[lworld] RFR: Merge jdk

[David Simms]

Merge jdk-23+26 and jdk-23+27

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Commit messages:
 - Merge tag 'jdk-23+27' into lworld_merge_jdk_23_26
 - 8332920: C2: Partial Peeling is wrongly applied for CmpU with negative limit
 - 8333931: Problemlist serviceability/jvmti/vthread/CarrierThreadEventNotification
 - 8333829: ProblemList sun/security/pkcs11/sslecc/ClientJSSEServerJSSE.java due to JDK-8333317
 - 8333722: Fix CompilerDirectives for non-compiler JVM variants
 - Merge tag 'jdk-23+26' into lworld_merge_jdk_23_26
 - 8333743: Change .jcheck/conf branches property to match valid branches
 - 8332550: [macos] Voice Over: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
 - 8333674: Disable CollectorPolicy.young_min_ergo_vm for PPC64
 - 8333647: C2 SuperWord: some additional PopulateIndex tests
 - ... and 141 more: https://git.openjdk.org/valhalla/compare/2c876c9c...45e8794a

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=1257&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=1257&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/1257/files
  Stats: 26182 lines in 643 files changed: 16508 ins; 7046 del; 2628 mod
  Patch: https://git.openjdk.org/valhalla/pull/1257.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1257/head:pull/1257

PR: https://git.openjdk.org/valhalla/pull/1257