diff --git a/test/127-secondarydex/expected.txt b/test/127-secondarydex/expected.txt
index 29a1411..1c8defb 100644
--- a/test/127-secondarydex/expected.txt
+++ b/test/127-secondarydex/expected.txt
@@ -1,3 +1,4 @@
 testSlowPathDirectInvoke
 Test
 Got null pointer exception
+Test
diff --git a/test/127-secondarydex/src/Main.java b/test/127-secondarydex/src/Main.java
index c921c5b..0ede8ed 100644
--- a/test/127-secondarydex/src/Main.java
+++ b/test/127-secondarydex/src/Main.java
@@ -24,6 +24,7 @@
 public class Main {
     public static void main(String[] args) {
         testSlowPathDirectInvoke();
+        testString();
     }
 
     public static void testSlowPathDirectInvoke() {
@@ -40,4 +41,11 @@
             System.out.println("Got unexpected exception " + e);
         }
     }
+
+    // For string change, test that String.<init> is compiled properly in
+    // secondary dex. See http://b/20870917
+    public static void testString() {
+        Test t = new Test();
+        System.out.println(t.toString());
+    }
 }
diff --git a/test/127-secondarydex/src/Test.java b/test/127-secondarydex/src/Test.java
index 82cb901..8547e79 100644
--- a/test/127-secondarydex/src/Test.java
+++ b/test/127-secondarydex/src/Test.java
@@ -22,4 +22,8 @@
     private void print() {
         System.out.println("Test");
     }
+
+    public String toString() {
+        return new String("Test");
+    }
 }