1// RUN: %clang -target x86_64-apple-darwin -fsyntax-only -Xclang -verify %s 2// RUN: %clang -target x86_64-apple-darwin -x objective-c++ -fsyntax-only -Xclang -verify %s 3 4@interface NSObject 5@end 6 7__attribute__((objc_class_stub)) 8@interface MissingSubclassingRestrictedAttribute : NSObject // expected-error {{'objc_class_stub' attribute cannot be specified on a class that does not have the 'objc_subclassing_restricted' attribute}} 9@end 10 11__attribute__((objc_class_stub)) 12__attribute__((objc_subclassing_restricted)) 13@interface ValidClassStubAttribute : NSObject 14@end 15 16@implementation ValidClassStubAttribute // expected-error {{cannot declare implementation of a class declared with the 'objc_class_stub' attribute}} 17@end 18 19@implementation ValidClassStubAttribute (MyCategory) 20@end 21 22__attribute__((objc_class_stub(123))) // expected-error {{'objc_class_stub' attribute takes no arguments}} 23@interface InvalidClassStubAttribute : NSObject 24@end 25 26__attribute__((objc_class_stub)) // expected-error {{'objc_class_stub' attribute only applies to Objective-C interfaces}} 27int cannotHaveObjCClassStubAttribute() {} 28