RFR: Merge jdk

[Mikael Vidstedt]

Merge in jdk-17+22

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Commit messages:
 - Merge jdk
 - 8266845: Shenandoah: Simplify SBS::load_reference_barrier implementation
 - 8250658: Performance of ClipFlatOval Renderperf test is very low
 - 8266567: Fix javadoc tag references in sun.management.jmxremote.ConnectorBootstrap
 - 8266798: C1: More types of instruction can also apply LoopInvariantCodeMotion
 - 8233378: CHT: Fast reset
 - 8266923: [JVMCI] expose StackOverflow::_stack_overflow_limit to JVMCI
 - 8266189: Remove C1 "IfInstanceOf" instruction
 - 8266874: Clean up C1 canonicalizer for TableSwitch/LookupSwitch
 - 8266808: Search label still uses old search field id
 - ... and 485 more: https://git.openjdk.java.net/portola/compare/d81572b9...a6ec04ef

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.java.net/?repo=portola&pr=26&range=00.0
 - jdk: https://webrevs.openjdk.java.net/?repo=portola&pr=26&range=00.1

Changes: https://git.openjdk.java.net/portola/pull/26/files
  Stats: 602244 lines in 5932 files changed: 65890 ins; 519486 del; 16868 mod
  Patch: https://git.openjdk.java.net/portola/pull/26.diff
  Fetch: git fetch https://git.openjdk.java.net/portola pull/26/head:pull/26

PR: https://git.openjdk.java.net/portola/pull/26