Function checked

test/babel.js:46009–46016

(length)

	}

	function checked(length) {
	  // Note: cannot use `length < kMaxLength()` here because that fails when
	  // length is NaN (which is otherwise coerced to zero.)
	  if (length >= kMaxLength()) {
	    throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength().toString(16) + ' bytes');
	  }
	  return length | 0;
	}

	function SlowBuffer(length) {
	  if (+length != length) {