diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch08/8.5/S8.5_A2.1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch08/8.5/S8.5_A2.1.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.
+
+/**
+ * Number type represented as the double precision 64-bit format IEEE 754
+ *
+ * @path ch08/8.5/S8.5_A2.1.js
+ * @description Use 2^53 + 2 number and do some operation with it
+ */
+
+var x = 9007199254740994.0; /* 2^53 + 2 */
+var y = 1.0 - 1/65536.0;
+var z = x + y;
+var d = z - x;
+
+if (d !== 0){
+  $ERROR('#1: var x = 9007199254740994.0; var y = 1.0 - 1/65536.0; var z = x + y; var d = z - x; d === 0. Actual: ' + (d));
+}
+