RFR: 8256237: Zero: non-PCH build fails after JDK-8253064

[Aleksey Shipilev]

On Wed, 11 Nov 2020 19:48:07 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

>> This shows up in GH actions, and reproduces locally:
>> 
>> 
>> 
>>    42 | Handle thread_group (THREAD, Universe::system_thread_group());
>>       | ^~~~~~~~
>> Attention @dcubed-ojdk ;)
>> 
>> Testing:
>>  - [x] Local Linux x86_64 Zero fastdebug build
>
> Thanks for fixing this.

Cheers! @dcubed-ojdk, please consider re-enabling submit workflow, if you had it disabled.

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PR: https://git.openjdk.java.net/jdk/pull/1174