From c392e0ade36f1a5ab312066724d77b595f6846ce Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Mon, 8 Mar 2021 10:46:24 -0500
Subject: [PATCH] Replace a couple FormatterServices uses in
 DataContractSerialization (#49290)

---
 .../src/System/Runtime/Serialization/SurrogateDataContract.cs           | 2 +-
 .../src/System/Runtime/Serialization/XmlFormatReaderGenerator.cs        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/SurrogateDataContract.cs b/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/SurrogateDataContract.cs
index ebf41ee..1cd7270 100644
--- a/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/SurrogateDataContract.cs
+++ b/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/SurrogateDataContract.cs
@@ -47,7 +47,7 @@ namespace System.Runtime.Serialization
         [MethodImpl(MethodImplOptions.NoInlining)]
         private object GetUninitializedObject(Type objType)
         {
-            return FormatterServices.GetUninitializedObject(objType);
+            return RuntimeHelpers.GetUninitializedObject(objType);
         }
 
         [MethodImpl(MethodImplOptions.NoInlining)]
diff --git a/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/XmlFormatReaderGenerator.cs b/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/XmlFormatReaderGenerator.cs
index 9c5d3cf..483f803 100644
--- a/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/XmlFormatReaderGenerator.cs
+++ b/src/libraries/System.Private.DataContractSerialization/src/System/Runtime/Serialization/XmlFormatReaderGenerator.cs
@@ -942,7 +942,7 @@ namespace System.Runtime.Serialization
 
         internal static object UnsafeGetUninitializedObject(Type type)
         {
-            return FormatterServices.GetUninitializedObject(type);
+            return RuntimeHelpers.GetUninitializedObject(type);
         }
 
         /// <SecurityNote>
-- 
2.7.4