I see this warning while compiling within the Mixpanel framework used in my project.

It was not showing when I compiled some moment back. Is it a bug in XCode 6? How the variable k is unused here?
I see this warning while compiling within the Mixpanel framework used in my project.

It was not showing when I compiled some moment back. Is it a bug in XCode 6? How the variable k is unused here?
You must be compiling with the constant
NS_BLOCK_ASSERTIONSset, so thoseNSAssert()statements are disabled.From the documentation: