src/java.base/share/classes/java/time/chrono/MinguoDate.java

@@ -102,10 +102,11 @@
   * This class is immutable and thread-safe.
   *
   * @since 1.8
   */
  @jdk.internal.ValueBased
+ @jdk.internal.MigratedValueClass
  public final class MinguoDate
          extends ChronoLocalDateImpl<MinguoDate>
          implements ChronoLocalDate, Serializable {
  
      /**