Integrated: Merge jdk19

[David Holmes]

Forward port JDK 19 -> JDK 20

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Commit messages:
 - Merge remote-tracking branch 'jdk19/master' into Merge_jdk19
 - 8292260: [BACKOUT] JDK-8279219: [REDO] C2 crash when allocating array of size too large

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=jdk&pr=9871&range=00.0
 - jdk19: https://webrevs.openjdk.org/?repo=jdk&pr=9871&range=00.1

Changes: https://git.openjdk.org/jdk/pull/9871/files
  Stats: 308 lines in 11 files changed: 53 ins; 232 del; 23 mod
  Patch: https://git.openjdk.org/jdk/pull/9871.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9871/head:pull/9871

PR: https://git.openjdk.org/jdk/pull/9871