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/es6/no-unicode-regexp-flag.js b/test/mjsunit/es6/no-unicode-regexp-flag.js
new file mode 100644
index 0000000..b56a4b5
--- /dev/null
+++ b/test/mjsunit/es6/no-unicode-regexp-flag.js
@@ -0,0 +1,24 @@
+// 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.
+
+// Before Unicode RegExps are shipped, we shouldn't have the 'unicode'
+// property on RegExp.prototype, or read it from 'flags'.
+// mjsunit/es6/regexp-flags tests that the property is there when the
+// flag is on.
+
+// Flags: --harmony-regexp
+
+'use strict';
+
+assertFalse(RegExp.prototype.hasOwnProperty('unicode'));
+
+// If we were going to be really strict, we could have a test like this,
+// with the assertTrue replaced by assertFalse, since flags shouldn't
+// Get the 'unicode' property. However, it is probably OK to omit this
+// detailed fix.
+var x = /a/;
+var y = false;
+Object.defineProperty(x, 'unicode', { get() { y = true; } });
+assertEquals("", x.flags);
+assertTrue(y);