function report( loc ) {
		context.report({
			'node': null,
			'message': 'Missing empty line before comment',
			'loc': loc,
			'fix': fix
		});

		/**
		* Fixes the lint error by inserting an empty line before the comment.
		*
		* @private
		* @param {Object} fixer - ESLint fixer
		* @returns {Object} fix
		*/
		function fix( fixer ) {
			var range = [
				source.getIndexFromLoc({
					'line': loc.start.line,
					'column': 0
				}),
				source.getIndexFromLoc( loc.end )
			];
			return fixer.insertTextBeforeRange( range, '\n' );
		}
	}
Reports the error message.

@private
@param {Object} loc - lines of code (object with `start` and `end` properties)