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// PR c++/67407
template <class> class A;
template <class> struct B;
template <class X> struct B<A<X> >
{
static int
check ()
{
A<X> a;
a.m_class->m_object;
}
};
template <class T> class A
{
public:
template <class X> bool operator== (const X &) const;
T *m_class;
};
template <class T>
template <class X>
bool
A<T>::operator== (const X &) const
{
B<X>::check;
}
class C
{
protected:
template <class> friend struct B;
void *m_object;
};
class F : virtual C
{
};
class G : virtual public C
{
};
class H : F, public G
{
};
class D
{
void onBusMessage (const A<int> &);
A<H> m_pipeline;
};
void
D::onBusMessage (const A<int> &p1)
{
p1 == m_pipeline;
}
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