pytorch

07c02b9e - Add vmap support for `smooth_l1_loss_backward` (#99429)

Add vmap support for `smooth_l1_loss_backward` (#99429) Follow-up of #98357 Pull Request resolved: https://github.com/pytorch/pytorch/pull/99429 Approved by: https://github.com/kshitij12345, https://github.com/zou3519