Upgrade V8 to 5.1.281.57  DO NOT MERGE

FPIIM-449

Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/test/mjsunit/regress/regress-crbug-476477-1.js b/test/mjsunit/regress/regress-crbug-476477-1.js
new file mode 100644
index 0000000..881c602
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-476477-1.js
@@ -0,0 +1,21 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var obj = {
+  _leftTime: 12345678,
+  _divider: function() {
+      var s = Math.floor(this._leftTime / 3600);
+      var e = Math.floor(s / 24);
+      var i = s % 24;
+      return {
+            s: s,
+            e: e,
+            i: i,
+          }
+    }
+}
+
+for (var i = 0; i < 1000; i++) {
+  obj._divider();
+}