--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Flags.java	Fri Sep 22 12:00:41 2017 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Flags.java	Fri Sep 22 14:06:11 2017 +0200
@@ -308,6 +308,11 @@
      */
     public static final long HAS_RESOURCE = 1L<<56;
 
+    /**
+     * Flag for synthesized default constructors of anonymous classes that have an enclosing expression.
+     */
+    public static final long ANONCONSTR_BASED = 1L<<57;
+
     /** Modifier masks.
      */
     public static final int