[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-23+18' into lworld_merge_jdk_23_18
Added tag jdk-23+18 for changeset b04b3047

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Commit messages:
 - Merge tag 'jdk-23+18' into lworld_merge_jdk_23_18
 - 8329254: optimize integral reverse operations on x86 GFNI target.
 - 8329656: assertion failed in MAP_ARCHIVE_MMAP_FAILURE path: Invalid immediate -5 0
 - 8329491: GetThreadListStackTraces function should use JvmtiHandshake
 - 8329432: PopFrame and ForceEarlyReturn functions should use JvmtiHandshake
 - 8330033: com/sun/net/httpserver/bugs/B6431193.java fails in AssertionError after JDK-8326568
 - 8329961: Buffer overflow in os::Linux::kernel_version
 - 8327137: Add test for ConcurrentModificationException in BasicDirectoryModel
 - 8309751: Duplicate constant pool entries added during default method processing
 - 8326568: jdk/test/com/sun/net/httpserver/bugs/B6431193.java should use try-with-resource and try-finally
 - ... and 99 more: https://git.openjdk.org/valhalla/compare/e9ce5a94...30d3edef

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=1237&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=1237&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/1237/files
  Stats: 20583 lines in 570 files changed: 10034 ins; 7287 del; 3262 mod
  Patch: https://git.openjdk.org/valhalla/pull/1237.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1237/head:pull/1237

PR: https://git.openjdk.org/valhalla/pull/1237