1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <array>
11 // UNSUPPORTED: c++98, c++03, c++11, c++14
12 // UNSUPPORTED: libcpp-no-deduction-guides
13
14
15 // template <class T, class... U>
16 // array(T, U...) -> array<T, 1 + sizeof...(U)>;
17 //
18 // Requires: (is_same_v<T, U> && ...) is true. Otherwise the program is ill-formed.
19
20
21 #include <array>
22 #include <cassert>
23 #include <cstddef>
24
25 // std::array is explicitly allowed to be initialized with A a = { init-list };.
26 // Disable the missing braces warning for this reason.
27 #include "disable_missing_braces_warning.h"
28
29
30 #include "test_macros.h"
31
main()32 int main()
33 {
34 {
35 std::array arr{1,2,3L}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'array'}}
36 }
37 }
38