gcc/testsuite/g++.dg/cpp1z/class-deduction33.C


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// { dg-do compile { target c++17 } }

template <class,class> struct same;
template <class T> struct same<T,T> {};

template <class T = void> struct A { };
template <class T> struct B { B(T,T); };

int main()
{
  same<decltype(new A),A<void>*>();
  same<decltype(new B{1,2}),B<int>*>();
}