pytorch

abc54f93 - Revert "Revert "[functorch] Refactor life handle storage (#90317)"" (#90856)

Revert "Revert "[functorch] Refactor life handle storage (#90317)"" (#90856) Adds the fix for -Wsign-compare. See original PR (https://github.com/pytorch/pytorch/pull/90317) for commit message Pull Request resolved: https://github.com/pytorch/pytorch/pull/90856 Approved by: https://github.com/samdow