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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3class CppAbstractBase {4public:5 virtual void testA() = 0;6 virtual void testB() = 0; // expected-note {{unimplemented pure virtual method 'testB' in 'CppConcreteSub}}7 int a;8};9 10class CppConcreteSub : public CppAbstractBase {11 virtual void testA() { }12};13 14@interface Objc {15 CppConcreteSub _concrete; // expected-error{{instance variable type 'CppConcreteSub' is an abstract class}}16}17- (CppAbstractBase*)abstract;18@property (nonatomic, readonly) const CppConcreteSub Prop; // expected-note {{property declared here}}19@end20 21@implementation Objc22- (CppAbstractBase*)abstract {23 return &_concrete;24}25@synthesize Prop; // expected-error {{synthesized instance variable type 'const CppConcreteSub' is an abstract class}}26@end27 28class Cpp {29public:30 CppConcreteSub sub; // expected-error {{field type 'CppConcreteSub' is an abstract class}}31};32