Pointer provenance was certainly not here in the 80s. That's a more modern creation seeking to extract better performance from some applications at a cost of making others broken/unimplementable.
It's not something that exists in the hardware. It's also not a good idea, though trying to steer people away from it proved beyond my politics.
It's not something that exists in the hardware. It's also not a good idea, though trying to steer people away from it proved beyond my politics.