[lilliput-jdk21u:lilliput] RFR: Merge jdk21u:jdk-21.0.3+7 [v2]

[Roman Kennke]

> Let's merge the tag jdk-21.0.3+7.

Roman Kennke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 17 commits:

 - Merge tag 'jdk-21.0.3+7' into merge-jdk-21.0.3+7
   
   Added tag jdk-21.0.3+7 for changeset 07fc624683c5
 - 8321134: [Lilliput/JDK21] Fix repo permissions
   
   Reviewed-by: shade
 - Merge
 - 8319724: [Lilliput] ParallelGC: Forwarded objects found during heap inspection
   
   Backport-of: 0568386e062474b1fc31e2e7106db0079ded7d76
 - 8319524: [Lilliput] Only warn when compact headers are explicitly enabled
   
   Backport-of: 3f73f014097262455cc42a71c32af374b77b6efd
 - 8319135: [Lilliput] Fix objArrayOop gtest
   
   Backport-of: fc9020fbf193b1c6d2b2fb5d80192c3082dbcf2e
 - 8319163: [Lilliput/JDK21] Fix arrayOopDesc gtest
   
   Reviewed-by: shade
 - 8317954: [Lilliput/JDK21] Make C2 LoadNKlassCompactHeader more robust
   
   Reviewed-by: shade
 - 8316687: [Lilliput/JDK21] Various cleanups
   
   Reviewed-by: shade
 - 8316442: [Lilliput/JDK21] Problem-list compiler/ciReplay tests
   
   Reviewed-by: shade
 - ... and 7 more: https://git.openjdk.org/lilliput-jdk21u/compare/07fc6246...5eadae09

-------------

Changes: https://git.openjdk.org/lilliput-jdk21u/pull/17/files
  Webrev: https://webrevs.openjdk.org/?repo=lilliput-jdk21u&pr=17&range=01
  Stats: 3348 lines in 162 files changed: 2797 ins; 186 del; 365 mod
  Patch: https://git.openjdk.org/lilliput-jdk21u/pull/17.diff
  Fetch: git fetch https://git.openjdk.org/lilliput-jdk21u.git pull/17/head:pull/17

PR: https://git.openjdk.org/lilliput-jdk21u/pull/17