This patch lets libstdc++ use new built-in trait __remove_pointer. libstdc++-v3/ChangeLog:
* include/std/type_traits (remove_pointer): Use __remove_pointer built-in trait. --- libstdc++-v3/include/std/type_traits | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2bd607a8b8f..8b0db4d37bc 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -2023,19 +2023,25 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION // Pointer modifications. + /// remove_pointer +#if __has_builtin(__remove_pointer) + template<typename _Tp> + struct remove_pointer + { using type = __remove_pointer(_Tp); }; +#else template<typename _Tp, typename> struct __remove_pointer_helper - { typedef _Tp type; }; + { using type = _Tp; }; template<typename _Tp, typename _Up> struct __remove_pointer_helper<_Tp, _Up*> - { typedef _Up type; }; + { using type = _Up; }; - /// remove_pointer template<typename _Tp> struct remove_pointer : public __remove_pointer_helper<_Tp, __remove_cv_t<_Tp>> { }; +#endif template<typename _Tp, typename = void> struct __add_pointer_helper -- 2.40.0