Fix math::Set for large tensor (#17539)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17539
Fix math::Set for large tensor
i-am-not-moving-c2-to-c10
Reviewed By: dzhulgakov, houseroad
Differential Revision: D14240756
fbshipit-source-id: 0ade26790be41fb26d2cc193bfa3082c7bd4e69d
