x-team/wp-stream — pull request #471 by shadyvb (2014-04-28 19:35:38+00:00)
Title: Precautious check for availability of $wp_roles

Disables merging with user->caps if wp_roles is not available yet
Ref: http://wordpress.org/support/topic/cant-access-wp-admin-49?replies=2#post-5510667