michael@0: Object.defineProperty(Object.prototype, "a", {
michael@0:     set: function(a) { eval(""); return 123; }
michael@0: });
michael@0: var obj = {};
michael@0: var obj2 = {x: 1};
michael@0: for (var i = 0; i < 100; i++) {
michael@0:     var res = (obj.a = obj2);
michael@0:     res.x = 0xbeef;
michael@0: }