diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug735161.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug735161.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+var obj = {valueOf: function() { "use strict"; undeclared = 7; }};
+try { '' + obj; assertEq(true, false); } catch(e) { }
+try { '' + obj; assertEq(true, false); } catch(e) { }
+assertEq("undeclared" in this, false);