Update delegate invoke helper

Author: Sergio0694

src/cswinrt/code_writers.h

@@ -9095,23 +9095,39 @@ AbiToProjectionVftablePtr = ComWrappersSupport.AllocateVtableMemory(typeof(@), s
                 else
                 {
                     w.write(R"(
+if (!RuntimeFeature.IsDynamicCodeCompiled)
+{
+    AbiToProjectionVftablePtr = %.AbiToProjectionVftablePtr;
+}
+else
+{
+#if NET8_0_OR_GREATER
+    [RequiresDynamicCode("Generic instantiations might not be available in AOT scenarios.")]
+#endif
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static void InitializeAbiToProjectionVftablePtrFallback()
+    {
 %
 
-if (RuntimeFeature.IsDynamicCodeCompiled && %.AbiToProjectionVftablePtr == default)
+if (%.AbiToProjectionVftablePtr == default)
 {
-AbiInvokeDelegate = %;
-AbiToProjectionVftablePtr = ComWrappersSupport.AllocateVtableMemory(typeof(@%), sizeof(IntPtr) * 4);
-*(global::WinRT.Interop.IUnknownVftbl*)AbiToProjectionVftablePtr = global::WinRT.Interop.IUnknownVftbl.AbiToProjectionVftbl;
-((IntPtr*)AbiToProjectionVftablePtr)[3] = Marshal.GetFunctionPointerForDelegate(AbiInvokeDelegate);
+    AbiInvokeDelegate = %;
+    AbiToProjectionVftablePtr = ComWrappersSupport.AllocateVtableMemory(typeof(@%), sizeof(IntPtr) * 4);
+    *(global::WinRT.Interop.IUnknownVftbl*)AbiToProjectionVftablePtr = global::WinRT.Interop.IUnknownVftbl.AbiToProjectionVftbl;
+    ((IntPtr*)AbiToProjectionVftablePtr)[3] = Marshal.GetFunctionPointerForDelegate(AbiInvokeDelegate);
 }
 else
 {
-AbiToProjectionVftablePtr = %.AbiToProjectionVftablePtr;
+    AbiToProjectionVftablePtr = %.AbiToProjectionVftablePtr;
+}
+    }
+
+    InitializeAbiToProjectionVftablePtrFallback();
 }
 )",
                         !have_generic_params ? "" :
                             w.write_temp(R"( 
-if (RuntimeFeature.IsDynamicCodeCompiled && (%.AbiToProjectionVftablePtr == default || %._Invoke == default))
+if ((%.AbiToProjectionVftablePtr == default || %._Invoke == default))
 {
 Abi_Invoke_Type = Expression.GetDelegateType(new Type[] { typeof(void*), %typeof(int) });
 }