From 4f5d18473db21ffca0a02da390c7abe00fe40053 Mon Sep 17 00:00:00 2001
From: Vladislav Shchapov <vladislav@shchapov.ru>
Date: Sat, 5 Aug 2023 22:13:03 +0500
Subject: [PATCH] Use std::addressof

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
---
 include/fmt/core.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/fmt/core.h b/include/fmt/core.h
index f6886cf4..1f3e5801 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -13,6 +13,7 @@
 #include <cstring>  // std::strlen
 #include <iterator>
 #include <limits>
+#include <memory>  // std::addressof
 #include <string>
 #include <type_traits>
 
@@ -1281,9 +1282,9 @@ template <typename Context> class value {
   FMT_INLINE value(const named_arg_info<char_type>* args, size_t size)
       : named_args{args, size} {}
 
-  template <typename T> FMT_CONSTEXPR FMT_INLINE value(T& val) {
+  template <typename T> FMT_CONSTEXPR20 FMT_INLINE value(T& val) {
     using value_type = remove_const_t<T>;
-    custom.value = const_cast<value_type*>(&val);
+    custom.value = const_cast<value_type*>(std::addressof(val));
     // Get the formatter type through the context to allow different contexts
     // have different extension points, e.g. `formatter<T>` for `format` and
     // `printf_formatter<T>` for `printf`.