diff --git a/libstdc++-v3/include/bits/utility.h b/libstdc++-v3/include/bits/utility.h index 45d7241da9fb55647e2c47e8700ff39aa398b7c6..d8a5fb960feb0390c0229148bf97c186de880783 100644 --- a/libstdc++-v3/include/bits/utility.h +++ b/libstdc++-v3/include/bits/utility.h @@ -225,7 +225,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif // C++17 -#if __has_builtin(__type_pack_element) +#if _GLIBCXX_USE_BUILTIN_TRAIT(__type_pack_element) template<size_t _Np, typename... _Types> struct _Nth_type { using type = __type_pack_element<_Np, _Types...>; };