diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-961741.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-961741.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,5 @@
+function r() {
+    for (var x in undefined) {}
+}
+setObjectMetadataCallback(true);
+r();