AutoLayout views make app crash on popViewController

Question

Final Update - Fixed

I have fixed this. It seems that while playing around (this is my first project in Swift and using AutoLayout) I have changed t

Answer 1

In my case this was because I was trying to layout (with autolayout) the subviews of a view that had a height == CGFLOAT_MAX. Same code works well on iOS7 but crashes on iOS6.