Integrated: Merge jdk18

[Jesper Wilhelmsson]

On Thu, 23 Dec 2021 17:11:15 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

> Forwardport JDK 18 -> JDK 19

This pull request has now been integrated.

Changeset: a3b1c6b0
Author:    Jesper Wilhelmsson <jwilhelm at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/a3b1c6b03600da21b00a1f37ea4712096d636b14
Stats:     299 lines in 17 files changed: 141 ins; 126 del; 32 mod

Merge

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PR: https://git.openjdk.java.net/jdk/pull/6931