Rebase main & Move RuntimeHelpers

Author: MichelZ

src/Microsoft.Data.SqlClient/netcore/src/Microsoft.Data.SqlClient.csproj

@@ -628,11 +628,11 @@
     <Compile Include="Common\System\Net\Security\SecurityBufferType.cs" />
     <Compile Include="Common\System\Net\SecurityStatusPal.cs" />
     <Compile Include="Common\System\Threading\Tasks\TaskToApm.cs" />
-    <Compile Include="Common\System\Runtime\CompilerServicesOverride\RuntimeHelpers.cs" />
     <Compile Include="Interop\SNINativeMethodWrapper.Common.cs" />
     <Compile Include="Microsoft\Data\Common\DbConnectionOptions.cs" />
     <Compile Include="Microsoft\Data\SqlClient\LocalDBAPI.cs" />
     <Compile Include="Microsoft\Data\SqlClient\Reliability\SqlConfigurableRetryLogicManager.NetCoreApp.cs" />
+    <Compile Include="Microsoft\Data\SqlClient\RuntimeHelpers.cs" />
     <Compile Include="Microsoft\Data\SqlClient\SNI\ConcurrentQueueSemaphore.cs" />
     <Compile Include="Microsoft\Data\SqlClient\SNI\SNIError.cs" />
     <Compile Include="Microsoft\Data\SqlClient\SNI\SNICommon.cs" />

src/Microsoft.Data.SqlClient/netcore/src/Common/System/Runtime/CompilerServicesOverride/RuntimeHelpers.cs renamed to src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/RuntimeHelpers.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics;
 
-namespace System.Runtime.CompilerServicesOverride
+namespace Microsoft.Data.SqlClient
 {
     internal struct RuntimeHelpers
     {

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlDataReader.cs

@@ -14,7 +14,6 @@
 using System.Globalization;
 using System.IO;
 using System.Reflection;
-using RuntimeHelpers = System.Runtime.CompilerServicesOverride.RuntimeHelpers;
 using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.Json;

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParserStateObject.netcore.cs

@@ -5,7 +5,6 @@
 using System;
 using System.Diagnostics;
 using System.Buffers.Binary;
-using System.Runtime.CompilerServicesOverride;
 using System.Runtime.InteropServices;
 using System.Security;
 using System.Threading;

src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/TdsParserStateObject.cs

@@ -17,8 +17,6 @@ namespace Microsoft.Data.SqlClient
 #if NETFRAMEWORK
     using PacketHandle = IntPtr;
     using RuntimeHelpers = System.Runtime.CompilerServices.RuntimeHelpers;
-#else
-    using System.Runtime.CompilerServicesOverride;
 #endif
 
     sealed internal class LastIOTimer