michael@0: var x = (function () {
michael@0:     return [, , ]
michael@0: }());
michael@0: (function () {
michael@0:     while (x > 7 & 0) {
michael@0:         return
michael@0:     }
michael@0: }())
michael@0: 
michael@0: /* Don't assert. */
michael@0: