Refactor function_wrapper.create_generic (#22077)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/22077
ghimport-source-id: 39cf0a2e66e7fa2b6866af72782a22a4bd025e4c
Test Plan:
- Compared the build/aten/src folder before and after this change
locally and verified they are identical (`diff -r`).
- Wait for CI + Also, [namedtensor ci]
Imported from OSS
Differential Revision: D15941967
Pulled By: zou3519
fbshipit-source-id: d8607df78f48325fba37e0d00fce0ecfbb78cb36
