##Comments linking to duplicates which were deleted after question closure, despite having other content
Anyone else is welcome to add to the list. If you can link directly to the comment, that's best. Otherwise, link to the question.
Please note whether the comment was originally auto-generated (via a close vote) or not.
http://stackoverflow.com/questions/14551665/is-there-a-way-to-ignore-warnings-that-come-from-external-libraries (Auto-generated)
http://stackoverflow.com/questions/18292385/why-i-am-getting-dead-lock-when-execute-nested-dispatch-sync-gcd-objective-c (Auto-generated)