--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeScanner.java	Sun Jun 09 15:48:57 2019 -0700
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeScanner.java	Mon Jun 10 05:09:52 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -219,6 +219,9 @@
     }
 
     public void visitBreak(JCBreak tree) {
+    }
+
+    public void visitYield(JCYield tree) {
         scan(tree.value);
     }