pytorch

a50fe978 - [LTC] Make even more LazyGraphExecutor interfaces virtual (#90650)

[LTC] Make even more LazyGraphExecutor interfaces virtual (#90650) Summary: This patch makes the following interfaces virtual for XLA to adopt: 1. LazyGraphExecutor::Async. 2. TensorCollectionBarrier 3. SyncLiveTensorsGraph It's related to https://github.com/pytorch/xla/pull/4314. Test Plan: CI. Pull Request resolved: https://github.com/pytorch/pytorch/pull/90650 Approved by: https://github.com/wconstab