4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
26 lines
666 B
C++
26 lines
666 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <optional>
|
|
|
|
// A program that necessitates the instantiation of template optional for a
|
|
// reference type is ill-formed.
|
|
|
|
#include <experimental/optional>
|
|
|
|
int main()
|
|
{
|
|
#if _LIBCPP_STD_VER > 11
|
|
using std::experimental::optional;
|
|
|
|
optional<int&&> opt;
|
|
#else
|
|
#error
|
|
#endif // _LIBCPP_STD_VER > 11
|
|
}
|