src/jdk/nashorn/internal/runtime/UserAccessorProperty.java

*** 185,194 ****
--- 185,199 ----
      public MethodHandle getGetter(final Class<?> type) {
          return Lookup.filterReturnType(USER_ACCESSOR_GETTER.methodHandle(), type);
      }
  
      @Override
+     void initMethodHandles(Class<?> structure) {
+         throw new UnsupportedOperationException();
+     }
+ 
+     @Override
      public ScriptFunction getGetterFunction(final ScriptObject obj) {
          final Object value = obj.getSpill(getterSlot);
          return (value instanceof ScriptFunction) ? (ScriptFunction) value : null;
      }