Fix for 350887: CHECK failure on new_length->IsSmi()

test/mjsunit/regress/regress-350887.js

Index: test/mjsunit/regress/regress-350887.js
diff --git a/test/mjsunit/regress/regress-350887.js b/test/mjsunit/regress/regress-350887.js
new file mode 100644
index 0000000000000000000000000000000000000000..638aa30780dc0c9356ea5907ef815ea7a1c17967
--- /dev/null
+++ b/test/mjsunit/regress/regress-350887.js
@@ -0,0 +1,12 @@
+// Copyright 2014 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.
+
+var arr = [];
+assertSame(0, arr.length);
+assertSame(undefined, arr[0]);
+Object.defineProperty(arr, '2501866687', { value: 4, configurable: false });
+// 2501866688 is out of smi range.
+assertSame(2501866688, arr.length);
+assertSame(undefined, arr[0]);
+arr.length = 0;