1 // RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s 2 3 @protocol NSWindowDelegate @end 4 5 @protocol IBStringsTableWindowDelegate <NSWindowDelegate> 6 @end 7 8 @interface NSWindow 9 - (void)setDelegate:(id <NSWindowDelegate>)anObject; // expected-note {{previous definition is here}} 10 - (id <IBStringsTableWindowDelegate>) delegate; // expected-note {{previous definition is here}} 11 @end 12 13 14 @interface IBStringsTableWindow : NSWindow {} 15 @end 16 17 @implementation IBStringsTableWindow 18 - (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate { // expected-warning {{conflicting parameter types in implementation of 'setDelegate:'}} 19 } 20 - (id <NSWindowDelegate>)delegate { // expected-warning {{conflicting return type in implementation of 'delegate':}} 21 return 0; 22 } 23 @end 24
