RFR: 8074101: Add verification that all tasks are actually claimed during roots processing [v4]

Wed Jan 13 11:19:12 UTC 2021

On Wed, 13 Jan 2021 10:32:12 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   review
>
> Marked as reviewed by kbarrett (Reviewer).

Addressed suggestions on the comments.

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PR: https://git.openjdk.java.net/jdk/pull/2046