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-499790.js b/test/mjsunit/regress/regress-499790.js
new file mode 100644
index 0000000..ce2cd03
--- /dev/null
+++ b/test/mjsunit/regress/regress-499790.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: --enable-slow-asserts
+
+var a = [1];
+a.foo = "bla";
+delete a.foo;
+a[0] = 1.5;
+
+var a2 = [];
+a2.foo = "bla";
+delete a2.foo;