>> Thanks.
>> Best regards,
>> Jie
>
> test/jdk/java/foreign/TestIntrinsics.java line 48:
> 
>> 46:  *   -XX:+UseShenandoahGC
>> 47:  *   TestIntrinsics
>> 48:  */
> 
> Is this needed? The parameters looks the same as the first test description so if you are testing with +ShenandoahGC then it will run already.

Without `-XX:+UseShenandoahGC`, this bug wouldn't be exposed.

What do you mean by `if you are testing with +ShenandoahGC then it will run already`?

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PR: https://git.openjdk.java.net/jdk/pull/8691