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

8200123: Replace Thread.init with telescoping constructor
Reviewed-by: dholmes, mchung, plevart

@@ -410,15 +410,15 @@
     }
 
     /**
      * Returns the thread id for the given thread.  We must access
      * this directly rather than via method Thread.getId() because
-     * getId() is not final, and has been known to be overridden in
-     * ways that do not preserve unique mappings.
+     * getId() has been known to be overridden in ways that do not
+     * preserve unique mappings.
      */
     static final long getThreadId(Thread thread) {
-        return U.getLongVolatile(thread, TID);
+        return U.getLong(thread, TID);
     }
 
     // Hotspot implementation via intrinsics API
     private static final Unsafe U = Unsafe.getUnsafe();
     private static final long PARKBLOCKER = U.objectFieldOffset