michael@0: 
michael@0: /* Element initializers with unknown index. */
michael@0: 
michael@0: function foo(i) {
michael@0:   var x = [1,2,i == 1 ? 3 : 4,5,6];
michael@0:   var y = "" + x;
michael@0:   if (i == 1)
michael@0:     assertEq(y, "1,2,3,5,6");
michael@0:   else
michael@0:     assertEq(y, "1,2,4,5,6");
michael@0: }
michael@0: for (var i = 0; i < 10; i++)
michael@0:   foo(i);