From 0f87d6ffa699e8135206c15aaed560ab67f685f5 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@meta.com>
Date: Wed, 17 Jul 2024 14:29:19 -0700
Subject: [PATCH] Improve sign processing

---
 include/fmt/format.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 4f3d4a79..d2707350 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -1120,7 +1120,7 @@ template <typename Char, typename Sign> constexpr auto sign(Sign s) -> Char {
 #if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 604
   static_assert(std::is_same<Sign, sign_t>::value, "");
 #endif
-  return static_cast<Char>("\0-+ "[s]);
+  return static_cast<char>(((' ' << 24) | ('+' << 16) | ('-' << 8)) >> (s * 8));
 }
 
 template <typename T> FMT_CONSTEXPR auto count_digits_fallback(T n) -> int {