gcc/testsuite/g++.dg/cpp1z/class-deduction40.C


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// PR c++/81180
// { dg-do compile { target c++17 } }

template < int I > struct int_{};

template < typename T >
struct A{
    template < typename U, int I >
    struct B{
        B(U u, int_< I >){}
    };
};


int main(){
    A< int >::B v(0, int_< 0 >());
    (void)v;
}