pytorch

538c30a7 - [caffe2] fixes to allow stricter compilation flag (#64016)

[caffe2] fixes to allow stricter compilation flag (#64016) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64016 In order to increase the strictness of the compilation for some target depending on caffe2 we need to fix some errors uncovered when rising such flags. This change introduces the required override tokens for virtual destructors Test Plan: CI. Moreover targets depending on caffe2 using clang strict warnings now compile Reviewed By: kalman5 Differential Revision: D30541714 fbshipit-source-id: 564af31b4a9df3536d7d6f43ad29e1d0c7040551