[fixes #2682] Fix NPE, always add Javadoc return statement

test/transform/resource/after-ecj/WithMethodMarkedDeprecated.java

@@ -5,6 +5,9 @@ class WithMethodMarkedDeprecated {
   WithMethodMarkedDeprecated(int annotation, int javadoc) {
     super();
   }
+  /**
+   * @return a clone of this object, except with this updated property (returns {@code this} if an identical value is passed).
+   */
   public @java.lang.Deprecated @java.lang.SuppressWarnings("all") WithMethodMarkedDeprecated withAnnotation(final int annotation) {
     return ((this.annotation == annotation) ? this : new WithMethodMarkedDeprecated(annotation, this.javadoc));
   }