RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u462-b03

Windows build will not run until [JDK-8358538](https://bugs.openjdk.org/browse/JDK-8358538) upgrades us to Windows 2025

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

Commit messages:
 - Merge jdk8u462-b03
 - 8186143: keytool -ext option doesn't accept wildcards for DNS subject alternative names
 - 8071996: split_if accesses NULL region of ConstraintCast

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=101&range=00.0
 - jdk8u:master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=101&range=00.1

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/101/files
  Stats: 121 lines in 4 files changed: 104 ins; 0 del; 17 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/101.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/101/head:pull/101

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/101