RFR: 8258422: Cleanup unnecessary null comparison before instanceof check in java.base [v2]

[Alan Bateman]

On Tue, 15 Dec 2020 19:52:31 GMT, Andrey Turbanov <github.com+741251+turbanoff at openjdk.org> wrote:

>> 8258422: Cleanup unnecessary null comparison before instanceof check in java.base
>
> Andrey Turbanov has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
> 
>  - 8258422: Cleanup unnecessary null comparison before instanceof check in java.base
>    use instanceof pattern matching
>  - 8258422: Cleanup unnecessary null comparison before instanceof check in java.base

src/java.base/windows/classes/sun/nio/fs/WindowsPath.java line 803:

> 801:         if (obj instanceof WindowsPath path) {
> 802:             return compareTo(path) == 0;
> 803:         }

Can you do the same in UnixPath?

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PR: https://git.openjdk.java.net/jdk/pull/20