src/java.base/share/classes/java/lang/Boolean.java

@@ -55,10 +55,11 @@
   * occur. For example, in a future release, synchronization may fail.
   *
   * @author  Arthur van Hoff
   * @since   1.0
   */
+ @jdk.internal.MigratedValueClass
  @jdk.internal.ValueBased
  public final class Boolean implements java.io.Serializable,
                                        Comparable<Boolean>, Constable
  {
      /**