1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/non262/regress/regress-504078.js b/js/src/tests/non262/regress/regress-504078.js
new file mode 100644
index 0000000000..b93eaa8135
--- /dev/null
+++ b/js/src/tests/non262/regress/regress-504078.js
@@ -0,0 +1,48 @@
+/* -*- tab-width: 2; 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 = 504078;
+var summary = 'Iterations over global object';
+var actual = '';
+var expect = '';
+
+var g = (typeof window == 'undefined' ? this : window);
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function keys(obj) {
+    for (var prop in obj) {
+    }
+  }
+
+  var data = { a : 1, b : 2 };
+  var data2 = { a : 1, b : 2 };
+
+  function boot() {
+	  keys(data);
+    keys(g);
+    keys(data2); // this call dies with "var prop is not a function"
+    print('no error');
+  }
+
+  try
+  {
+    boot();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+}