Integrated: Merge jdk18

[Jesper Wilhelmsson]

On Thu, 6 Jan 2022 00:42:14 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

> Forwardport JDK 18 -> JDK 19

This pull request has now been integrated.

Changeset: 844dfb3a
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/844dfb3ab6a1d8b68ccdcc73726ee0f73cfcb3c8
Stats:     750 lines in 28 files changed: 687 ins; 8 del; 55 mod

Merge

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PR: https://git.openjdk.java.net/jdk/pull/6975