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// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -std=c++11 -triple %itanium_abi_triple -fsyntax-only %s
// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -std=c++11 -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() {
// This marks VC's vtable used.
VC vc;
}
}
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();
int a;
};
struct B : public A { // expected-note {{destructor of 'B' is implicitly deleted because base class 'Test2::A' has an inaccessible 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-error {{attempt to use a deleted function}}
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);
}
#ifdef MSVC_ABI
namespace Test5 {
// Do the operator delete access control check from the context of the dtor.
class A {
protected:
void operator delete(void *);
};
class B : public A {
virtual ~B();
};
B *test() {
// Previously, marking the vtable used here would do the operator delete
// lookup from this context, which doesn't have access.
return new B;
}
}
#endif
namespace Test6 {
class A {
protected:
void operator delete(void *);
};
class B : public A {
virtual ~B();
public:
virtual void m_fn1();
};
void fn1(B *b) { b->m_fn1(); }
}
namespace Test7 {
class A {
protected:
void operator delete(void *);
};
struct B : public A {
virtual ~B();
};
void fn1(B b) {}
}
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