================ @@ -17,16 +17,37 @@ #include <__type_traits/is_reference.h> #include <__type_traits/remove_cvref.h> #include <__type_traits/remove_reference.h> +#include <__type_traits/type_identity.h> #include <__utility/declval.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif +#if _LIBCPP_STD_VER >= 20 + _LIBCPP_BEGIN_NAMESPACE_STD -// common_reference -#if _LIBCPP_STD_VER >= 20 +template <class...> +struct common_reference; ---------------- frederick-vs-ja wrote:
FYI I've opened #141465 to add `_LIBCPP_NO_SPECIALIZATIONS` to `common_reference`. Once the affected test gets fixed, we can also add `_LIBCPP_NO_SPECIALIZATIONS` here. https://github.com/llvm/llvm-project/pull/121199 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
