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// { dg-do compile }
struct A {};
template <class T> struct B
{
T a, b;
B() {}
B(T x, T y) : a(x), b(y) {}
template <class U> operator B<U> () const
{ return B<U>((U)(this->a), (U)(this->b)); }
};
template <class T> struct C : public B<int>
{
T *c;
inline T & operator *() { return *c; }
};
template <class T> struct D : virtual public C<T> { };
void
foo (D<A> x)
{
*x;
}
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