diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch07/7.6/S7.6_A2.1_T3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch07/7.6/S7.6_A2.1_T3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,75 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * IdentifierPart :: IdentifierStart
+ *
+ * @path ch07/7.6/S7.6_A2.1_T3.js
+ * @description IdentifierStart :: _
+ */
+
+//CHECK#1
+try {
+  var identifier = "x" + "_";     
+  eval("var " + identifier + "=1");
+  if (x_ !== 1) {
+    $ERROR('#1.1: var identifier = "x" + "_"; eval("var " + identifier + "=1"); x_ === 1. Actual: ' + (x_));
+  }
+} catch (e) {
+  $ERROR('#1.2: var identifier = "x" + "_"; eval("var " + identifier + "=1"); x_ === 1. Actual: ' + (x_));
+}
+
+//CHECK#2
+try {
+  var identifier = String.fromCharCode(0x0078) + "_";     
+  eval("var " + identifier + "=2");
+  if (x_ !== 2) {
+    $ERROR('#2.1: var identifier = String.fromCharCode(0x0078) + "_"; eval("var " + identifier + "=2"); x_ === 2. Actual: ' + (x_));
+  }
+} catch (e) {
+  $ERROR('#2.2: var identifier = String.fromCharCode(0x0078) + "_"; eval("var " + identifier + "=2"); x_ === 2. Actual: ' + (x_));
+}
+
+//CHECK#3
+try {
+  var identifier = "_" + "_";     
+  eval("var " + identifier + "=3");
+  if (__ !== 3) {
+    $ERROR('#3.1: var identifier = "_" + "_"; eval("var " + identifier + "=3"); __ === 3. Actual: ' + (__));
+  }
+} catch (e) {
+  $ERROR('#3.2: var identifier = "_" + "_"; eval("var " + identifier + "=3"); __ === 3. Actual: ' + (__));
+}
+
+//CHECK#4
+try {
+  var identifier = String.fromCharCode(0x005F) + String.fromCharCode(0x005F);     
+  eval("var " + identifier + "=4");
+  if (__ !== 4) {
+    $ERROR('#4.1: var identifier = String.fromCharCode(0x005F) + String.fromCharCode(0x005F); eval("var " + identifier + "=4"); __ === 4. Actual: ' + (__));
+  }
+} catch (e) {
+  $ERROR('#4.2: var identifier = String.fromCharCode(0x005F) + String.fromCharCode(0x005F); eval("var " + identifier + "=4"); __ === 4. Actual: ' + (__));
+}
+
+//CHECK#5
+try {
+  var identifier = "_" + "_";     
+  eval("var " + identifier + "=5");
+  if (__ !== 5) {
+    $ERROR('#5.1: var identifier = "_" + "_"; eval("var " + identifier + "=5"); __ === 5. Actual: ' + (__));
+  }
+} catch (e) {
+  $ERROR('#5.2: var identifier = "_" + "_"; eval("var " + identifier + "=5"); __ === 5. Actual: ' + (__));
+}
+
+//CHECK#6
+try {
+  var \u0078_ = 6;
+  if (x_ !== 6) {
+    $ERROR('#6.1: var \\u0078_ = 1; x_ === 6. Actual: ' + (x_));
+  }
+} catch (e) {
+  $ERROR('#6.2: var \\u0078_ = 1; x_ === 6. Actual: ' + (x_));
+}
+