Xcode 8 (Swift 3) Command failed due to signal: Killed: 9

Question

After upgrading to Xcode 8 and converting all my code to Swift 3, I have troubles compiling swift resources. It takes a very long time, and my computer gets super laggy and

Answer 1

In my case, when I found that issue the chunk of code was:

         return realm2.objects(Alert.self).sorted(by: { (alert1, alert2) -> Bool in
     return  alert1.hour < alert2.hour &&
     alert1.minute < alert2.minute &&
     alert1.label < alert2.label
     })