1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -verify -Wno-objc-root-class %s 2*f4a2713aSLionel Sambuc// expected-no-diagnostics 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc@protocol MyProto1 5*f4a2713aSLionel Sambuc@optional 6*f4a2713aSLionel Sambuc- (void) FOO; 7*f4a2713aSLionel Sambuc@optional 8*f4a2713aSLionel Sambuc- (void) FOO1; 9*f4a2713aSLionel Sambuc@optional 10*f4a2713aSLionel Sambuc- (void) REQ; 11*f4a2713aSLionel Sambuc@optional 12*f4a2713aSLionel Sambuc@end 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc@interface MyProto2 <MyProto1> 15*f4a2713aSLionel Sambuc- (void) FOO2; 16*f4a2713aSLionel Sambuc- (void) FOO3; 17*f4a2713aSLionel Sambuc@end 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc@implementation MyProto2 20*f4a2713aSLionel Sambuc- (void) FOO2{} 21*f4a2713aSLionel Sambuc- (void) FOO3{} 22*f4a2713aSLionel Sambuc@end 23