21 template <class LG>
22 void test_conversion(LG) {}  in test_conversion()  argument
30         using LG = std::scoped_lock<>;  in main()  typedef
31         LG lg = {}; // expected-error{{chosen constructor is explicit in copy-initialization}}  in main()
32         test_conversion<LG>({}); // expected-error{{no matching function for call}}  in main()
36         using LG = std::scoped_lock<M>;  in main()  typedef
37         LG lg = {m0}; // expected-error{{chosen constructor is explicit in copy-initialization}}  in main()
38         test_conversion<LG>({n0}); // expected-error{{no matching function for call}}  in main()
42         using LG = std::scoped_lock<M, M>;  in main()  typedef
43         LG lg = {m0, m1}; // expected-error{{chosen constructor is explicit in copy-initialization}}  in main()
44         test_conversion<LG>({n0, n1}); // expected-error{{no matching function for call}}  in main()
48         using LG = std::scoped_lock<M, M, M>;  in main()  typedef
49 …   LG lg = {m0, m1, m2}; // expected-error{{chosen constructor is explicit in copy-initialization}}  in main()
50         test_conversion<LG>({n0, n1, n2}); // expected-error{{no matching function for call}}  in main()