1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/non262/regress/regress-452498-092.js b/js/src/tests/non262/regress/regress-452498-092.js
new file mode 100644
index 0000000000..5fe86a9b0f
--- /dev/null
+++ b/js/src/tests/non262/regress/regress-452498-092.js
@@ -0,0 +1,37 @@
+/* -*- 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 = 452498;
+var summary = 'TM: upvar2 regression tests';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+// ------- Comment #92 From Jesse Ruderman
+
+  expect = 'SyntaxError: redeclaration of formal parameter e';
+  try
+  {
+    eval('(function (e) { var e; const e = undefined; });');
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+// Without patch: "SyntaxError: redeclaration of var e"
+// expected new behavior // With patch:    "SyntaxError: redeclaration of formal parameter e:"
+
+  reportCompare(expect, actual, summary);
+}