RFR: Merge lworld

Tue Sep 12 20:09:13 UTC 2023

Merge branch 'lworld' into lw5

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Commit messages:
 - Merge branch 'lworld' into lw5_merge_lworld
 - 8311219: [lworld] VM option "InlineFieldMaxFlatSize" cannot work well
 - 8313667: [lworld] XBarrierSetC2::clone_at_expansion() uses wrong array copy stub for cloning flat primitive type arrays
 - 8315412: [lworld] Preparing code for lw5

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/valhalla/pull/926/files
  Stats: 941 lines in 85 files changed: 311 ins; 100 del; 530 mod
  Patch: https://git.openjdk.org/valhalla/pull/926.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/926/head:pull/926

PR: https://git.openjdk.org/valhalla/pull/926