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// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
struct A {
virtual void a(); // expected-note{{overridden virtual function is here}}
virtual void b() = delete; // expected-note{{overridden virtual function is here}}
};
struct B: A {
virtual void a() = delete; // expected-error{{deleted function 'a' cannot override a non-deleted function}}
virtual void b(); // expected-error{{non-deleted function 'b' cannot override a deleted function}}
};
struct C: A {
virtual void a();
virtual void b() = delete;
};
struct E;
struct F;
struct G;
struct H;
struct D {
virtual E &operator=(const E &); // expected-note {{here}}
virtual F &operator=(const F &);
virtual G &operator=(G&&); // expected-note {{here}}
virtual H &operator=(H&&); // expected-note {{here}}
friend struct F;
private:
D &operator=(const D&) = default;
D &operator=(D&&) = default;
virtual ~D(); // expected-note 2{{here}}
};
struct E : D {};
// expected-error@-1 {{deleted function '~E' cannot override a non-deleted function}}
// expected-note@-2 {{destructor of 'E' is implicitly deleted because base class 'D' has an inaccessible destructor}}
// expected-error@-3 {{deleted function 'operator=' cannot override a non-deleted function}}
// expected-note@-4 {{copy assignment operator of 'E' is implicitly deleted because base class 'D' has an inaccessible copy assignment operator}}
struct F : D {};
struct G : D {};
// expected-error@-1 {{deleted function '~G' cannot override a non-deleted function}}
// expected-note@-2 {{destructor of 'G' is implicitly deleted because base class 'D' has an inaccessible destructor}}
// expected-error@-3 {{deleted function 'operator=' cannot override a non-deleted function}}
// expected-note@-4 {{move assignment operator of 'G' is implicitly deleted because base class 'D' has an inaccessible move assignment operator}}
struct H : D { // expected-note {{deleted because base class 'D' has an inaccessible move assignment}}
H &operator=(H&&) = default; // expected-warning {{implicitly deleted}}
// expected-error@-1 {{deleted function 'operator=' cannot override a non-deleted function}}
// expected-note@-3 {{move assignment operator of 'H' is implicitly deleted because base class 'D' has an inaccessible move assignment operator}}
~H();
};
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