Demonstrates a category that should trigger deprecation warnings for an Objective-C method, but doesn't.

gistfile1.m

@interface UINavigationController (Deprecations)
- (id)initWithRootViewController:(UIViewController *)rootViewController __attribute__((deprecated));
@end

// no implementation of UINavigationController (Deprecations) should be necessary. I just want to add the attribute
// should this be a class extension instead of a category?

@interface SomethingThatUsesNavigationController : UIViewController

@end

@implementation

- (IBAction)buttonPressed {
  UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:[UIViewController new]]; // this should trigger a deprecation warning, but doesn't for me.
  [self presentViewController:navigationController animated:YES completion:NULL];
}

@end