[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-19+15' into lworld_merge_jdk_19_15
compiler/arraycopy/TestArrayCopyAsLoadsStores.java needs more work, post commit

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Commit messages:
 - compiler/arraycopy/TestArrayCopyAsLoadsStores.java needs more work, post commit
 - Adjust Testing
 - Bug with JDK-8281732
 - Original merge conflicts
 - Merge tag 'jdk-19+15' into lworld_merge_jdk_19_15
 - 8283562: JDK-8282306 breaks gtests on zero
 - 8283254: Remove redundant class jdk/internal/agent/spi/AgentProvider
 - 8283543: indentation error at com.sun.tools.javac.comp.Enter::visitTopLevel
 - 8283411: InflaterInputStream holds on to a temporary byte array of 512 bytes
 - 8282204: Use lea instructions for arithmetic operations on x86_64
 - ... and 498 more: https://git.openjdk.java.net/valhalla/compare/5d03db86...ed94860f

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/?repo=valhalla&pr=673&range=00.0
 - jdk: https://webrevs.openjdk.java.net/?repo=valhalla&pr=673&range=00.1

Changes: https://git.openjdk.java.net/valhalla/pull/673/files
  Stats: 116732 lines in 2489 files changed: 70520 ins; 36117 del; 10095 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/673.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/673/head:pull/673

PR: https://git.openjdk.java.net/valhalla/pull/673