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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3@interface I4{5 A* response; // expected-error {{unknown type name 'A'}}6}7@end8@interface I ()9@property A* response; // expected-error {{unknown type name 'A'}}10@property int helper;11@end12@implementation I13@synthesize response;14- (void) foo :(A*) a // expected-error {{expected a type}}15{16 self.response = a; // expected-error{{incompatible pointer types assigning to 'int *' from 'id'}}17}18@end19 20void foo(I *i)21{22 i.helper; // expected-warning{{property access result unused - getters should not be used for side effects}}23}24 25@interface J26@property (nonnull) auto a; // expected-error {{'auto' not allowed in interface member}}27@property auto b; // expected-error {{'auto' not allowed in interface member}}28@property (nullable) auto c; // expected-error {{'auto' not allowed in interface member}}29@end30 31@interface J (Cat)32@property (nonnull) auto catprop; // expected-error {{'auto' not allowed in interface member}}33@end34