title: UIViewAlertForUnsatisfiableConstraints when presenting popover controller on iOS8 iPad
body: <pre><code>UIAlertController *alert =
  [UIAlertController alertControllerWithTitle:@"What would you like to do?"
                                      message:@""
                               preferredStyle:UIAlertControllerStyleActionSheet];
  
  [alert addAction:...] //left out for brevity of post
  
  UIPopoverPresentationController *pop = [alert popoverPresentationController];
  pop.sourceView = self.view;
  pop.sourceRect = self.view.frame;
  pop.permittedArrowDirections = UIPopoverArrowDirectionAny;
  
  [self presentViewController:alert
                     animated:true
                   completion:^{
                   }];
  </code></pre>
  
  <p>The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in  may also be helpful.
  2014-10-22 13:33:17.966 Project[2995:40175] Unable to simultaneously satisfy constraints.
      Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints) 
  (
      "=44)]>",
      "",
      "",
      "",
      ""
  )</p>
  
  <p>Will attempt to recover by breaking constraint 
  =44)]></p>
  
  <p>What does this mean? What is the >=44?</p>
  
  <p>I am just trying to present an UIAlertController on iPad, iOS8</p>