diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.5/S12.5_A10_T2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.5/S12.5_A10_T2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Function expession inside the "if" expression is allowed
+ *
+ * @path ch12/12.5/S12.5_A10_T2.js
+ * @description Using function expession "function __func(){return 0;}()" within "if" expression
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#
+if(function __func(){return 0;}()){
+    $ERROR('#1: Function expession inside the if expression is allowed');
+}else {
+    ;
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+