//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // Check that std::multiset fails to instantiate if the comparison predicate is // not copy-constructible. This is LWG issue 2436 #include template 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() { std::multiset > m; }