Conditionally include headers which older STL implementations don't provide.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150526
91177308-0d34-0410-b5e6-
96231b3b80d8
#include <utility>
#include <valarray>
#include <vector>
+
+#if __cplusplus >= 201103
+#include <array>
+#if __has_include(<atomic>)
+#include <atomic>
+#endif
+#include <chrono>
+#if __has_include(<codecvt>)
+#include <codecvt>
+#endif
+#include <condition_variable>
+#include <forward_list>
+#if __has_include(<future>)
+#include <future>
+#endif
+#include <initializer_list>
+#include <mutex>
+#include <random>
+#include <ratio>
+#include <regex>
+#if __has_include(<scoped_allocator>)
+#include <scoped_allocator>
+#endif
+#include <system_error>
+#include <thread>
+#include <tuple>
+#include <type_traits>
+#if __has_include(<typeindex>)
+#include <typeindex>
+#endif
+#include <unordered_map>
+#include <unordered_set>
+#endif