From f273409f978577426cebe9de7b27f50471c59c06 Mon Sep 17 00:00:00 2001
From: "Stephan T. Lavavej" <stl@microsoft.com>
Date: Sun, 13 Apr 2025 19:13:41 -0700
Subject: [PATCH] `<optional>`: Extend compiler bug workaround to MSVC

---
 stl/inc/optional | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stl/inc/optional b/stl/inc/optional
index 8e8e0a4745a..8454922206e 100644
--- a/stl/inc/optional
+++ b/stl/inc/optional
@@ -952,7 +952,7 @@ _NODISCARD constexpr bool operator>=(const _Ty1& _Left, const optional<_Ty2>& _R
 }
 
 #if _HAS_CXX20
-#ifdef __EDG__ // TRANSITION, DevCom-10880933
+#ifndef __clang__ // TRANSITION, DevCom-10880933 (EDG) and VSO-2444237 (MSVC)
 template <class _Ty>
 void _Derived_from_optional_impl(const optional<_Ty>&);