diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-351448.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-351448.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,62 @@
+// |reftest| skip -- Yarr doesn't have the same complexity errors at execution time.
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 351448;
+var summary = 'RegExp - throw InternalError on too complex regular expressions';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var strings = [
+    "/.X(.+)+X/.exec('bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+X/.exec('bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+XX/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+XX/.exec('bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+[X]/.exec('bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+[X]/.exec('bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+[X][X]/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.X(.+)+[X][X]/.exec('bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.XX(.+)+X/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.XX(.+)+X/.exec('bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.XX(.+)+X/.exec('bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.XX(.+)+[X]/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.XX(.+)+[X]/.exec('bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X](.+)+[X]/.exec('bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X](.+)+[X]/.exec('bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X](.+)+[X][X]/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X](.+)+[X][X]/.exec('bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X][X](.+)+[X]/.exec('bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')",
+    "/.[X][X](.+)+[X]/.exec('bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')"
+    ];
+
+  expect = 'InternalError: regular expression too complex';
+
+  for (var i = 0; i < strings.length; i++)
+  {
+    try
+    {
+      eval(strings[i]);
+    }
+    catch(ex)
+    {
+      actual = ex + '';
+    }
+    reportCompare(expect, actual, summary + ': ' + strings[i]);
+  }
+
+  exitFunc ('test');
+}