michael@0: function f() {
michael@0:     var t = 0;
michael@0:     for (var j = 0; j < 10; j++) {
michael@0: 	for (var i = 0; i < 9; ++i) {
michael@0:             var [r, g, b] = [1, i, -10];
michael@0:             t += r + g + b;
michael@0: 	}
michael@0:     }
michael@0:     return t;
michael@0: }
michael@0: assertEq(f(), -450);