The rule Drupal.Commenting.FunctionComment.ThrowsComment incorrectly triggers error for error classes with underscores

phpcs -s --standard=Drupal ./core/lib/Drupal/Clate/TwigTransTokenParser.php

Will trigger the following error on latest 8.2.x branch

FILE: .../drupal-8/core/lib/Drupal/Core/Template/TwigTransTokenParser.php
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FOUND 1 ERROR AFFECTING 1 LINE
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84 | ERROR | @throws comment must be on the next line
| | (Drupal.Commenting.FunctionComment.ThrowsComment)
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There is no comment for the specific @throws error line.

  /**
   * Ensure that any nodes that are parsed are only of allowed types.
   *
   * @param \Twig_Node $body
   *   The expression to check.
   * @param int $lineno
   *   The source line.
   *
   * @throws \Twig_Error_Syntax
   */

The reason why this is failing is that str_word_count in line 360 in the sniff is parsing underscores as a word separator. If you change the third parameter to '\\_' it would not trigger this error.

if (str_word_count($tokens[($tag + 2)]['content'], 0, '\\') > 1) {