"Isn't the fact that core types don't have a fixed representation a bigger mistake ? " No. There were problems when 64-bit CPUs came along, but they have been

"Isn't the fact that core types don't have a fixed representation a bigger mistake ? " No. There were problems when 64-bit CPUs came along, but they have been pretty much ironed out, and don't nearly compare to the pervasive bugs that Walter mentions in his article.