Human poop should never be eaten to survive as the poop when eaten could actually kill you sooner than not eating anything.
Poop that comes out of your intestines and bowels contains bacteria that can be very harmful to your health when it's ingested.
The poop is okay in your body as it moves through your intestines and into your bowels but when you ingest the poop it becomes toxic.
So never eat your poop for survival or any time else as it can be very harmful and it's disgusting as well.
Dogs can eat their poop without harm but humans should never do it.
I would rather starve to death anyway than eat my poop for survival even if it were not toxic.
Try to find other things such as tree bark etc to eat and even dandelions can be eaten but poop should never be eaten.