diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.5/S12.5_A11.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.5/S12.5_A11.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * {} within the "if" expression is not allowed
+ *
+ * @path ch12/12.5/S12.5_A11.js
+ * @description Checking if execution of "if({1})" fails
+ * @negative
+ */
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#
+if({1})
+  {
+    ;
+  }else
+  {
+    ;
+  }
+//
+//////////////////////////////////////////////////////////////////////////////
+