From 6c830e629ef332826264b72d7b0ead6642471cc7 Mon Sep 17 00:00:00 2001
From: Yuriy Chernyshov <thegeorg@yandex-team.ru>
Date: Tue, 1 Dec 2020 17:06:41 +0300
Subject: [PATCH] Use feature testing macro once more

---
 src/Core/Field.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Core/Field.h b/src/Core/Field.h
index 66e4f0ac8db..edfd6bdb317 100644
--- a/src/Core/Field.h
+++ b/src/Core/Field.h
@@ -165,7 +165,7 @@ private:
 template <> struct NearestFieldTypeImpl<char> { using Type = std::conditional_t<is_signed_v<char>, Int64, UInt64>; };
 template <> struct NearestFieldTypeImpl<signed char> { using Type = Int64; };
 template <> struct NearestFieldTypeImpl<unsigned char> { using Type = UInt64; };
-#if __cplusplus > 201703L
+#ifdef __cpp_char8_t
 template <> struct NearestFieldTypeImpl<char8_t> { using Type = UInt64; };
 #endif