Integrated: Merge lworld

[Vicente Romero]

Merge branch 'lworld' into jep_401_javac_merge_lworld
# Conflicts:
#	src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java

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Commit messages:
 - Merge branch 'lworld' into jep_401_javac_merge_lworld
 - Merge lworld
 - 8323790: [lworld] TestSuperclass.java failed after merging jdk-22+16, due to flag bugs
 - 8317415: [lworld] Preload_attribute needs moving to jdk.internal.classfile.attribute
 - 8325952: [lworld] tests refactoring, clean-up
 - 8325578: [lworld] removing references to primitive, vnew in javax.lang.model
 - Merge lworld
 - 8324873: [lworld] implementation of value classes construction
 - Merge lworld
 - Merge lworld
 - ... and 7 more: https://git.openjdk.org/valhalla/compare/1d120f32...571e3681

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

Changes: https://git.openjdk.org/valhalla/pull/1014/files
  Stats: 14752 lines in 300 files changed: 2779 ins; 11181 del; 792 mod
  Patch: https://git.openjdk.org/valhalla/pull/1014.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1014/head:pull/1014

PR: https://git.openjdk.org/valhalla/pull/1014