diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_1/regress/regress-452498-110.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_1/regress/regress-452498-110.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* -*- 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 = 452498;
+var summary = 'TM: upvar2 regression tests';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+// ------- Comment #110 From Brendan Eich
+
+// (In reply to comment #107)
+
+  function f(a) { const b = a; print(++b); return b; }
+
+  expect = 'function f(a) { const b = a; print(++b); return b; }';
+  actual = f + '';
+  compareSource(expect, actual, 'function f(a) { const b = a; print(++b); return b; }');
+
+  expect = '01';
+  actual = 0;
+
+  function g(a) { const b = a; print(actual = ++b); return b; }
+  actual = String(actual) + g(1);
+  reportCompare(expect, actual, 'function g(a) { const b = a; print(actual = ++b); return b; }');
+
+  expect = '21';
+  actual = 0;
+
+  const x = 1; print(actual = ++x);
+  actual = String(actual) + x;
+
+  reportCompare(expect, actual, 'const x = 1; print(actual = ++x); ');
+
+  exitFunc ('test');
+}