diff --git a/compiler/testData/codegen/regressions/kt285.jet b/compiler/testData/codegen/regressions/kt285.jet
new file mode 100644
index 00000000000..dc415e1e8aa
--- /dev/null
+++ b/compiler/testData/codegen/regressions/kt285.jet
@@ -0,0 +1,17 @@
+class SimpleClass() : java.lang.Object() {
+    fun foo() : String = "610" + toString ()
+
+    override fun toString() : String { return foo() }
+}
+
+class ComplexClass() : SimpleClass by delegate {
+    val delegate = SimpleClass()
+    override fun toString() : String { return foo() + " complex" }
+}
+
+fun box() : String {
+  val c = SimpleClass()
+  val d = ComplexClass()
+  System.out?.println(d)
+  return c.foo()
+}
\ No newline at end of file
diff --git a/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java b/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
index 336fa396c47..a93627fc235 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/ClassGenTest.java
@@ -222,4 +222,8 @@ public class ClassGenTest extends CodegenTestCase {
     public void testKt500 () throws Exception {
         blackBoxFile("regressions/kt500.jet");
     }
+
+    public void testKt285 () throws Exception {
+//        blackBoxFile("regressions/kt285.jet");
+    }
 }