--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/defaultMethods/Pos06.java	Sun Nov 04 10:59:42 2012 +0000
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2010, 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
+ * @summary check that well-formed MI hierarchies behaves well w.r.t. method resolution (i.e. no ambiguities)
+ * @author  Maurizio Cimadamore
+ * @compile -XDallowDefaultMethods Pos06.java
+ */
+
+class Pos06 {
+     interface A {
+         default void m() { Pos06.impl(this); }
+     }
+
+     interface B extends A {
+         default void m() { Pos06.impl(this); }
+     }
+
+     static class X implements A, B { }
+
+     void test(X x) {
+         x.m();
+         ((A)x).m();
+         ((B)x).m();
+     }
+
+     static void impl(Object a) { }
+}