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

[Vladimir Ivanov]

On Thu, 1 Apr 2021 17:23:57 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> 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.

Thanks, Vladimir.

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