--- old/src/jdk.jextract/share/classes/com/sun/tools/jextract/tree/TreePrinter.java	2018-09-12 21:18:15.000000000 +0530
+++ new/src/jdk.jextract/share/classes/com/sun/tools/jextract/tree/TreePrinter.java	2018-09-12 21:18:12.000000000 +0530
@@ -86,7 +86,8 @@
     @Override
     public Void visitStruct(StructTree s, Void v) {
         defaultAction(s, v);
-        System.out.printf("%s layout = %s\n\n", s.name(), s.layout((ft, l) -> l));
+        System.out.printf("name = '%s', isAnonymous? = %b, layout = %s\n\n",
+            s.name(), s.isAnonymous(), s.layout((ft, l) -> l));
         List<? extends FieldTree> fields = s.fields();
         if (! fields.isEmpty()) {
             System.out.println("--> fields");