Merging a super class into its single sub class. Test: tier1-6
------------- Commit messages: - merge-space Changes: https://git.openjdk.org/jdk/pull/17891/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17891&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8326065 Stats: 401 lines in 8 files changed: 50 ins; 313 del; 38 mod Patch: https://git.openjdk.org/jdk/pull/17891.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/17891/head:pull/17891 PR: https://git.openjdk.org/jdk/pull/17891
