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 // UNSUPPORTED: c++03, c++11
10 // <experimental/type_traits>
11 //
12 //  struct nonesuch;
13 //	  nonesuch has no default constructor (C++17 §15.1)
14 //    or initializer-list constructor (C++17 §11.6.4),
15 //    and is not an aggregate (C++17 §11.6.1).
16 
17 
18 #include <experimental/type_traits>
19 #include <string>
20 
21 #include "test_macros.h"
22 
23 namespace ex = std::experimental;
24 
doSomething(const ex::nonesuch &)25 void doSomething (const ex::nonesuch &) {}
26 
main(int,char **)27 int main(int, char**) {
28     ex::nonesuch *e0 = new ex::nonesuch; // expected-error {{no matching constructor for initialization of 'ex::nonesuch'}}
29     doSomething({}); // expected-error{{no matching function for call to 'doSomething'}}
30 
31     return 0;
32 }
33