blob: 9f2e4bea43b51959a7d23b4fce8a8fbf600bed7c [file] [log] [blame]
// PR c++/7302
// { dg-do compile }
// { dg-options "-Wnon-virtual-dtor" }
// Warn when a class has virtual functions and accessible non-virtual
// destructor, in which case it would be possible but unsafe to delete
// an instance of a derived class through a pointer to the base class.
struct A
{
protected:
~A(); // inaccessible - no warning
public:
virtual void f() = 0;
};
struct B
{
private:
~B(); // inaccessible - no warning
public:
virtual void f() = 0;
};
struct C // { dg-warning "non-virtual destructor" }
{
virtual void f() = 0;
};
struct D // { dg-warning "non-virtual destructor" }
{
~D();
virtual void f() = 0;
};
struct E;
struct F // { dg-warning "non-virtual destructor" }
{
protected:
friend class E;
~F();
public:
virtual void f() = 0;
};
struct G // { dg-warning "non-virtual destructor" }
{
private:
friend class E;
~G();
public:
virtual void f() = 0;
};
struct H {};
struct I1 : H
{};
struct I2 : private H
{};
struct J1 : H
{ virtual ~J1 ();};
struct J2 : private H
{ virtual ~J2 ();};
struct K // { dg-warning "accessible non-virtual destructor" }
{
virtual void k ();
};
struct L1 : K // { dg-warning "accessible non-virtual destructor" }
{virtual ~L1 ();};
struct L2 : private K
{virtual ~L2 ();};