RFR: Merge lworld

[David Simms]

Merge lworld @jdk-18+2

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Commit messages:
 - Merge branch 'lworld' into lqagain_merge_lworld_18_2
 - Merge jdk
 - 8267752: KVHashtable doesn't deallocate entries
 - 8267870: Remove unnecessary char_converter during class loading
 - 8268078: ClassListParser::_interfaces should be freed
 - 8268780: Use 'print_cr' instead of 'print' for the message 'eliminated <owner is scalar replaced>'
 - Merge
 - 8268768: idea.sh has been updated in surprising and incompatible ways
 - 8268828: ProblemList compiler/intrinsics/VectorizedMismatchTest.java on win-x64
 - 8268723: Problem list SA core file tests on OSX when using ZGC
 - ... and 623 more: https://git.openjdk.java.net/valhalla/compare/52ee195b...f1fabd8b

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lqagain: https://webrevs.openjdk.java.net/?repo=valhalla&pr=450&range=00.0
 - lworld: https://webrevs.openjdk.java.net/?repo=valhalla&pr=450&range=00.1

Changes: https://git.openjdk.java.net/valhalla/pull/450/files
  Stats: 623518 lines in 5525 files changed: 523879 ins; 77624 del; 22015 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/450.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/450/head:pull/450

PR: https://git.openjdk.java.net/valhalla/pull/450