From db1af40f2ba4995ee42aeade975d2bc95c128a97 Mon Sep 17 00:00:00 2001
From: Christopher Kohlhoff <chris@kohlhoff.com>
Date: Mon, 6 Mar 2023 23:38:46 +1100
Subject: [PATCH] Fix spurious operator precedence warning with MSVC.

---
 include/boost/asio/buffer.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/asio/buffer.hpp b/include/boost/asio/buffer.hpp
index 15ad997c..c620ccc8 100644
--- a/include/boost/asio/buffer.hpp
+++ b/include/boost/asio/buffer.hpp
@@ -2754,9 +2754,9 @@ struct hex_literal<bytes<Bytes...>, Hi, Lo, Chars...> :
       static_cast<unsigned char>(
         Lo >= 'A' && Lo <= 'F' ? Lo - 'A' + 10 :
           (Lo >= 'a' && Lo <= 'f' ? Lo - 'a' + 10 : Lo - '0')) |
-      (static_cast<unsigned char>(
+      ((static_cast<unsigned char>(
         Hi >= 'A' && Hi <= 'F' ? Hi - 'A' + 10 :
-          (Hi >= 'a' && Hi <= 'f' ? Hi - 'a' + 10 : Hi - '0')) << 4)
+          (Hi >= 'a' && Hi <= 'f' ? Hi - 'a' + 10 : Hi - '0'))) << 4)
     >, Chars...> {};
 
 template <unsigned char... Bytes, char Char>