[lworld] RFR: JDK-8269172: Add java.util.Objects.newIdentity method

[Roger Riggs]

On Tue, 22 Jun 2021 20:14:15 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Replaces the existing Objects.newIdentity() method with the matching method in JDK17.

Yep, I figured to preempt a question about how to resolve the conflict between the old impl and new one and save some head-scratching.

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PR: https://git.openjdk.java.net/valhalla/pull/459