Initial push.
diff --git a/src/test/examples/minification/ClassD.java b/src/test/examples/minification/ClassD.java
new file mode 100644
index 0000000..9804afc
--- /dev/null
+++ b/src/test/examples/minification/ClassD.java
@@ -0,0 +1,19 @@
+// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package minification;
+
+public class ClassD implements InterfaceD {
+
+  @Override
+  public int anotherFunctionFromIntToInt(int arg) {
+    System.out.println("ClassD:anotherFunctionFromIntToInt");
+    return arg;
+  }
+
+  @Override
+  public int functionFromIntToInt(int arg) {
+    System.out.println("ClassD:functionFromIntToInt");
+    return arg;
+  }
+}