diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug730085.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug730085.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+load(libdir + "asserts.js");
+var calledToString = false;
+assertThrowsInstanceOf(function () { Object.prototype.hasOwnProperty.call(null,
+                      {toString: function () { calledToString = true; }}); },
+                       TypeError);
+assertEq(calledToString, true);