1// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -Wnonnull %s -verify 2 3@interface NSObject @end 4 5@interface Base : NSObject 6- (nonnull id)bad:(nullable id)obj; // expected-note 2 {{previous declaration is here}} 7- (nullable id)notAsBad:(nonnull id)obj; 8@end 9 10@interface Sub : Base 11- (nullable id)bad:(nonnull id)obj; // expected-warning {{conflicting nullability specifier on return types, 'nullable' conflicts with existing specifier 'nonnull'}} \ 12 // expected-warning {{conflicting nullability specifier on parameter types, 'nonnull' conflicts with existing specifier 'nullable'}} 13- (nonnull id)notAsBad:(nullable id)obj; 14@end 15