Fix degenerate shape behavior for ord=+/-2 (#60273)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/59198
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60273
Reviewed By: jbschlosser
Differential Revision: D29422907
Pulled By: mruberry
fbshipit-source-id: 609cd640b0477f90bebca20865e34cbe182d3909
