added test for KT-232

idea/testData/codegen/regressions/kt232.jet

@@ -0,0 +1,10 @@
+class A() {
+    fun foo() {
+        System.out?.println(1)
+    }
+}
+
+fun box() : String {
+    val a : A = A()
+    return "OK"
+}

idea/tests/org/jetbrains/jet/codegen/SafeRefTest.java

@@ -8,4 +8,8 @@ public class SafeRefTest extends CodegenTestCase {
     public void test245 () throws Exception {
         blackBoxFile("regressions/kt245.jet");
     }
+
+    public void test232 () throws Exception {
+        blackBoxFile("regressions/kt232.jet");
+    }
 }