diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_1/extensions/new-parenthesization.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_1/extensions/new-parenthesization.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor: Jesse Ruderman
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 521456;
+var summary =
+  'Incorrect decompilation of new (eval(v)).s and new (f.apply(2)).s';
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+function foo(c) { return new (eval(c)).s; }
+function bar(f) { var a = new (f.apply(2).s); return a; }
+
+assertEq(bar.toString().search(/new\s+f/), -1);
+assertEq(foo.toString().search(/new\s+eval/), -1);
+
+reportCompare(true, true);