Add test for "TreeShaking: Detect instance fields never written"
Bug: 80455722
Change-Id: I65de4c34eafb982fa85f7081613ed7d71b3e959a
diff --git a/src/test/examples/shaking18/DerivedUnused.java b/src/test/examples/shaking18/DerivedUnused.java
new file mode 100644
index 0000000..cdcf50d
--- /dev/null
+++ b/src/test/examples/shaking18/DerivedUnused.java
@@ -0,0 +1,12 @@
+// 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 shaking18;
+
+public class DerivedUnused extends Base {
+
+ @Override
+ public String getMessage() {
+ return "Hello from DerivedUnused";
+ }
+}
