diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8/regress/regress-479740.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8/regress/regress-479740.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+/* -*- 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 = 479740;
+var summary = 'TM: Do not crash @ TraceRecorder::test_property_cache';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+jit(true);
+
+try
+{
+  eval(
+    '  function f() {' +
+    '    for ( foobar in (function() {' +
+    '          for (var x = 0; x < 2; ++x) {' +
+    '            if (x % 2 == 1) { yield (this.z.z) = function(){} }' +
+    '            eval("this", false);' +
+    '          }' +
+    '        })());' +
+    '      function(){}' +
+    '  }' +
+    '  f();'
+    );
+}
+catch(ex)
+{
+}
+jit(false);
+
+
+reportCompare(expect, actual, summary);