1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/regress/regress-453747.js b/js/src/tests/non262/regress/regress-453747.js
new file mode 100644
index 0000000000..93d54237b9
--- /dev/null
+++ b/js/src/tests/non262/regress/regress-453747.js
@@ -0,0 +1,34 @@
+/* -*- 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 = 453747;
+var summary = 'Do not assert with JIT: boxed.isUndefined() || boxed.isBoolean()';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+
+  (function(){
+    var a = [];
+    var s = 10;
+    for (var i = 0; i < s; ++i)
+      a[i] = 1;
+    a[4*s-1] = 2;
+    for (var i = s+1; i < s+4; ++i)
+      typeof a[i];
+  })();
+
+
+  reportCompare(expect, actual, summary);
+}