michael@0: // bug 511575
michael@0: 
michael@0: Function.prototype.X = 42;
michael@0: 
michael@0: function ownProperties() {
michael@0:     var props = {};
michael@0:     var r = function () {};
michael@0: 
michael@0:     outer:
michael@0:     for (var a in r) {
michael@0:         for (var b in r) {
michael@0:             if (a == b) {
michael@0:                 continue outer;
michael@0:             }
michael@0:         }
michael@0:         print("SHOULD NOT BE REACHED");
michael@0:         props[a] = true;
michael@0:     }
michael@0:     return props;
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < 12; ++i) {
michael@0:     print(i);
michael@0:     ownProperties();
michael@0: }