michael@0: this.__defineSetter__("x", function(v) { return /a/.exec(v); })
michael@0: Function("\
michael@0:   for each(w in[0,0,0]) {\
michael@0:     for each(y in[0,0,0,0,0,0,0,0,x,0,0,0,0,0,0,0,0,0,x,0,0,0,0,0,0,0,x]) {}\
michael@0:   }\
michael@0: ")()
michael@0: