pytorch

3577ff63 - [FSDP] Fix `no_sync()` + `FULL_SHARD` root all-gather behavior

[FSDP] Fix `no_sync()` + `FULL_SHARD` root all-gather behavior Pull Request resolved: https://github.com/pytorch/pytorch/pull/75901 Approved by: https://github.com/zhaojuanmao, https://github.com/rohan-varma