RFR: 8264548: Dependencies: ClassHierarchyWalker::is_witness() cleanups [v2]

[Vladimir Kozlov]

On Thu, 1 Apr 2021 16:32:31 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Vladimir Ivanov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains one additional commit since the last revision:
>> 
>>   Refactor ClassHierarchyWalker::is_witness()
>
> Good.

> I created it as a dependent PR.
> 
> I think that's the way it works ([openjdk/skara#1087](https://github.com/openjdk/skara/pull/1087) which was used as an example in [1] looks similar).
> 
> [1] https://mail.openjdk.java.net/pipermail/jdk-dev/2021-March/005232.html

As I understand when you are creating PR which based on an other PR you have to change `base:` from `master` to corresponding `pr/3293`  so that only difference of current PR are seen.

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PR: https://git.openjdk.java.net/jdk/pull/3297