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// PR c++/67225 // { dg-do compile { target c++20 } } // { dg-additional-options "-fconcepts" } template <class, class> concept C1 = true; template <class> concept C2 = requires { { 42 } -> C1<int>; }; int main() { class A { int x; } a; a.x = 42; // { dg-error "private within this context" } }