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 
11 // <propagate_const>
12 
13 // template <class U> propagate_const& propagate_const::operator=(const propagate_const<U>&)=delete;
14 
15 #include <experimental/propagate_const>
16 #include "test_macros.h"
17 #include "propagate_const_helpers.h"
18 #include <type_traits>
19 
20 using std::experimental::propagate_const;
21 
22 typedef propagate_const<X> P;
23 
main(int,char **)24 int main(int, char**) { static_assert(!std::is_assignable<P, const P &>::value, "");
25   return 0;
26 }
27