--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java	Thu Nov 08 16:23:55 2018 +0100
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/JCTree.java	Thu Nov 08 10:36:06 2018 -0500
@@ -1787,6 +1787,10 @@
         public Tag getTag() {
             return NEWCLASS;
         }
+
+        public boolean classDeclRemoved() {
+            return false;
+        }
     }
 
     /**