Cannot create nav menu with name that matches existing term slug

[ryan]

"A term with the slug provided already exists." greets you if you try to create a menu that happens to match the slug of an existing term in any taxonomy. [14229] removed the taxonomy arg passed to is_term() so 'term_slug_exists' is thrown even though the term doesn't exist for the nav_menu taxonomy. We might need to remove passing the slug to wp_insert_term() from wp_create_nav_menu().

[filosofo]

There's a check at the top of wp_create_nav_menu that should be catching this and erroring earlier.

[Denis-de-Bernardy]

#13331

[ryan]

(In [14590]) Don't pass a slug when creating anew menu. This prevents creating a menu whose slug matches a different term in another taxonomy. Props filosofo. fixes #13345