django/django — pull request #2987 by christopherdcunha (2014-07-27 14:12:02+00:00)
Title: FIXED #12810: return validation error if a registered table name is used for m2m fields

Ticket: https://code.djangoproject.com/ticket/12810

Description: Throw an error with the checks framework when m2m fields are configured to use a table that is already registered.