Extract some common behavior checks from the generated VarHandleGuards code to a package-private VarHandle method. This reduces the code size (-5.2kb lib/modules) and slightly improves startup, while being performance neutral on microbenchmarks.
------------- Commit messages: - Outline VarHandleGuard exact behavior checks Changes: https://git.openjdk.java.net/jdk/pull/4165/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4165&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8267614 Stats: 338 lines in 3 files changed: 14 ins; 243 del; 81 mod Patch: https://git.openjdk.java.net/jdk/pull/4165.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4165/head:pull/4165 PR: https://git.openjdk.java.net/jdk/pull/4165
