Only synthesize <Clone>$ for record proxies w/o target

Author: stakx

src/Castle.Core/DynamicProxy/Generators/BaseClassProxyGenerator.cs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#nullable enable
+
 namespace Castle.DynamicProxy.Generators
 {
 	using System;
@@ -31,7 +33,7 @@ protected BaseClassProxyGenerator(ModuleScope scope, Type targetType, Type[] int
 			EnsureDoesNotImplementIProxyTargetAccessor(targetType, nameof(targetType));
 		}
 
-		protected abstract FieldReference TargetField { get; }
+		protected abstract FieldReference? TargetField { get; }
 
 #if FEATURE_SERIALIZATION
 		protected abstract SerializableContributor GetSerializableContributor();
@@ -41,6 +43,8 @@ protected BaseClassProxyGenerator(ModuleScope scope, Type targetType, Type[] int
 
 		protected abstract ProxyTargetAccessorContributor GetProxyTargetAccessorContributor();
 
+		protected abstract RecordCloningContributor? GetRecordCloningContributor(INamingScope namingScope);
+
 		protected sealed override Type GenerateType(string name, INamingScope namingScope)
 		{
 			IEnumerable<ITypeContributor> contributors;
@@ -192,7 +196,11 @@ private IEnumerable<Type> GetTypeImplementerMapping(out IEnumerable<ITypeContrib
 			}
 #endif
 
-			contributorsList.Add(new RecordCloningContributor(targetType, namingScope));
+			var recordCloningContributor = GetRecordCloningContributor(namingScope);
+			if (recordCloningContributor != null)
+			{
+				contributorsList.Add(recordCloningContributor);
+			}
 
 			var proxyTargetAccessorContributor = GetProxyTargetAccessorContributor();
 			contributorsList.Add(proxyTargetAccessorContributor);

src/Castle.Core/DynamicProxy/Generators/ClassProxyGenerator.cs

@@ -1,4 +1,4 @@
-// Copyright 2004-2025 Castle Project - http://www.castleproject.org/
+// Copyright 2004-2026 Castle Project - http://www.castleproject.org/
 // 
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#nullable enable
+
 namespace Castle.DynamicProxy.Generators
 {
 	using System;
@@ -29,7 +31,7 @@ public ClassProxyGenerator(ModuleScope scope, Type targetType, Type[] interfaces
 		{
 		}
 
-		protected override FieldReference TargetField => null;
+		protected override FieldReference? TargetField => null;
 
 		protected override CacheKey GetCacheKey()
 		{
@@ -54,5 +56,10 @@ protected override ProxyTargetAccessorContributor GetProxyTargetAccessorContribu
 				getTarget: () => ThisExpression.Instance,
 				targetType);
 		}
+
+		protected override RecordCloningContributor? GetRecordCloningContributor(INamingScope namingScope)
+		{
+			return new RecordCloningContributor(targetType, namingScope);
+		}
 	}
 }

src/Castle.Core/DynamicProxy/Generators/ClassProxyWithTargetGenerator.cs

@@ -1,4 +1,4 @@
-// Copyright 2004-2025 Castle Project - http://www.castleproject.org/
+// Copyright 2004-2026 Castle Project - http://www.castleproject.org/
 // 
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#nullable enable
+
 namespace Castle.DynamicProxy.Generators
 {
 	using System;
@@ -29,15 +31,15 @@ namespace Castle.DynamicProxy.Generators
 
 	internal sealed class ClassProxyWithTargetGenerator : BaseClassProxyGenerator
 	{
-		private FieldReference targetField;
+		private FieldReference? targetField;
 
 		public ClassProxyWithTargetGenerator(ModuleScope scope, Type targetType, Type[] interfaces,
 		                                     ProxyGenerationOptions options)
 			: base(scope, targetType, interfaces, options)
 		{
 		}
 
-		protected override FieldReference TargetField => targetField;
+		protected override FieldReference? TargetField => targetField;
 
 		protected override CacheKey GetCacheKey()
 		{
@@ -69,6 +71,11 @@ protected override ProxyTargetAccessorContributor GetProxyTargetAccessorContribu
 				targetType);
 		}
 
+		protected override RecordCloningContributor? GetRecordCloningContributor(INamingScope namingScope)
+		{
+			return null;
+		}
+
 		private void CreateTargetField(ClassEmitter emitter)
 		{
 			targetField = emitter.CreateField("__target", targetType);