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-filter-contexts.js b/test/mjsunit/regress/regress-filter-contexts.js
new file mode 100644
index 0000000..d2abe00
--- /dev/null
+++ b/test/mjsunit/regress/regress-filter-contexts.js
@@ -0,0 +1,14 @@
+// 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() { return f.x; }
+f.__proto__ = null;
+f.prototype = "";
+
+f();
+f();
+%OptimizeFunctionOnNextCall(f);
+f();