Correct small whitespace inconsistency, lost while renaming variables.
1 // for-of consults Object.prototype when it encounters a hole.
3 Object.prototype[1] = 'peek';
5 for (var x of [0, , 2, 3])
7 assertEq(log[1], 'peek');
8 assertEq(log.join(), "0,peek,2,3");