File: get_const.verify.cpp

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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <utility>

// template <class T1, class T2> struct pair

// template<size_t I, class T1, class T2>
//     const typename tuple_element<I, std::pair<T1, T2> >::type&
//     get(const pair<T1, T2>&);

#include <utility>

void f() {
  typedef std::pair<int, short> P;
  const P p(3, 4);
  std::get<0>(p) = 5; // expected-error {{cannot assign to return value}}
}