I am using the Xcode 8.0 GM. I created a default single-view app with my deployment target set to 9.0.
In my Podfile I\'m targeting the bleeding edge Swift 3 branch:
Upgrading to the latest Cocoapods (at the time of this answer: version 1.1.0.beta.2) via the command:
1.1.0.beta.2
gem install cocoapods --pre seemed to solve the issue for my circumstance.
gem install cocoapods --pre