diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch10/10.2/10.2.1/S10.2.1_A2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch10/10.2/10.2.1/S10.2.1_A2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If two or more formal parameters share the same name, hence
+ * the same property, the corresponding property is given the value that was
+ * supplied for the last parameter with this name
+ *
+ * @path ch10/10.2/10.2.1/S10.2.1_A2.js
+ * @description Creating functions initialized with two or more formal parameters, which have the same name
+ * @noStrict
+ */
+
+//CHECK#1
+function f1(x, x) {
+  return x;
+}
+if(!(f1(1, 2) === 2)) {
+  $ERROR("#1: f1(1, 2) === 2");
+}
+
+//CHECK#2
+function f2(x, x, x){
+  return x*x*x;
+}
+if(!(f2(1, 2, 3) === 27)){
+  $ERROR("f2(1, 2, 3) === 27");
+}
+
+//CHECK#3
+function f3(x, x) {
+  return 'a' + x;
+}
+if(!(f3(1, 2) === 'a2')){
+  $ERROR("#3: f3(1, 2) === 'a2'");
+}
+