1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <set>
11
12 // Check that std::set fails to instantiate if the comparison predicate is
13 // not copy-constructible. This is LWG issue 2436
14
15 #include <set>
16
17 template <class T>
18 struct Comp {
operator ()Comp19 bool operator () (const T& lhs, const T& rhs) const { return lhs < rhs; }
20
CompComp21 Comp () {}
22 private:
23 Comp (const Comp &); // declared but not defined
24 };
25
26
main()27 int main() {
28 std::set<int, Comp<int> > m;
29 }
30