From 417b35b5b3a25c779a33417806fd389cdd4fea68 Mon Sep 17 00:00:00 2001
From: Alexey Ochapov <alexez@alexez.com>
Date: Fri, 25 Dec 2020 21:45:58 +0300
Subject: [PATCH] workaround MSVC bug

---
 include/fmt/format.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 42f0bdac..68ca2e56 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2111,12 +2111,14 @@ FMT_CONSTEXPR OutputIt write(OutputIt out, T value) {
   return base_iterator(out, it);
 }
 
+// FMT_ENABLE_IF() condition separated to workaround MSVC bug
 template <
     typename Char, typename OutputIt, typename T,
-    FMT_ENABLE_IF(
+    bool check =
         std::is_enum<T>::value && !std::is_same<T, Char>::value &&
         mapped_type_constant<T, basic_format_context<OutputIt, Char>>::value !=
-            type::custom_type)>
+            type::custom_type,
+    FMT_ENABLE_IF(check)>
 FMT_CONSTEXPR OutputIt write(OutputIt out, T value) {
   return write<Char>(
       out, static_cast<typename std::underlying_type<T>::type>(value));