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diff --git a/js/src/tests/non262/RegExp/regress-98306.js b/js/src/tests/non262/RegExp/regress-98306.js
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+++ b/js/src/tests/non262/RegExp/regress-98306.js
@@ -0,0 +1,63 @@
+/* -*- 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/. */
+
+/*
+ * Date: 04 September 2001
+ *
+ * SUMMARY: Regression test for Bugzilla bug 98306
+ * "JS parser crashes in ParseAtom for script using Regexp()"
+ *
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=98306
+ */
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 98306;
+var summary = "Testing that we don't crash on this code -";
+var cnUBOUND = 10;
+var re;
+var s;
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  s = '"Hello".match(/[/]/)';
+  tryThis(s);
+
+  s = 're = /[/';
+  tryThis(s);
+
+  s = 're = /[/]/';
+  tryThis(s);
+
+  s = 're = /[//]/';
+  tryThis(s);
+
+  reportCompare('No Crash', 'No Crash', '');
+}
+
+
+// Try to provoke a crash -
+function tryThis(sCode)
+{
+  // sometimes more than one attempt is necessary -
+  for (var i=0; i<cnUBOUND; i++)
+  {
+    try
+    {
+      eval(sCode);
+    }
+    catch(e)
+    {
+      // do nothing; keep going -
+    }
+  }
+}