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