pytorch

70ae5685 - [reland][c10d] switch ProcessGroup::Work to be managed by intrusive_ptr (#47806)

[reland][c10d] switch ProcessGroup::Work to be managed by intrusive_ptr (#47806) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47806 reland https://github.com/pytorch/pytorch/pull/44046 Test Plan: wait for ci Reviewed By: gmagogsfm Differential Revision: D24905245 fbshipit-source-id: ad75ace5432fcfd22d513878f5a73c4bb017324e