It's very probably true in the totality of "as expressed in a real build for all configurations and architectures", too much variation of behavior to have the w

It's very probably true in the totality of "as expressed in a real build for all configurations and architectures", too much variation of behavior to have the whole map in mind at once. You can work through it potentially, and I'm sure a few come close, but others will have things top of mind that experts don't.