pytorch

e3d64c4d - [dynamo] Desugar accumulate_grad, fix .grad handling (#120590)

[dynamo] Desugar accumulate_grad, fix .grad handling (#120590) Fixes https://github.com/pytorch/pytorch/issues/118435 Fixes https://github.com/pytorch/pytorch/issues/119906 Pull Request resolved: https://github.com/pytorch/pytorch/pull/120590 Approved by: https://github.com/ezyang, https://github.com/jansel ghstack dependencies: #120520