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