RFR: 8263567: gtests don't terminate the VM safely [v3]

[Daniel D.Daugherty]

On Fri, 6 Aug 2021 05:22:51 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Please review this fix to shutdown cleanly any JVMs created by gtests that aren't aborted.
>> 
>> Testing:
>>   - manual instrumentation to check all JVM construction and then deletion during gtest runs
>>   - local gtest testing
>>   - tiers 1-3 gtest testing
>> 
>> Thanks,
>> David
>
> David Holmes has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixed superfluous blank

Thumbs up.

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Marked as reviewed by dcubed (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4986