File: make_unique.sizezero.pass.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (46 lines) | stat: -rw-r--r-- 1,106 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// This code triggers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104568
// UNSUPPORTED: msvc

// Test the fix for https://llvm.org/PR54100

#include <memory>
#include <cassert>

#include "test_macros.h"

struct A {
  int m[0];
};
static_assert(sizeof(A) == 0, "");  // an extension supported by GCC and Clang

int main(int, char**)
{
  {
    std::unique_ptr<A> p = std::unique_ptr<A>(new A);
    assert(p != nullptr);
  }
  {
    std::unique_ptr<A[]> p = std::unique_ptr<A[]>(new A[1]);
    assert(p != nullptr);
  }
#if TEST_STD_VER > 11
  {
    std::unique_ptr<A> p = std::make_unique<A>();
    assert(p != nullptr);
  }
  {
    std::unique_ptr<A[]> p = std::make_unique<A[]>(1);
    assert(p != nullptr);
  }
#endif

  return 0;
}