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

[Vladimir Kozlov]

On Thu, 1 Apr 2021 14:03:48 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Simplify `ClassHierarchyWalker::is_witness()`.
>> 
>> Testing: hs-tier1 - hs-tier4.
>
> 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.

-------------

Marked as reviewed by kvn (Reviewer).

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