michael@0: var count = 0;
michael@0: Object.defineProperty(__proto__, "__iterator__", {
michael@0:     get: (function() {
michael@0: 	count++;
michael@0:     })
michael@0: })
michael@0: __proto__ = (function(){})
michael@0: for (var m = 0; m < 7; ++m) {
michael@0:     for (var a in 6) {}
michael@0: }
michael@0: assertEq(count, 7);