Small change of merging two classes to reduce inheritance chain length. Test: hotspot_gc
------------- Commit messages: - s1-merge-tenured-space Changes: https://git.openjdk.org/jdk/pull/11556/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11556&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8298264 Stats: 84 lines in 6 files changed: 7 ins; 56 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/11556.diff Fetch: git fetch https://git.openjdk.org/jdk pull/11556/head:pull/11556 PR: https://git.openjdk.org/jdk/pull/11556
