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// PR c++/121351
// { dg-do compile { target c++20 } }
template<class T> concept C = true;
template<class T>
struct A;
template<class T>
struct A<T*> {
template<class U> void f(U) requires C<T>; // #1
};
template<class T>
struct B : A<T> {
using A<T>::f;
template<class U> void f(U) requires C<int>; // #2
};
int main() {
B<int*> b;
b.f(42); // OK, #2 corresponds to and therefore hides #1
}
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