// RUN: %clang_cc1 -fsyntax-only -verify %s // radar 7638810 @protocol NSObject @end @interface NSObject <NSObject> @end @interface UIResponder : NSObject @end @implementation UIResponder @end @interface UIView : UIResponder @end @implementation UIView @end @interface UIWebTiledView : UIView @end @implementation UIWebTiledView @end @interface UIWebDocumentView : UIWebTiledView @end @implementation UIWebDocumentView @end @interface UIWebBrowserView : UIWebDocumentView @end @implementation UIWebBrowserView @end @interface UIPDFView : UIView @end @implementation UIPDFView @end @interface UIWebPDFView : UIPDFView @end @implementation UIWebPDFView @end UIWebPDFView *getView(void) { UIWebBrowserView *browserView; UIWebPDFView *pdfView; return pdfView ? pdfView : browserView; // expected-warning {{incompatible pointer types returning 'UIView *' from a function with result type 'UIWebPDFView *'}} }