add assert to make sure expected number of LTC roots matches what TS … (#73112)
Summary:
…computes
Fixes #ISSUE_NUMBER
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73112
Reviewed By: mikaylagawarecki
Differential Revision: D34351338
Pulled By: Krovatkin
fbshipit-source-id: 1b3d0f3c801bd095b68d2eff3184ecbefadf7f34
(cherry picked from commit 53b7fc4ad6cf6f0f29cac9c2b30e904241f050a1)
