From db79df652fb035eaf8b235b885886317b6bae8e9 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Tue, 17 Jun 2025 09:15:32 -0400
Subject: [PATCH] Fix visibility of polyfill

---
 .../CompilerServices/DefaultInterpolatedStringHandler.cs        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Common/Polyfills/System/Runtime/CompilerServices/DefaultInterpolatedStringHandler.cs b/src/Common/Polyfills/System/Runtime/CompilerServices/DefaultInterpolatedStringHandler.cs
index 515ef63c7..244f0875e 100644
--- a/src/Common/Polyfills/System/Runtime/CompilerServices/DefaultInterpolatedStringHandler.cs
+++ b/src/Common/Polyfills/System/Runtime/CompilerServices/DefaultInterpolatedStringHandler.cs
@@ -12,7 +12,7 @@
 namespace System.Runtime.CompilerServices
 {
     /// <summary>Provides a handler used by the language compiler to process interpolated strings into <see cref="string"/> instances.</summary>
-    public ref struct DefaultInterpolatedStringHandler
+    internal ref struct DefaultInterpolatedStringHandler
     {
         // Implementation note:
         // As this type lives in CompilerServices and is only intended to be targeted by the compiler,