michael@0: a = [];
michael@0: for (var i = 0; i < 1000; i++) {
michael@0:   a[i] = i;
michael@0: }
michael@0: function foo(x) {
michael@0:   for (var i in x) {
michael@0:   }
michael@0: }
michael@0: if (typeof schedulegc != "undefined")
michael@0:   schedulegc(100);
michael@0: foo(a);