Raise exception when trying to build PyTorch on 32-bit Windows system (#40321)
Summary:
Makes errors in cases described in https://github.com/pytorch/pytorch/issues/27815 more obvious
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40321
Differential Revision: D22198352
Pulled By: malfet
fbshipit-source-id: 327d81103c066048dcf5f900fd9083b09942af0e
