pytorch

8df298bc - [functorch] vmap-dynamo: run vmap_impl under fake_mode (#107462)

[functorch] vmap-dynamo: run vmap_impl under fake_mode (#107462) Fixes https://github.com/pytorch/pytorch/issues/107050 Pull Request resolved: https://github.com/pytorch/pytorch/pull/107462 Approved by: https://github.com/zou3519