llvm-project/clang/test/CXX/special/class.dtor/p9.cpp

125 lines
3.2 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -triple %itanium_abi_triple -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -triple %ms_abi_triple -DMSABI -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -triple %itanium_abi_triple -verify -std=c++11 %s
// RUN: %clang_cc1 -fsyntax-only -triple %ms_abi_triple -DMSABI -verify -std=c++11 %s
typedef __typeof(sizeof(int)) size_t;
// PR7803
namespace test0 {
class A {
public:
static void operator delete(void *p) {};
virtual ~A();
};
class B : protected A {
public:
~B();
};
class C : protected B {
public:
using B::operator delete;
~C();
};
// Shouldn't have an error.
C::~C() {}
}
namespace test1 {
class A {
public:
static void operator delete(void *p) {};
virtual ~A();
};
class B : protected A {
public:
static void operator delete(void *, size_t) {};
~B();
};
class C : protected B {
public:
using A::operator delete;
using B::operator delete;
~C();
};
// We assume that the intent is to treat C::operator delete(void*, size_t) as
// /not/ being a usual deallocation function, as it would be if it were
// declared with in C directly.
C::~C() {}
struct D {
void operator delete(void*); // expected-note {{member 'operator delete' declared here}}
void operator delete(void*, ...); // expected-note {{member 'operator delete' declared here}}
virtual ~D();
};
// FIXME: The standard doesn't say this is ill-formed, but presumably either
// it should be or the variadic operator delete should not be a usual
// deallocation function.
D::~D() {} // expected-error {{multiple suitable 'operator delete' functions in 'D'}}
}
// ...at the point of definition of a virtual destructor...
namespace test2 {
struct A {
virtual ~A();
static void operator delete(void*, const int &);
};
struct B {
virtual ~B();
static void operator delete(void*, const int &); // expected-note {{declared here}}
};
B::~B() {} // expected-error {{no suitable member 'operator delete' in 'B'}}
#if __cplusplus < 201103L
struct CBase { virtual ~CBase(); };
struct C : CBase { // expected-error {{no suitable member 'operator delete' in 'C'}}
static void operator delete(void*, const int &); // expected-note {{declared here}}
};
void test() {
C c; // expected-note {{first required here}}
}
#else
struct CBase { virtual ~CBase(); }; // expected-note {{overridden virtual function is here}}
struct C : CBase { // expected-error {{deleted function '~C' cannot override a non-deleted function}} expected-note 2{{requires an unambiguous, accessible 'operator delete'}}
static void operator delete(void*, const int &);
};
void test() {
C c; // expected-error {{attempt to use a deleted function}}
}
#endif
}
// PR7346
namespace test3 {
struct A {
#ifdef MSABI
// expected-error@+2 {{no suitable member 'operator delete' in 'A'}}
#endif
virtual ~A();
#ifdef MSABI
// expected-note@+2 {{declared here}}
#endif
static void operator delete(void*, const int &);
};
struct B : A {
virtual ~B() {}
static void operator delete(void*);
};
void f() {
#ifdef MSABI
// expected-note@+2 {{implicit default constructor for 'test3::B' first required here}}
#endif
B use_vtable;
}
}