[lworld] RFR: Merge jdk [v2]

[David Simms]

> Merge jdk-23+22

David Simms has updated the pull request incrementally with 63 additional commits since the last revision:

 - Merge jdk-23+23
 - 8302850: Implement C1 clone intrinsic that reuses arraycopy code for primitive arrays
   
   Reviewed-by: dlong, roland
 - 8329839: Cleanup ZPhysicalMemoryBacking trace logging
   
   Reviewed-by: stefank, ayang
 - 8332236: javac crashes with module imports and implicitly declared class
   
   Reviewed-by: vromero
 - 8330795: C2: assert((uint)type <= T_CONFLICT && _zero_type[type] != nullptr) failed: bad type with -XX:-UseCompressedClassPointers
   
   Reviewed-by: kvn
 - 8325932: Replace ATTRIBUTE_NORETURN with direct [[noreturn]]
   
   Reviewed-by: kbarrett, dholmes
 - 8332248: (fc) java/nio/channels/FileChannel/BlockDeviceSize.java failed with RuntimeException
   
   Reviewed-by: alanb
 - 8322008: Exclude some CDS tests from running with -Xshare:off
   
   Reviewed-by: lmesnik, iklam
 - 8313674: (fc) java/nio/channels/FileChannel/BlockDeviceSize.java should test for more block devices
   
   Reviewed-by: alanb, bpb
 - 8332042: Move MEMFLAGS to its own include file
   
   Reviewed-by: jsjolen, stefank
 - ... and 53 more: https://git.openjdk.org/valhalla/compare/98cd627b...031b75e5

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1250/files
  - new: https://git.openjdk.org/valhalla/pull/1250/files/98cd627b..031b75e5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1250&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1250&range=00-01

  Stats: 19594 lines in 361 files changed: 10238 ins; 6422 del; 2934 mod
  Patch: https://git.openjdk.org/valhalla/pull/1250.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1250/head:pull/1250

PR: https://git.openjdk.org/valhalla/pull/1250