42 …std::span<int, 2>   s1(arr); // expected-error {{no matching constructor for initialization of 'st…  in main()
47 …std::span<float>    s1(arr);   // expected-error {{no matching constructor for initialization of '…  in main()
48 …std::span<float, 3> s2(arr);   // expected-error {{no matching constructor for initialization of '…  in main()
53 …std::span<               int> s1{ carr};    // expected-error {{no matching constructor for initia…  in main()
54 …std::span<               int> s2{ varr};    // expected-error {{no matching constructor for initia…  in main()
55 …std::span<               int> s3{cvarr};    // expected-error {{no matching constructor for initia…  in main()
56 …std::span<const          int> s4{ varr};    // expected-error {{no matching constructor for initia…  in main()
57 …std::span<const          int> s5{cvarr};    // expected-error {{no matching constructor for initia…  in main()
58 …std::span<      volatile int> s6{ carr};    // expected-error {{no matching constructor for initia…  in main()
59 …std::span<      volatile int> s7{cvarr};    // expected-error {{no matching constructor for initia…  in main()
64 …std::span<               int,3> s1{ carr};  // expected-error {{no matching constructor for initia…  in main()
65 …std::span<               int,3> s2{ varr};  // expected-error {{no matching constructor for initia…  in main()
66 …std::span<               int,3> s3{cvarr};  // expected-error {{no matching constructor for initia…  in main()
67 …std::span<const          int,3> s4{ varr};  // expected-error {{no matching constructor for initia…  in main()
68 …std::span<const          int,3> s5{cvarr};  // expected-error {{no matching constructor for initia…  in main()
69 …std::span<      volatile int,3> s6{ carr};  // expected-error {{no matching constructor for initia…  in main()
70 …std::span<      volatile int,3> s7{cvarr};  // expected-error {{no matching constructor for initia…  in main()