--- a/langtools/src/java.compiler/share/classes/javax/lang/model/util/AbstractTypeVisitor7.java	Tue Jun 28 13:33:04 2016 +0200
+++ b/langtools/src/java.compiler/share/classes/javax/lang/model/util/AbstractTypeVisitor7.java	Wed Jun 29 19:24:40 2016 -0700
@@ -89,5 +89,6 @@
      * @param p  {@inheritDoc}
      * @return the result of the visit as defined by a subclass
      */
+    @Override
     public abstract R visitUnion(UnionType t, P p);
 }