//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// The test requires access control SFINAE.
// <unordered_map>
// Check that std::unordered_multimap fails to instantiate if the comparison predicate is
// not copy-constructible. This is LWG issue 2436
#include <unordered_map>
template <class T>
struct Comp {
bool operator () (const T& lhs, const T& rhs) const { return lhs == rhs; }
Comp () {}
private:
Comp (const Comp &); // declared but not defined
};
int main(int, char**) {
std::unordered_multimap<int, int, std::hash<int>, Comp<int> > m;
return 0;
}