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-551287.js b/test/mjsunit/regress/regress-crbug-551287.js
new file mode 100644
index 0000000..a85deef
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-551287.js
@@ -0,0 +1,17 @@
+// 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.
+
+// Flags: --allow-natives-syntax
+
+function f() { do { } while (true); }
+
+function boom(x) {
+  switch(x) {
+    case 1:
+    case f(): return;
+  }
+}
+
+%OptimizeFunctionOnNextCall(boom)
+boom(1);