Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/regress/regress-crbug-542101.js b/test/mjsunit/regress/regress-crbug-542101.js
new file mode 100644
index 0000000..1a4c2b3
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-542101.js
@@ -0,0 +1,10 @@
+// Copyright 2015 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.
+
+(function() {
+  Error.prototype.toString.call({
+    get name() { return { __proto__: this }; },
+    get message() { }
+  });
+})();