[fix] `torch.amax` and `torch.amin` for empty tensors if dim arg not provided. (#73914)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/73905
cc kshitij12345! :)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73914
Reviewed By: H-Huang
Differential Revision: D34898405
Pulled By: ngimel
fbshipit-source-id: d814b0ea0302d611a391314fb4db8225bb9304f7
(cherry picked from commit 864ee2b301a741e7595fbcf4833a4e44dcc57098)
