[lworld] RFR: Merge jdk [v2]

[David Simms]

> Merge jdk-26+21

David Simms has updated the pull request incrementally with one additional commit since the last revision:

  Adjust testing for 8369043

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1704/files
  - new: https://git.openjdk.org/valhalla/pull/1704/files/b15d2e2d..82f5f8fa

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1704&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1704&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 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