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 // <map>
10
11 // Check that std::multimap fails to instantiate if the comparison predicate is
12 // not copy-constructible. This is LWG issue 2436
13
14 #include <map>
15
16 template <class T>
17 struct Comp {
operator ()Comp18 bool operator () (const T& lhs, const T& rhs) const { return lhs < rhs; }
19
CompComp20 Comp () {}
21 private:
22 Comp (const Comp &); // declared but not defined
23 };
24
25
main(int,char **)26 int main(int, char**) {
27 std::multimap<int, int, Comp<int> > m;
28
29 return 0;
30 }
31