File: incomplete.pass.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
//
//===----------------------------------------------------------------------===//

// <unordered_set>

// Check that std::unordered_multiset and its iterators can be instantiated with an incomplete
// type.

#include <unordered_set>

#include "test_macros.h"

template <class Tp>
struct MyHash {
  MyHash() {}
  std::size_t operator()(Tp const&) const {return 42;}
};

struct A {
    typedef std::unordered_multiset<A, MyHash<A> > Map;
    Map m;
    Map::iterator it;
    Map::const_iterator cit;
    Map::local_iterator lit;
    Map::const_local_iterator clit;
};

inline bool operator==(A const& L, A const& R) { return &L == &R; }

int main(int, char**) {
    A a;

  return 0;
}