From 2db69c7fd24894c85f294f20e515cc26fe65f0f1 Mon Sep 17 00:00:00 2001
From: Alexey Ochapov <alexez@alexez.com>
Date: Mon, 1 Mar 2021 23:18:07 +0300
Subject: [PATCH] use simplified `void_t` for all compilers other than gcc 4.x

---
 include/fmt/core.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/fmt/core.h b/include/fmt/core.h
index 94b31f71f156..7b2b2a435a0c 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -1379,10 +1379,14 @@ template <typename T> struct formattable : std::false_type {};
 
 namespace detail {
 
+#if FMT_GCC_VERSION && FMT_GCC_VERSION < 500
 // A workaround for gcc 4.8 to make void_t work in a SFINAE context.
 template <typename... Ts> struct void_t_impl { using type = void; };
 template <typename... Ts>
 using void_t = typename detail::void_t_impl<Ts...>::type;
+#else
+template <typename...> using void_t = void;
+#endif
 
 template <typename It, typename T, typename Enable = void>
 struct is_output_iterator : std::false_type {};