[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-26+16' into lworld_merge_jdk_26_16
Added tag jdk-26+16 for changeset a49856bb

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Commit messages:
 - Merge tag 'jdk-26+16' into lworld_merge_jdk_26_16
 - 8367969: C2: compiler/vectorapi/TestVectorMathLib.java fails without UnlockDiagnosticVMOptions
 - 8367740: assembler_<cpu>.inline.hpp should not include assembler.inline.hpp
 - 8367721: Test compiler/arguments/TestCompileTaskTimeout.java crashed: SIGSEGV
 - 8367689: Revert removal of several compilation-related vmStructs fields
 - 8339791: Refactor MiscUndecorated/ActiveAWTWindowTest.java
 - 8367278: Test compiler/startup/StartupOutput.java timed out after completion on Windows
 - 8367366: Do not support -XX:+AOTClassLinking for dynamic CDS archive
 - 8367333: C2: Vector math operation intrinsification failure
 - 8367787: Expand use of representation equivalence terminology in Float16
 - ... and 91 more: https://git.openjdk.org/valhalla/compare/dd10b98e...35f89535

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=1680&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=1680&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/1680/files
  Stats: 25409 lines in 698 files changed: 13211 ins; 6533 del; 5665 mod
  Patch: https://git.openjdk.org/valhalla/pull/1680.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1680/head:pull/1680

PR: https://git.openjdk.org/valhalla/pull/1680