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 // UNSUPPORTED: libcpp-has-no-threads
11 //
12 // This test uses new symbols that were not defined in the libc++ shipped on
13 // darwin11 and darwin12:
14 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11
15 // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12
16
17 // <memory>
18
19 // shared_ptr
20
21 // template <class T>
22 // shared_ptr<T>
23 // atomic_load(const shared_ptr<T>* p)
24
25 #include <memory>
26 #include <cassert>
27
main()28 int main()
29 {
30 #if __has_feature(cxx_atomic)
31 {
32 std::shared_ptr<int> p(new int(3));
33 std::shared_ptr<int> q = std::atomic_load(&p);
34 assert(*q == *p);
35 }
36 #endif
37 }
38