[lworld] RFR: Merge jdk

[David Simms]

Merge jdk-26+21

-------------

Commit messages:
 - Further 8365722 problem listed
 - Merge jdk
 - 8370156: Fix jpackage IconTest
 - 8064922: [macos] Test javax/swing/JTabbedPane/4624207/bug4624207.java fails
 - 8367002: Missing compiled exception handler for "recursive" exception
 - 8359472: JVM crashes when attaching a dynamic agent before JVMTI_PHASE_LIVE
 - 8359057: AbstractInterpreter::is_not_reached returns incorrectly with invokedynamic
 - 8367008: Algorithm identifiers for HmacSHA* should always have NULL as params
 - 8370377: Avoid resolving constant pool entries during preimage generation in the training run
 - 8370442: Compilation error in jpackage EntitlementsTest test
 - ... and 107 more: https://git.openjdk.org/valhalla/compare/612168ef...b15d2e2d

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=1704&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=1704&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/1704/files
  Stats: 17104 lines in 500 files changed: 10241 ins; 3427 del; 3436 mod
  Patch: https://git.openjdk.org/valhalla/pull/1704.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1704/head:pull/1704

PR: https://git.openjdk.org/valhalla/pull/1704