Make detach return an alias even under inference mode (#59633)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59633
Fixes #59614
This fix isn't 100% correct but it appears to stem the bleeding.
A better fix would be understand how to detect when function
implementations don't uphold required invariants, leading to
refcount disaster.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Reviewed By: gchanan
Differential Revision: D28962183
Pulled By: ezyang
fbshipit-source-id: 6ec71994666289dadef47bac363e6902df90b094
