[15] RFR 8242216: ObjectSampler::weak_oops_do() should not trigger barrier

[Zhengyu Gu]

Thanks, Roman.

-Zhengyu

On 4/7/20 8:26 AM, Roman Kennke wrote:
> Looks good to me.
> 
> Thanks,
> Roman
> 
>> Hi,
>>
>> This is a similar problem as JDK-8237396.
>>
>> Shenandoah does not expect barriers on it GC paths. Otherwise, it causes
>> Shenandoah's OOM handler to fail.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8242216
>> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8242216/webrev.00/index.html
>>
>> Test:
>>    tier1 (fastdebug and release) on Linux x86_64
>>    Submit tests.
>>
>>
>> Thanks,
>>
>> -Zhengyu
>>
>