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
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <optional>
// A program that necessitates the instantiation of template optional for
// (possibly cv-qualified) in_place_t is ill-formed.
#include <optional>
int main(int, char**)
{
using std::optional;
using std::in_place_t;
using std::in_place;
optional<in_place_t> opt; // expected-note {{requested here}}
// expected-error@optional:* {{"instantiation of optional with in_place_t is ill-formed"}}
return 0;
}
|
