Enable IDE0065 (Misplaced using directive)

Author: stephentoub

eng/CodeAnalysis.src.globalconfig

@@ -1492,7 +1492,7 @@ dotnet_diagnostic.IDE0063.severity = silent
 dotnet_diagnostic.IDE0064.severity = silent
 
 # IDE0065: Misplaced using directive
-dotnet_diagnostic.IDE0065.severity = suggestion
+dotnet_diagnostic.IDE0065.severity = warning
 
 # IDE0066: Convert switch statement to expression
 dotnet_diagnostic.IDE0066.severity = suggestion

src/coreclr/nativeaot/Directory.Build.props

@@ -34,7 +34,7 @@
     <NoWarn>$(NoWarn);CS8602;CS8603;CS8604;CS8618;CS8625;CS8632;CS8765</NoWarn>
 
     <!-- we should just fix -->
-    <NoWarn>$(NoWarn);CA1810;CA1823;CA1825;CA1852;CA2208;SA1129;SA1205;SA1400;SA1517</NoWarn>
+    <NoWarn>$(NoWarn);CA1810;CA1823;CA1825;CA1852;CA2208;SA1129;SA1205;SA1400;SA1517;IDE0065</NoWarn>
 
     <!-- Arrays as attribute arguments is not CLS-compliant -->
     <NoWarn>$(NoWarn);CS3016</NoWarn>

src/libraries/System.ComponentModel.TypeConverter/src/System/ComponentModel/DesignTimeVisibleAttribute.cs

@@ -1,11 +1,11 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
+using System.Diagnostics.CodeAnalysis;
+
 namespace System.ComponentModel
 {
-    using System;
-    using System.Diagnostics.CodeAnalysis;
-
     /// <summary>
     /// DesignTimeVisibileAttribute marks a component's visibility. If
     /// DesignTimeVisibileAttribute.Yes is present, a visual designer can show

src/libraries/System.Configuration.ConfigurationManager/src/System/Configuration/ConfigDefinitionUpdates.cs

@@ -1,10 +1,10 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Collections;
+
 namespace System.Configuration
 {
-    using Collections;
-
     // Contains all the updates to section definitions across all location sections.
     internal sealed class ConfigDefinitionUpdates
     {

src/libraries/System.Data.OleDb/src/OleDbConnection.cs

@@ -9,11 +9,10 @@
 using System.Globalization;
 using System.Runtime.InteropServices;
 using System.Text;
+using SysTx = System.Transactions;
 
 namespace System.Data.OleDb
 {
-    using SysTx = Transactions;
-
     // wraps the OLEDB IDBInitialize interface which represents a connection
     // Notes about connection pooling
     // 1. Only happens if we use the IDataInitialize or IDBPromptInitialize interfaces

src/libraries/System.Data.OleDb/src/OleDbConnectionInternal.cs

@@ -8,11 +8,10 @@
 using System.Globalization;
 using System.Runtime.InteropServices;
 using System.Threading;
+using SysTx = System.Transactions;
 
 namespace System.Data.OleDb
 {
-    using SysTx = Transactions;
-
     internal sealed class OleDbConnectionInternal : DbConnectionInternal, IDisposable
     {
         private static volatile OleDbServicesWrapper? idataInitialize;

src/libraries/System.Data.OleDb/src/OleDbStruct.cs

@@ -2,14 +2,13 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Runtime.InteropServices;
-
-namespace System.Data.OleDb
-{
 #if DEBUG
-    using Globalization;
-    using Text;
+using System.Globalization;
+using System.Text;
 #endif
 
+namespace System.Data.OleDb
+{
     internal enum DBBindStatus
     {
         OK = 0,

src/libraries/System.Data.OleDb/src/System/Data/ProviderBase/DbConnectionHelper.cs

@@ -5,11 +5,10 @@
 using System.Data.ProviderBase;
 using System.Diagnostics;
 using System.Threading;
+using SysTx = System.Transactions;
 
 namespace System.Data.OleDb
 {
-    using SysTx = Transactions;
-
     public sealed partial class OleDbConnection : DbConnection
     {
         private static readonly DbConnectionFactory _connectionFactory = OleDbConnectionFactory.SingletonInstance;

src/libraries/System.Data.OleDb/src/System/Data/ProviderBase/DbConnectionPool.cs

@@ -11,11 +11,10 @@
 using System.Runtime.Versioning;
 using System.Threading;
 using System.Threading.Tasks;
+using SysTx = System.Transactions;
 
 namespace System.Data.ProviderBase
 {
-    using SysTx = Transactions;
-
     internal sealed class DbConnectionPool
     {
         private enum State

src/libraries/System.DirectoryServices.AccountManagement/src/System/DirectoryServices/AccountManagement/ExtensionCache.cs

@@ -1,13 +1,13 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
+using System.Collections.Generic;
+using System.Collections;
+using System.DirectoryServices;
+
 namespace System.DirectoryServices.AccountManagement
 {
-    using System;
-    using System.Collections.Generic;
-    using System.Collections;
-    using System.DirectoryServices;
-
     internal sealed class ExtensionCacheValue
     {
         internal ExtensionCacheValue(object[] value)