michael@0: 
michael@0: c = {}.__proto__[1] = 3;
michael@0: (function() {
michael@0:     function b(a) {
michael@0:         return a
michael@0:     }
michael@0:     for each(let z in [{}]) {
michael@0:         print(new b(z))
michael@0:     }
michael@0: })()