michael@0: function f1() {
michael@0: }
michael@0: function f2() {
michael@0: }
michael@0: function f3(o) {
michael@0:     f2 = Date.prototype;
michael@0: }
michael@0: var key = Object.getOwnPropertyNames(f1)[30];
michael@0: if(key) {
michael@0:     f3 = f1[key];
michael@0: }
michael@0: gc(); 
michael@0: gc();
michael@0: try {
michael@0: for(var i=0; i<10; i++) {
michael@0:     delete f2[1];
michael@0:     f3(function() {});
michael@0: }
michael@0: } catch (e) {}