michael@0: for(var i = 0; i < 9; i++) {
michael@0:       x = ''.charCodeAt(NaN);
michael@0: }
michael@0: 
michael@0: for(var i = 0; i < 9; i++) {
michael@0:       x = ''.charAt(NaN);
michael@0: }
michael@0: 
michael@0: // Don't assert