diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug675889.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug675889.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function checkMethods(proto) {
+    var names = Object.getOwnPropertyNames(proto);
+    for (var i = 0; i < names.length; i++) {
+        var name = names[i];
+        var prop = proto[name];
+    }
+}
+checkMethods(Function.prototype);