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_explicit(const shared_ptr<T>* p, memory_order mo) 24 25 #include <memory> 26 #include <cassert> 27 28 int main() 29 { 30 #if __has_feature(cxx_atomic) 31 { 32 const std::shared_ptr<int> p(new int(3)); 33 std::shared_ptr<int> q = std::atomic_load_explicit(&p, std::memory_order_relaxed); 34 assert(*q == *p); 35 } 36 #endif 37 } 38
