diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch08/8.4/S8.4_A12.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch08/8.4/S8.4_A12.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Assignment to string literal calls String constructor
+ *
+ * @path ch08/8.4/S8.4_A12.js
+ * @description Check constructor of simple assigned variable
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+var str = "rock'n'roll";
+if (str.constructor !== String){
+  $ERROR('#1: var str = "rock\'n\'roll"; str.constructor === String. Actual: ' + (str.constructor));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+