Fix broken check whether layout is for same class

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Limit the size of the dispatch chain

- use Object's accessors for field directly in fallback implementation

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Whitespace

Signed-off-by: Stefan Marr <git@stefan-marr.de>