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 
11 // void swap(array& a);
12 
13 #include <array>
14 #include <cassert>
15 
16 // std::array is explicitly allowed to be initialized with A a = { init-list };.
17 // Disable the missing braces warning for this reason.
18 #include "disable_missing_braces_warning.h"
19 
20 int main(int, char**) {
21   {
22     typedef double T;
23     typedef std::array<const T, 0> C;
24     C c = {};
25     C c2 = {};
26     // expected-error-re@array:* {{static_assert failed {{.*}}"cannot swap zero-sized array of type 'const T'"}}
27     c.swap(c2); // expected-note {{requested here}}
28   }
29 
30   return 0;
31 }
32