hg: jdk/jdk: 8224115: Shenandoah: Eliminate RWLock that protects recorded nmethod data array

[zgu at redhat.com]

Changeset: fc66237d5eae
Author:    zgu
Date:      2019-05-22 21:24 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/fc66237d5eae

8224115: Shenandoah: Eliminate RWLock that protects recorded nmethod data array
Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.hpp