diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/Regress/regress-256617.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/Regress/regress-256617.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+// should fail with syntax error. won't run in browser...
+var BUGNUMBER = 256617;
+var summary = 'throw statement: eol should not be allowed';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+expect = 'syntax error';
+
+try
+{
+  eval('throw\n1;');
+  actual = 'throw ignored';
+}
+catch(e)
+{
+  if (e instanceof SyntaxError)
+  {
+    actual = 'syntax error';
+  }
+  else
+  {
+    actual = 'no error';
+  }
+}
+ 
+reportCompare(expect, actual, summary);