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diff --git a/V8Binding/v8/test/mjsunit/stack-traces.js b/V8Binding/v8/test/mjsunit/stack-traces.js
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+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Error.captureStackTraces = true;
+
+function testMethodNameInference() {
+  function Foo() { }
+  Foo.prototype.bar = function () { FAIL; };
+  (new Foo).bar();
+}
+
+function testNested() {
+  function one() {
+    function two() {
+      function three() {
+        FAIL;
+      }
+      three();
+    }
+    two();
+  }
+  one();
+}
+
+function testArrayNative() {
+  [1, 2, 3].map(function () { FAIL; });
+}
+
+function testImplicitConversion() {
+  function Nirk() { }
+  Nirk.prototype.valueOf = function () { FAIL; };
+  return 1 + (new Nirk);
+}
+
+function testEval() {
+  eval("function Doo() { FAIL; }; Doo();");
+}
+
+function testNestedEval() {
+  var x = "FAIL";
+  eval("function Outer() { eval('function Inner() { eval(x); }'); Inner(); }; Outer();");
+}
+
+function testValue() {
+  Number.prototype.causeError = function () { FAIL; };
+  (1).causeError();
+}
+
+function testConstructor() {
+  function Plonk() { FAIL; }
+  new Plonk();
+}
+
+// Utility function for testing that the expected strings occur
+// in the stack trace produced when running the given function.
+function testTrace(fun, expected) {
+  var threw = false;
+  try {
+    fun();
+  } catch (e) {
+    for (var i = 0; i < expected.length; i++) {
+      assertTrue(e.stack.indexOf(expected[i]) != -1);
+    }
+    threw = true;
+  }
+  assertTrue(threw);
+}
+
+// Test that the error constructor is not shown in the trace
+function testCallerCensorship() {
+  var threw = false;
+  try {
+    FAIL;
+  } catch (e) {
+    assertEquals(-1, e.stack.indexOf('at new ReferenceError'));
+    threw = true;
+  }
+  assertTrue(threw);
+}
+
+// Test that the explicit constructor call is shown in the trace
+function testUnintendedCallerCensorship() {
+  var threw = false;
+  try {
+    new ReferenceError({
+      toString: function () {
+        FAIL;
+      }
+    });
+  } catch (e) {
+    assertTrue(e.stack.indexOf('at new ReferenceError') != -1);
+    threw = true;
+  }
+  assertTrue(threw);
+}
+
+// If an error occurs while the stack trace is being formatted it should
+// be handled gracefully.
+function testErrorsDuringFormatting() {
+  function Nasty() { }
+  Nasty.prototype.foo = function () { throw new RangeError(); };
+  var n = new Nasty();
+  n.__defineGetter__('constructor', function () { CONS_FAIL; });
+  var threw = false;
+  try {
+    n.foo();
+  } catch (e) {
+    threw = true;
+    assertTrue(e.stack.indexOf('<error: ReferenceError') != -1);
+  }
+  assertTrue(threw);
+  threw = false;
+  // Now we can't even format the message saying that we couldn't format
+  // the stack frame.  Put that in your pipe and smoke it!
+  ReferenceError.prototype.toString = function () { NESTED_FAIL; };
+  try {
+    n.foo();
+  } catch (e) {
+    threw = true;
+    assertTrue(e.stack.indexOf('<error>') != -1);
+  }
+  assertTrue(threw);
+}
+
+testTrace(testArrayNative, ["Array.map (native)"]);
+testTrace(testNested, ["at one", "at two", "at three"]);
+testTrace(testMethodNameInference, ["at Foo.bar"]);
+testTrace(testImplicitConversion, ["at Nirk.valueOf"]);
+testTrace(testEval, ["at Doo (eval at testEval"]);
+testTrace(testNestedEval, ["at eval (eval at Inner (eval at Outer"]);
+testTrace(testValue, ["at Number.causeError"]);
+testTrace(testConstructor, ["new Plonk"]);
+
+testCallerCensorship();
+testUnintendedCallerCensorship();
+testErrorsDuringFormatting();