Open Radar

 
Summary:
Memory leak found by XCode Instrument: Profile->Leaks when presenting UIAlertController.

Sample Code:
{code}
- (IBAction)presentAlertView:(id)sender
{
    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];

    [alertController addAction:[UIAlertAction actionWithTitle:@"Ohh!" style:UIAlertActionStyleDefault handler:nil]];
    [alertController addAction:[UIAlertAction actionWithTitle:@"Hey" style:UIAlertActionStyleDefault handler:nil]];
    [alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
    
    // replyButton should be the reference of the button item which link to this action.
    alertController.popoverPresentationController.barButtonItem = self.replyButton; 
    [self presentViewController:alertController animated:YES completion:NULL];
}
{code}

Steps to Reproduce:
1. Create an navigation bar button item and link the item action to the above code.
2. Use profile -> leaks to lunch the the app. 
3. Tap on the bar button and tap a random button in the action sheet and repeat that a couple times. 
4. There should be a leak detected in profile-leaks.


Expected Results:
No memory leaks.

Actual Results:
A memory leak detected in profile-leaks.

Regression: 
Tested against iPhone 6 Plus, iPhone 6, iPhone 5, iPad Retina simulator,
XCode Version 6.1.1 (6A2008a)
System version: OS X 10.9.5