There are many instanceof checks in the sun.reflection.annotation code; these would be improved by using pattern matching for instanceof.
------------- Commit messages: - JDK-8288227: Refactor annotation implementation to use pattern matching for instanceo Changes: https://git.openjdk.org/jdk/pull/9129/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=9129&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8288227 Stats: 57 lines in 4 files changed: 1 ins; 14 del; 42 mod Patch: https://git.openjdk.org/jdk/pull/9129.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9129/head:pull/9129 PR: https://git.openjdk.org/jdk/pull/9129