Xcode 8 Breakpoint in file not working

Question

I have one file,SignInViewController.swift, in my Xcode project that out of nowhere has begun not stopping on breakpoints. I have a breakpoint in viewDidL

Answer 1

I'm not really sure how this ended up fixing it but I isolated the issue to a specific block of code in viewDidLoad(). Then I commented out that code and built and ran the project. Then I uncommented the code and built and ran it again and the breakpoints worked.