From 82a0e317f99f59664928f10a6cdd350e2cd4f5aa Mon Sep 17 00:00:00 2001
From: Matt Borland <matt@mattborland.com>
Date: Thu, 20 Apr 2023 14:18:03 +0200
Subject: [PATCH] Fix MSVC warning C4100

---
 include/boost/charconv/detail/dragonbox.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/charconv/detail/dragonbox.hpp b/include/boost/charconv/detail/dragonbox.hpp
index 404f828..e53ccd2 100644
--- a/include/boost/charconv/detail/dragonbox.hpp
+++ b/include/boost/charconv/detail/dragonbox.hpp
@@ -398,7 +398,7 @@ struct dragonbox_signed_significand_bits
         }
 
         template <typename UInt>
-        BOOST_CXX14_CONSTEXPR UInt divide_by_pow10(unsigned N, UInt n_max, UInt n) noexcept
+        BOOST_CXX14_CONSTEXPR UInt divide_by_pow10(unsigned N, BOOST_ATTRIBUTE_UNUSED UInt n_max, UInt n) noexcept
         {
             BOOST_IF_CONSTEXPR (std::is_same<UInt, std::uint32_t>::value && N == 2) 
             {