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// Contributed by Douglas Gregor <doug.gregor@gmail.com>
template<class T> struct wrap {};
template<typename T> bool& operator==(wrap<T>, wrap<T>);
template<typename T>
void g(T, wrap<wrap<int> > x)
{
bool& b = x == x; // { dg-bogus "invalid initialization of reference" "" { xfail *-*-*} }
}
template<typename T> int& operator==(wrap<wrap<T> >, wrap<wrap<T> >);
void h()
{
wrap<wrap<int> > x;
g(17, x);
}
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