Back out "Revert D21530545: Remove call_unboxed_super_slow_temp_shim" (#38742)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38742
Original commit changeset: af9013ed37d2
ghstack-source-id: 104397898
Test Plan: waitforsandcastle
Differential Revision: D21651660
fbshipit-source-id: 8bb56eb8abd43fd01d1468f104babe92a09d2ad4