| // RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -Wnonnull %s -verify |
| |
| @interface NSObject @end |
| |
| @interface Base : NSObject |
| - (nonnull id)bad:(nullable id)obj; // expected-note 2 {{previous declaration is here}} |
| - (nullable id)notAsBad:(nonnull id)obj; |
| @end |
| |
| @interface Sub : Base |
| - (nullable id)bad:(nonnull id)obj; // expected-warning {{conflicting nullability specifier on return types, 'nullable' conflicts with existing specifier 'nonnull'}} \ |
| // expected-warning {{conflicting nullability specifier on parameter types, 'nonnull' conflicts with existing specifier 'nullable'}} |
| - (nonnull id)notAsBad:(nullable id)obj; |
| @end |
