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-rw-r--r--libcxx/include/type_traits2
1 files changed, 1 insertions, 1 deletions
diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
index e413d2656e3..7ff67bfdb73 100644
--- a/libcxx/include/type_traits
+++ b/libcxx/include/type_traits
@@ -404,6 +404,7 @@ namespace std
*/
#include <__config>
#include <cstddef>
+#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@@ -4758,7 +4759,6 @@ struct __has_operator_addressof
#if _LIBCPP_STD_VER > 14
-#define __cpp_lib_void_t 201411
template <class...> using void_t = void;
# ifndef _LIBCPP_HAS_NO_VARIADICS