[dotnet] add redirect-class-handles to optimizations. (#18354)

Add redirect-class-handles to optimization options.

tools/common/Optimizations.cs

@@ -27,6 +27,7 @@ public class Optimizations {
 			"custom-attributes-removal",
 			"experimental-xforms-product-type",
 			"force-rejected-types-removal",
+			"redirect-class-handles",
 		};
 
 		static ApplePlatform [] [] valid_platforms = new ApplePlatform [] [] {
@@ -48,6 +49,7 @@ public class Optimizations {
 			/* Opt.CustomAttributesRemoval            */ new ApplePlatform [] { ApplePlatform.iOS, ApplePlatform.MacOSX, ApplePlatform.WatchOS, ApplePlatform.TVOS, ApplePlatform.MacCatalyst },
 			/* Opt.ExperimentalFormsProductType       */ new ApplePlatform [] { ApplePlatform.iOS, ApplePlatform.MacOSX, ApplePlatform.WatchOS, ApplePlatform.TVOS, ApplePlatform.MacCatalyst },
 			/* Opt.ForceRejectedTypesRemoval          */ new ApplePlatform [] { ApplePlatform.iOS,                       ApplePlatform.WatchOS, ApplePlatform.TVOS, ApplePlatform.MacCatalyst },
+			/* Opt.RedirectClassHandles               */ new ApplePlatform [] { ApplePlatform.iOS, ApplePlatform.MacOSX, ApplePlatform.WatchOS, ApplePlatform.TVOS, ApplePlatform.MacCatalyst },
 		};
 
 		enum Opt {
@@ -69,6 +71,7 @@ enum Opt {
 			CustomAttributesRemoval,
 			ExperimentalFormsProductType,
 			ForceRejectedTypesRemoval,
+			RedirectClassHandles,
 		}
 
 		bool? [] values;
@@ -155,6 +158,11 @@ public bool? ForceRejectedTypesRemoval {
 			set { values [(int) Opt.ForceRejectedTypesRemoval] = value; }
 		}
 
+		public bool? RedirectClassHandles {
+			get { return values [(int) Opt.RedirectClassHandles]; }
+			set { values [(int) Opt.RedirectClassHandles] = value; }
+		}
+
 		public Optimizations ()
 		{
 			values = new bool? [opt_names.Length];
@@ -196,6 +204,7 @@ public void Initialize (Application app, out List<ProductException> messages)
 					break; // Does not require linker
 				case Opt.RegisterProtocols:
 				case Opt.RemoveDynamicRegistrar:
+				case Opt.RedirectClassHandles:
 					if (app.Registrar != RegistrarMode.Static && app.Registrar != RegistrarMode.ManagedStatic) {
 						messages.Add (ErrorHelper.CreateWarning (2003, Errors.MT2003, (values [i].Value ? "" : "-"), opt_names [i]));
 						values [i] = false;