202 struct ContainerHijacker {  struct
208   friend constexpr int begin(ContainerHijacker&) { return 42; }  in begin()  argument
209   friend constexpr int end(ContainerHijacker&) { return 42; }  in end()  argument
210   friend constexpr int begin(const ContainerHijacker&) { return 42; }  in begin()  argument
211   friend constexpr int end(const ContainerHijacker&) { return 42; }  in end()  argument
212   friend constexpr int cbegin(ContainerHijacker&) { return 42; }  in cbegin()  argument
213   friend constexpr int cend(ContainerHijacker&) { return 42; }  in cend()  argument
214   friend constexpr int cbegin(const ContainerHijacker&) { return 42; }  in cbegin()  argument
215   friend constexpr int cend(const ContainerHijacker&) { return 42; }  in cend()  argument
216   friend constexpr int rbegin(ContainerHijacker&) { return 42; }  in rbegin()  argument
217   friend constexpr int rend(ContainerHijacker&) { return 42; }  in rend()  argument
218   friend constexpr int rbegin(const ContainerHijacker&) { return 42; }  in rbegin()  argument
219   friend constexpr int rend(const ContainerHijacker&) { return 42; }  in rend()  argument
220   friend constexpr int crbegin(ContainerHijacker&) { return 42; }  in crbegin()  argument
221   friend constexpr int crend(ContainerHijacker&) { return 42; }  in crend()  argument
222   friend constexpr int crbegin(const ContainerHijacker&) { return 42; }  in crbegin()  argument
223   friend constexpr int crend(const ContainerHijacker&) { return 42; }  in crend()  argument
245     ContainerHijacker c{a};  in test_adl_proofing()