[Static Runtime] Use FastSet instead of std::set everywhere (#65114)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65114
There doesn't seem to be any reason to use std::set for sets of pointers, right?
ghstack-source-id: 138198504
Reviewed By: hlu1
Differential Revision: D30978450
fbshipit-source-id: 4599c6249fda3a89959f839d3bf6400c5891f82c
