Cache method names to reduce the overhead of using StringBuilder to construct method names, which will make the performance test results more stable.
------------- Commit messages: - cache methodName Changes: https://git.openjdk.org/jdk/pull/21425/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21425&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341859 Stats: 13 lines in 1 file changed: 9 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/21425.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21425/head:pull/21425 PR: https://git.openjdk.org/jdk/pull/21425
