hotspot/test/testlibrary/jdk/test/lib/Utils.java:54: error: Unsafe is not visible because package jdk.internal.misc is not visible
import jdk.internal.misc.Unsafe;
                        ^
hotspot/test/testlibrary/jdk/test/lib/Utils.java:100: error: cannot find symbol
    private static Unsafe unsafe = null;
                   ^
  symbol: class Unsafe
  location: class Utils
hotspot/test/testlibrary/jdk/test/lib/Utils.java:357: error: cannot find symbol
    public static synchronized Unsafe getUnsafe() {
                               ^
  symbol: class Unsafe
  location: class Utils
hotspot/test/testlibrary/jdk/test/lib/Utils.java:360: error: cannot find symbol
                Field f = Unsafe.class.getDeclaredField("theUnsafe");
                          ^
  symbol: class Unsafe
  location: class Utils
hotspot/test/testlibrary/jdk/test/lib/Utils.java:362: error: cannot find symbol
                unsafe = (Unsafe) f.get(null);
                          ^
  symbol: class Unsafe
  location: class Utils