1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <array>
10 // UNSUPPORTED: c++98, c++03, c++11, c++14
11 // UNSUPPORTED: libcpp-no-deduction-guides
12 
13 
14 // template <class T, class... U>
15 //   array(T, U...) -> array<T, 1 + sizeof...(U)>;
16 //
17 //  Requires: (is_same_v<T, U> && ...) is true. Otherwise the program is ill-formed.
18 
19 
20 #include <array>
21 #include <cassert>
22 #include <cstddef>
23 
24 // std::array is explicitly allowed to be initialized with A a = { init-list };.
25 // Disable the missing braces warning for this reason.
26 #include "disable_missing_braces_warning.h"
27 
28 
29 #include "test_macros.h"
30 
main(int,char **)31 int main(int, char**)
32 {
33     {
34     std::array arr{1,2,3L}; // expected-error {{no viable constructor or deduction guide for deduction of template arguments of 'array'}}
35     }
36 
37   return 0;
38 }
39