src/java.base/share/classes/java/lang/reflect/Field.java

@@ -1126,10 +1126,15 @@
         if (root != null) {
             root.setFieldAccessor(accessor, overrideFinalCheck);
         }
     }
 
+    @Override
+    Field getRoot() {
+        return root;
+    }
+
     /**
      * @throws NullPointerException {@inheritDoc}
      * @since 1.5
      */
     public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {