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// PR c++/96960 // { dg-do compile { target c++20 } } template <class, class> concept C0 = true; template <class T> concept C = requires(T t) { { 42 } -> C0<char [([] { return 42; }())]>; }; static_assert(C<int>); C0<char [([] { return 42; }())]> auto x = 42; int f(C0<char [([] { return 42; }())]> auto x); int y = f(42);