1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 // rdar://12095239 3 // rdar://14261999 4 5 class CppAbstractBase { 6 public: 7 virtual void testA() = 0; 8 virtual void testB() = 0; // expected-note {{unimplemented pure virtual method 'testB' in 'CppConcreteSub}} 9 int a; 10 }; 11 12 class 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 30 class Cpp { 31 public: 32 CppConcreteSub sub; // expected-error {{field type 'CppConcreteSub' is an abstract class}} 33 }; 34
