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 // <memory>
11
12 // template<class T> class weak_ptr
13 // {
14 // public:
15 // typedef T element_type;
16 // ...
17 // };
18
19 #include <memory>
20
21 struct A; // purposefully incomplete
22
main()23 int main()
24 {
25 static_assert((std::is_same<std::weak_ptr<A>::element_type, A>::value), "");
26 }
27