--- old/src/java.compiler/share/classes/javax/lang/model/element/ElementVisitor.java 2017-02-07 13:14:40.542853279 +0000 +++ new/src/java.compiler/share/classes/javax/lang/model/element/ElementVisitor.java 2017-02-07 13:14:40.421844970 +0000 @@ -159,6 +159,7 @@ * @param p a visitor-specified parameter * @return a visitor-specified result * @since 9 + * @spec JPMS */ default R visitModule(ModuleElement e, P p) { return visitUnknown(e, p);