How to generate a compiler warning/error when object sliced

Question

I want to know if it is possible to let compiler issue a warning/error for code as following:

Note:

1. Yea, it is bad programming style and

Answer 1

This is commonly called Object Slicing and is a well-known enough problem to have its own Wikipedia article (although it is only a short description of the problem).

I believe I have used a compiler that had a warning you could enable to detect and warn about this. However, I don't recall which one that was.