1 int *ptr; // expected-warning {{missing a nullability type specifier}} 2 // expected-note@-1{{insert '_Nullable' if the pointer may be null}} 3 // expected-note@-2{{insert '_Nonnull' if the pointer should never be null}} 4 #pragma clang assume_nonnull begin 5 6 extern void **blah; // expected-warning 2{{missing a nullability type specifier}} 7 // expected-note@-1 2 {{insert '_Nullable' if the pointer may be null}} 8 // expected-note@-2 2 {{insert '_Nonnull' if the pointer should never be null}} 9 10 __attribute__((objc_root_class)) 11 @interface ClassWithWeakProperties 12 @property (readonly, weak) ClassWithWeakProperties *prop1; 13 @property (readonly, weak, null_unspecified) ClassWithWeakProperties *prop2; 14 @end 15 16 @interface ClassWithWeakProperties () 17 @property (readonly, weak) ClassWithWeakProperties *prop3; 18 @end 19 20 #pragma clang assume_nonnull end 21 22