The drupal coding standards allow code in comments between @code and @endcode tags. And that is the only time there should be code in comments.
http://drupal.org/coding-standards/docs#code

When I run drush coder-review --reviews=production mymodule

It flags code in comments that are between @code and @endcode tags.

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klausi’s picture

klausi
he/him||they/them
Primary language German
Location 🇦🇹 Vienna
commented
Issue summary: View changes
Status: Active » Closed (won't fix)

Coder 7.x is frozen now and will not receive updates. Coder 8.x-2.x can be used to check code for any Drupal version, Coder 8.x-2.x also supports the phpcbf command to automatically fix conding standard errors. Please check if this issue is still relevant and reopen against that version if necessary.