Minor refactoring to avoid the need to define two anonymous classes that override `EntryMap`. Minor speed-up in interpreter, as well.
------------- Commit messages: - Simplify jdk.internal.classfile.impl.EntryMap Changes: https://git.openjdk.org/jdk/pull/20966/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20966&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8340011 Stats: 49 lines in 2 files changed: 0 ins; 15 del; 34 mod Patch: https://git.openjdk.org/jdk/pull/20966.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20966/head:pull/20966 PR: https://git.openjdk.org/jdk/pull/20966
