[C#] AST Creation for ImplicitObjectCreationExpression

[tuxology]

This is observed often via target-types new() : https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/new-operator#target-typed-new

Sample to reproduce:

public class Foo
{
   private readonly Bar _b = new ();

   public test()
   {
       var o = _b.Abc(i) as Baz;
   }
}