diff --git a/src/test/examples/classmerging/SyntheticBridgeSignaturesTest.java b/src/test/examples/classmerging/SyntheticBridgeSignaturesTest.java
new file mode 100644
index 0000000..a17d30a
--- /dev/null
+++ b/src/test/examples/classmerging/SyntheticBridgeSignaturesTest.java
@@ -0,0 +1,37 @@
+// Copyright (c) 2018, 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 classmerging;
+
+public class SyntheticBridgeSignaturesTest {
+
+  // If A is merged into ASub first, then the synthetic bridge for "void A.m(B)" will originally
+  // get the signature "void ASub.m(B)". Otherwise, if B is merged into BSub first, then the
+  // synthetic bridge will get the signature "void BSub.m(A)". In either case, it is important that
+  // the signatures of the bridge methods are updated after all classes have been merged vertically.
+  public static void main(String[] args) {
+    ASub a = new ASub();
+    BSub b = new BSub();
+    a.m(b);
+    b.m(a);
+  }
+
+  private static class A {
+
+    public void m(B object) {
+      System.out.println("In A.m()");
+    }
+  }
+
+  private static class ASub extends A {}
+
+  private static class B {
+
+    public void m(A object) {
+      System.out.println("In B.m()");
+    }
+  }
+
+  private static class BSub extends B {}
+}