pytorch

97e86cf3 - [Fix] Raise error when empty index tensor is passed (gather) (#65006)

[Fix] Raise error when empty index tensor is passed (gather) (#65006) Summary: See https://github.com/pytorch/pytorch/pull/63312#issuecomment-919330081 for context. cc: ezyang ysiraichi Pull Request resolved: https://github.com/pytorch/pytorch/pull/65006 Reviewed By: mruberry Differential Revision: D30937730 Pulled By: ezyang fbshipit-source-id: a8f77b1f40d07e7e3bef6caaafa119685f297638