diff -r 000000000000 -r 959103a6100f test/tools/javac/6199662/Tree.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/6199662/Tree.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2005, 2008, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 6199662 6325201 6726015
+ * @summary javac: compilation success depends on compilation order
+ *
+ * @compile Tree.java TreeScanner.java TreeInfo.java
+ * @compile TreeInfo.java TreeScanner.java Tree.java
+ *
+ * @compile -XDcompilePolicy=bytodo Tree.java TreeScanner.java TreeInfo.java
+ * @compile -XDcompilePolicy=bytodo TreeInfo.java TreeScanner.java Tree.java
+ *
+ * @compile -XDcompilePolicy=byfile Tree.java TreeScanner.java TreeInfo.java
+ * @compile -XDcompilePolicy=byfile TreeInfo.java TreeScanner.java Tree.java
+ *
+ * @compile -XDcompilePolicy=simple Tree.java TreeScanner.java TreeInfo.java
+ * @compile -XDcompilePolicy=simple TreeInfo.java TreeScanner.java Tree.java
+ *
+ * @compile -XDcompilePolicy=check  Tree.java TreeScanner.java TreeInfo.java
+ * @compile -XDcompilePolicy=check  TreeInfo.java TreeScanner.java Tree.java
+ *
+ * @compile -XDcompilePolicy=attr   Tree.java TreeScanner.java TreeInfo.java
+ * @compile -XDcompilePolicy=attr   TreeInfo.java TreeScanner.java Tree.java
+ */
+
+package p;
+
+public abstract class Tree {
+
+    /** Visit this tree with a given visitor.
+     */
+    public abstract <E extends Throwable> void accept(Visitor<E> v) throws E;
+
+
+    /** A generic visitor class for trees.
+     */
+    public static abstract class Visitor<E extends Throwable> {
+        public void visitTree(Tree that)                   throws E { assert false; }
+    }
+}