RFR (XS) 8237080: fatal error: VM thread could block on lock that may be held by a JavaThread during safepoint: SharedDecoder_lock

[coleen.phillimore at oracle.com]

Thanks Zhengyu!
Coleen

On 1/29/20 11:56 AM, Zhengyu Gu wrote:
> Looks good to me.
>
> -Zhengyu
>
> On 1/28/20 4:36 PM, coleen.phillimore at oracle.com wrote:
>> Summary: Set allow_vm_block to true for this lock.  It's 
>> _safepoint_check_never so it's sort of implied (you can't safepoint 
>> holding the lock and block out the vm thread).
>>
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2020/8237080.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8237080
>>
>> Ran test case with hard-coded failure, and tier1-6.
>>
>> Thanks,
>> Coleen
>>
>