Initial push.
diff --git a/src/test/examples/minification/InterfaceB.java b/src/test/examples/minification/InterfaceB.java
new file mode 100644
index 0000000..ceddaa7
--- /dev/null
+++ b/src/test/examples/minification/InterfaceB.java
@@ -0,0 +1,17 @@
+// 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 interface InterfaceB extends EmptyInterface {
+
+  /**
+   * This method is also defined in {@link InterfaceA} and {@link InterfaceD};
+   */
+  int functionFromIntToInt(int arg);
+
+  /**
+   * This signature is only defined here.
+   */
+  int uniqueLittleMethodInB();
+}