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 // This code triggers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104568
10 // UNSUPPORTED: msvc
11 
12 // Test the fix for https://llvm.org/PR54100
13 
14 #include <memory>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 
19 struct A {
20   int m[0];
21 };
22 static_assert(sizeof(A) == 0, "");  // an extension supported by GCC and Clang
23 
main(int,char **)24 int main(int, char**)
25 {
26   {
27     std::unique_ptr<A> p = std::unique_ptr<A>(new A);
28     assert(p != nullptr);
29   }
30   {
31     std::unique_ptr<A[]> p = std::unique_ptr<A[]>(new A[1]);
32     assert(p != nullptr);
33   }
34 #if TEST_STD_VER > 11
35   {
36     std::unique_ptr<A> p = std::make_unique<A>();
37     assert(p != nullptr);
38   }
39   {
40     std::unique_ptr<A[]> p = std::make_unique<A[]>(1);
41     assert(p != nullptr);
42   }
43 #endif
44 
45   return 0;
46 }
47