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 // GCC 5 does not evaluate static assertions dependent on a template parameter.
10 // UNSUPPORTED: gcc-5
11 
12 // <map>
13 
14 // Check that std::multimap fails to instantiate if the comparison predicate is
15 // not copy-constructible. This is LWG issue 2436
16 
17 #include <map>
18 
19 template <class T>
20 struct Comp {
21     bool operator () (const T& lhs, const T& rhs) const { return lhs < rhs; }
22 
23     Comp () {}
24 private:
25     Comp (const Comp &); // declared but not defined
26     };
27 
28 
29 int main(int, char**) {
30     std::multimap<int, int, Comp<int> > m;
31 
32   return 0;
33 }
34