michael@0: var obj = {count: 24};
michael@0: var key = 'count';
michael@0: 
michael@0: for (var i = 0; i < 1024; ++i) {
michael@0:     var result = obj[key];
michael@0:     if (i === 2)
michael@0:         obj.newAttr = 42;
michael@0: }
michael@0: 
michael@0: /* Perform getelem across shape change. */