RFR: Merge openjdk/jdk:master [v4]

[William Kemper]

> Merges tag jdk-23+6

William Kemper has updated the pull request incrementally with one additional commit since the last revision:

  Fix whitespace for jcheck

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Changes:
  - all: https://git.openjdk.org/shenandoah/pull/384/files
  - new: https://git.openjdk.org/shenandoah/pull/384/files/f8fac6e4..b8e867d4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=shenandoah&pr=384&range=03
 - incr: https://webrevs.openjdk.org/?repo=shenandoah&pr=384&range=02-03

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/shenandoah/pull/384.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah.git pull/384/head:pull/384

PR: https://git.openjdk.org/shenandoah/pull/384