pytorch

6eaea398 - Kill _th_zero binding, just use a simple native function instead.

Kill _th_zero binding, just use a simple native function instead. Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/28597 Test Plan: Imported from OSS Differential Revision: D18116721 Pulled By: gchanan fbshipit-source-id: f93b968333042700c31e37f434080b200754dddc