[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-16+17'

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Commit messages:
 - Treat flatArrayKlass as object in G1's copy to survivor space
 - Tag order matters
 - No longer assert correct decode
 - Merge tag 'jdk-16+17' into lworld_merge_jdk_16_17
 - 8253397: Ensure LogTag types are sorted
 - 8253457: Remove unimplemented register stack functions
 - 8253516: ZGC: Remove card table functions
 - 8252696: Loop unswitching may cause out of bound array load to be executed
 - 8253241: Update comment on java_suspend_self_with_safepoint_check()
 - 8253349: Remove unimplemented SharedRuntime::native_method_throw_unsupported_operation_exception_entry
 - ... and 77 more: https://git.openjdk.java.net/valhalla/compare/4a26a176...004797e6

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/?repo=valhalla&pr=196&range=00.0
 - jdk: https://webrevs.openjdk.java.net/?repo=valhalla&pr=196&range=00.1

Changes: https://git.openjdk.java.net/valhalla/pull/196/files
  Stats: 11513 lines in 360 files changed: 5921 ins; 4547 del; 1045 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/196.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/196/head:pull/196

PR: https://git.openjdk.java.net/valhalla/pull/196