diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,40 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A6_T4.js
+ * @description Checking if RelationalExpression is object
+ */
+
+MyFunct = function(){};
+__my__funct = new MyFunct;
+
+
+//CHECK#1
+if (!(__my__funct instanceof MyFunct)){
+	$ERROR('#1 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#2
+if (__my__funct instanceof Function){
+	$ERROR('#2 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#3
+if (!(__my__funct instanceof Object)){
+	$ERROR('#3 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#4
+try{
+	__my__funct instanceof __my__funct;
+	$ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+catch(e){  
+	if (e instanceof TypeError !== true) {
+      $ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+	}
+}
+