pytorch

8b12c8e8 - Fixes: register_full_backward_hook crash if first argument don't require a gradient (#57944) (#57945)

Fixes: register_full_backward_hook crash if first argument don't require a gradient (#57944) (#57945) Summary: Fixes https://github.com/pytorch/pytorch/issues/57944 Pull Request resolved: https://github.com/pytorch/pytorch/pull/57945 Reviewed By: mruberry Differential Revision: D28351929 Pulled By: albanD fbshipit-source-id: d0db898e6bf13d1877cd81892a5a65c7854c8102