Revert "Revert "Unify meta tensor and fake tensor converter conversion (#87943)"" (#88045)
This reverts commit bc64999b8382796199178cf480adf51512b5f139.
Check torch/_subclasses/meta_utils.py for "This is very tricky" for the bugfix explanation.
cc @mlazos @soumith @voznesenskym @yanboliang @penguinwu @anijain2305 @EikanWang @jgong5 @Guobing-Chen @chunyuan-w @XiaobingSuper @zhuhaozhe @blzheng @Xia-Weiwen @wenzhe-nrv @jiayisunx
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88045
Approved by: https://github.com/kit1980, https://github.com/Chillee
