52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
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// RUN: %clang_cc1 -std=c++17 -verify -Wno-defaulted-function-deleted %s -triple x86_64-windows-msvc
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// MSVC emits the complete destructor as if it were its own special member.
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// Clang attempts to do the same. This affects the diagnostics clang emits,
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// because deleting a type with a user declared constructor implicitly
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// references the destructors of virtual bases, which might be deleted or access
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// controlled.
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namespace t1 {
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struct A {
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~A() = delete; // expected-note {{deleted here}}
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};
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struct B {
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B() = default;
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A o; // expected-note {{destructor of 'B' is implicitly deleted because field 'o' has a deleted destructor}}
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};
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struct C : virtual B {
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~C(); // expected-error {{attempt to use a deleted function}}
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};
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void delete1(C *p) { delete p; } // expected-note {{in implicit destructor for 't1::C' first required here}}
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void delete2(C *p) { delete p; }
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}
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namespace t2 {
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struct A {
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private:
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~A();
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};
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struct B {
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B() = default;
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A o; // expected-note {{destructor of 'B' is implicitly deleted because field 'o' has an inaccessible destructor}}
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};
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struct C : virtual B {
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~C(); // expected-error {{attempt to use a deleted function}}
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};
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void useCompleteDtor(C *p) { delete p; } // expected-note {{in implicit destructor for 't2::C' first required here}}
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}
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namespace t3 {
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template <unsigned N>
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class Base { ~Base(); }; // expected-note 1{{declared private here}}
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// No diagnostic.
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class Derived0 : virtual Base<0> { ~Derived0(); };
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class Derived1 : virtual Base<1> {};
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// Emitting complete dtor causes a diagnostic.
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struct Derived2 : // expected-error {{inherited virtual base class 'Base<2>' has private destructor}}
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virtual Base<2> {
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~Derived2();
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};
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void useCompleteDtor(Derived2 *p) { delete p; } // expected-note {{in implicit destructor for 't3::Derived2' first required here}}
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}
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