src/java.base/share/classes/java/util/concurrent/locks/ReentrantReadWriteLock.java

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rev 12972 : 8140606: Update library code to use internal Unsafe
Reviewed-by: duke

@@ -1499,11 +1499,11 @@
     static final long getThreadId(Thread thread) {
         return U.getLongVolatile(thread, TID);
     }
 
     // Unsafe mechanics
-    private static final sun.misc.Unsafe U = sun.misc.Unsafe.getUnsafe();
+    private static final jdk.internal.misc.Unsafe U = jdk.internal.misc.Unsafe.getUnsafe();
     private static final long TID;
     static {
         try {
             TID = U.objectFieldOffset
                 (Thread.class.getDeclaredField("tid"));