Defining object destructor in c10 (#21984)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21984
ghimport-source-id: 5767592e37ed388422eed5639f8ba0722aec66e2
Test Plan: Imported from OSS
Differential Revision: D15906530
Pulled By: zdevito
fbshipit-source-id: bec8c8b0b5b9dcc2e8fc69b5031fcfa6bb22d54e
