pytorch

8afa001d - Revert D20885968: [pytorch][PR] Enable backtrace with MSVC

Revert D20885968: [pytorch][PR] Enable backtrace with MSVC Test Plan: revert-hammer Differential Revision: D20885968 Original commit changeset: 6ad3822af31e fbshipit-source-id: 468199cae2178b17b7ff63114e274b6844eecb7f