diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/for-of/next-3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/for-of/next-3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+// Iterators from another compartment work with their own .next method
+// when called from another compartment, but not with the other
+// compartment's .next method.
+
+// FIXME: 'next' should work cross-realm.  Bug 924059.
+
+load(libdir + "asserts.js");
+load(libdir + "iteration.js");
+
+var g = newGlobal();
+g.eval("var it = [1, 2]['" + std_iterator + "']();");
+assertIteratorNext(g.it, 1);
+assertThrowsInstanceOf([][std_iterator]().next.bind(g.it), TypeError)