| 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 | // <set> |
|---|
| 10 | |
|---|
| 11 | // Check that std::set fails to instantiate if the comparison predicate is |
|---|
| 12 | // not copy-constructible. This is LWG issue 2436 |
|---|
| 13 | |
|---|
| 14 | #include <set> |
|---|
| 15 | |
|---|
| 16 | template <class T> |
|---|
| 17 | struct Comp { |
|---|
| 18 | bool operator () (const T& lhs, const T& rhs) const { return lhs < rhs; } |
|---|
| 19 | |
|---|
| 20 | Comp () {} |
|---|
| 21 | private: |
|---|
| 22 | Comp (const Comp &); // declared but not defined |
|---|
| 23 | }; |
|---|
| 24 | |
|---|
| 25 | |
|---|
| 26 | int main(int, char**) { |
|---|
| 27 | std::set<int, Comp<int> > m; |
|---|
| 28 | |
|---|
| 29 | return 0; |
|---|
| 30 | } |
|---|
| 31 | |
|---|
