fix fbcode weak ordering (#23511)
Summary:
There is an internal fbcode assert that fails if i do not add these checks.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23511
Differential Revision: D16545606
Pulled By: eellison
fbshipit-source-id: cd3a799850bae8f052f9d81c1e4a2678fda19317
