// RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only %s // RUN: %clang_cc1 -triple %ms_abi_triple -verify %s namespace Test1 { // Should be accepted under the Itanium ABI (first RUN line) but rejected // under the Microsoft ABI (second RUN line), as Microsoft ABI requires // operator delete() lookups to be done when vtables are marked used. struct A { void operator delete(void *); // expected-note {{member found by ambiguous name lookup}} }; struct B { void operator delete(void *); // expected-note {{member found by ambiguous name lookup}} }; struct C : A, B { ~C(); }; struct VC : A, B { virtual ~VC(); // expected-error {{member 'operator delete' found in multiple base classes of different types}} }; void f(VC vc) { // This marks VC's vtable used. } } namespace Test2 { // In the MSVC ABI, functions must destroy their aggregate arguments. foo // requires a dtor for B, but we can't implicitly define it because ~A is // private. bar should be able to call A's private dtor without error, even // though MSVC rejects bar. class A { private: ~A(); // expected-note {{declared private here}} int a; }; struct B : public A { // expected-error {{base class 'Test2::A' has private destructor}} int b; }; struct C { ~C(); int c; }; struct D { // D has a non-trivial implicit dtor that destroys C. C o; }; void foo(B b) { } // expected-note {{implicit destructor for 'Test2::B' first required here}} void bar(A a) { } // no error; MSVC rejects this, but we skip the direct access check. void baz(D d) { } // no error } #ifdef MSVC_ABI namespace Test3 { class A { A(); ~A(); // expected-note {{implicitly declared private here}} friend void bar(A); int a; }; void bar(A a) { } void baz(A a) { } // no error; MSVC rejects this, but the standard allows it. // MSVC accepts foo() but we reject it for consistency with Itanium. MSVC also // rejects this if A has a copy ctor or if we call A's ctor. void foo(A *a) { bar(*a); // expected-error {{temporary of type 'Test3::A' has private destructor}} } } #endif namespace Test4 { // Don't try to access the dtor of an incomplete on a function declaration. class A; void foo(A a); }