1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -verify -Wno-objc-root-class %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc@protocol P 4*f4a2713aSLionel Sambuc@end 5*f4a2713aSLionel Sambuc 6*f4a2713aSLionel Sambuc@interface INTF<P> 7*f4a2713aSLionel Sambuc- (void)IMeth; 8*f4a2713aSLionel Sambuc@end 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc@implementation INTF 11*f4a2713aSLionel Sambuc- (void)IMeth { [(id<P>)self Meth]; } // expected-warning {{instance method '-Meth' not found (return type defaults to 'id'); did you mean '-IMeth'?}} 12*f4a2713aSLionel Sambuc@end 13