1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2// rdar://12095239 3// rdar://14261999 4 5class CppAbstractBase { 6public: 7 virtual void testA() = 0; 8 virtual void testB() = 0; // expected-note {{unimplemented pure virtual method 'testB' in 'CppConcreteSub}} 9 int a; 10}; 11 12class CppConcreteSub : public CppAbstractBase { 13 virtual void testA() { } 14}; 15 16@interface Objc { 17 CppConcreteSub _concrete; // expected-error{{instance variable type 'CppConcreteSub' is an abstract class}} 18} 19- (CppAbstractBase*)abstract; 20@property (nonatomic, readonly) const CppConcreteSub Prop; // expected-note {{property declared here}} 21@end 22 23@implementation Objc 24- (CppAbstractBase*)abstract { 25 return &_concrete; 26} 27@synthesize Prop; // expected-error {{synthesized instance variable type 'const CppConcreteSub' is an abstract class}} 28@end 29 30class Cpp { 31public: 32 CppConcreteSub sub; // expected-error {{field type 'CppConcreteSub' is an abstract class}} 33}; 34