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// PR c++/96830
// { dg-do compile { target c++20 } }
template<class T> concept C = true;
template<C T> requires true
struct A {
void f();
template<class U> void g();
struct B;
template<class U> struct C;
static int D;
template<class U> static int E;
};
template<C T>
void A<T>::f() { } // { dg-error "different constraints" }
template<class T> requires true
template<class U>
void A<T>::g() { } // { dg-error "different constraints" }
template<C T> requires (!!true)
struct A<T>::B { }; // { dg-error "different constraints" }
template<class T> requires true
template<class U>
struct A<T>::C { }; // { dg-error "different constraints" }
template<C T>
int A<T>::D = 0; // { dg-error "different constraints" }
template<class T> requires true
template<class U>
int A<T>::E = 0; // { dg-error "different constraints" }
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