1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc@protocol NSWindowDelegate @end 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc@protocol IBStringsTableWindowDelegate <NSWindowDelegate> 6*f4a2713aSLionel Sambuc@end 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc@interface NSWindow 9*f4a2713aSLionel Sambuc- (void)setDelegate:(id <NSWindowDelegate>)anObject; // expected-note {{previous definition is here}} 10*f4a2713aSLionel Sambuc- (id <IBStringsTableWindowDelegate>) delegate; // expected-note {{previous definition is here}} 11*f4a2713aSLionel Sambuc@end 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc@interface IBStringsTableWindow : NSWindow {} 15*f4a2713aSLionel Sambuc@end 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc@implementation IBStringsTableWindow 18*f4a2713aSLionel Sambuc- (void)setDelegate:(id <IBStringsTableWindowDelegate>)delegate { // expected-warning {{conflicting parameter types in implementation of 'setDelegate:'}} 19*f4a2713aSLionel Sambuc} 20*f4a2713aSLionel Sambuc- (id <NSWindowDelegate>)delegate { // expected-warning {{conflicting return type in implementation of 'delegate':}} 21*f4a2713aSLionel Sambuc return 0; 22*f4a2713aSLionel Sambuc} 23*f4a2713aSLionel Sambuc@end 24