From 6d75a1d965ffcf6f70e090e2fb89bd37ee9ffe79 Mon Sep 17 00:00:00 2001
From: Junekey Jeon <j6jeon@ucsd.edu>
Date: Tue, 2 Apr 2024 15:17:31 -0700
Subject: [PATCH] Guard against MSVC only; clang-cl doesn't need to be there

---
 include/dragonbox/dragonbox.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/dragonbox/dragonbox.h b/include/dragonbox/dragonbox.h
index a597eee..4c6d9c6 100644
--- a/include/dragonbox/dragonbox.h
+++ b/include/dragonbox/dragonbox.h
@@ -1884,7 +1884,9 @@ namespace jkj {
                     using sign_policy = ignore_t;
                     static constexpr bool return_has_sign = false;
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__clang__)
+                    // See
+                    // https://developercommunity.visualstudio.com/t/Failure-to-optimize-intrinsics/10628226
                     template <class SignedSignificandBits, class UInt>
                     static constexpr decimal_fp<UInt, false, false>
                     handle_sign(SignedSignificandBits, decimal_fp<UInt, false, false> r) noexcept {