michael@0: /* Don't assert. */
michael@0: x = [1,2,3]
michael@0: function f(aaa) {
michael@0:     aaa.e = x
michael@0: }
michael@0: for each(let c in [x, x, x]) {
michael@0:     f(c)
michael@0: }
michael@0: assertEq(0,0);