1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/regress-421325.js b/js/src/tests/non262/Array/regress-421325.js
new file mode 100644
index 0000000000..fece43a64f
--- /dev/null
+++ b/js/src/tests/non262/Array/regress-421325.js
@@ -0,0 +1,31 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 421325;
+var summary = 'Dense Arrays and holes';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  Array.prototype[1] = 'bar';
+
+  var a = []; 
+  a[0]='foo'; 
+  a[2] = 'baz'; 
+  expect = 'foo,bar,baz';
+  actual = a + '';
+
+  reportCompare(expect, actual, summary);
+}