Summary: remove unnecessary nmethodLocker See bug for more details. Tested with tier2-8.
open webrev at http://cr.openjdk.java.net/~coleenp/2019/8235273.01/webrev bug link https://bugs.openjdk.java.net/browse/JDK-8235273 (Note, this has a trivial merge with the change for JDK-8212160). Thanks, Coleen
