1// RUN: %clang_cc1 -fsyntax-only -verify %s 2 3@protocol NSObject @end 4 5@interface NSObject <NSObject> @end 6 7@interface UIResponder : NSObject 8@end 9 10@implementation UIResponder 11@end 12 13@interface UIView : UIResponder 14@end 15 16@implementation UIView 17@end 18 19@interface UIWebTiledView : UIView 20@end 21 22@implementation UIWebTiledView 23@end 24 25@interface UIWebDocumentView : UIWebTiledView 26@end 27 28@implementation UIWebDocumentView 29@end 30 31@interface UIWebBrowserView : UIWebDocumentView 32@end 33 34@implementation UIWebBrowserView 35@end 36 37@interface UIPDFView : UIView 38@end 39 40@implementation UIPDFView 41@end 42 43@interface UIWebPDFView : UIPDFView 44@end 45 46@implementation UIWebPDFView 47@end 48 49UIWebPDFView *getView(void) 50{ 51 UIWebBrowserView *browserView; 52 UIWebPDFView *pdfView; 53 return pdfView ? pdfView : browserView; // expected-warning {{incompatible pointer types returning 'UIView *' from a function with result type 'UIWebPDFView *'}} 54} 55