michael@0: Error.prototype.__proto__.p = 5;
michael@0: f = Function("return( \"\" <arguments for(w in[]))");
michael@0: for (i in f()) {}
michael@0: 
michael@0: (function() {
michael@0:     for (a in (
michael@0:         arguments for (l in [0])
michael@0:     ))
michael@0:     {}
michael@0: })()