michael@0: var so = [];
michael@0: 
michael@0: function U(unusedV)
michael@0: {
michael@0:   for (var i = 0; i < so.length; ++i)
michael@0:     return false;
michael@0:   so.push(0);
michael@0: }
michael@0: 
michael@0: function C(v)
michael@0: {
michael@0:   if (typeof v == "object" || typeof v == "function") {
michael@0:     for (var i = 0; i < 10; ++i) {}
michael@0:     U(v);
michael@0:   }
michael@0: }
michael@0: 
michael@0: function exploreProperties(obj)
michael@0: {
michael@0:   var props = [];
michael@0:   for (var o = obj; o; o = Object.getPrototypeOf(o)) {
michael@0:     props = props.concat(Object.getOwnPropertyNames(o));
michael@0:   }
michael@0:   for (var i = 0; i < props.length; ++i) {
michael@0:     var p = props[i];
michael@0:     try { 
michael@0:       var v = obj[p];
michael@0:       C(v);
michael@0:     } catch(e) { }
michael@0:   }
michael@0: }
michael@0: 
michael@0: function boom()
michael@0: {
michael@0:   var a = [];
michael@0:   var b = function(){};
michael@0:   var c = [{}];
michael@0:   exploreProperties(a);
michael@0:   exploreProperties(b);
michael@0:   exploreProperties(c);
michael@0:   exploreProperties(c);
michael@0: }
michael@0: 
michael@0: boom();
michael@0: