michael@0: function f() {
michael@0:     var x = 1.23;
michael@0:     var y = [].length;
michael@0:     x = ++y;
michael@0:     y - 1;
michael@0: }
michael@0: f();
michael@0: 
michael@0: function g(q) {
michael@0:     var x = 1.23;
michael@0:     var y = [].length;
michael@0:     x = ++y;
michael@0:     if (q)
michael@0:       assertEq(y + 5, 6);
michael@0: }
michael@0: g(1);