pytorch

7b9ca54e - Reset checkpoint_valid flag when error happens during function execution (#51746)

Reset checkpoint_valid flag when error happens during function execution (#51746) Summary: Fixes https://github.com/pytorch/pytorch/issues/37874, https://github.com/pytorch/pytorch/issues/51743 Uses RAII to manage the flag so that it gets reset properly on exception Pull Request resolved: https://github.com/pytorch/pytorch/pull/51746 Reviewed By: izdeby Differential Revision: D26319619 Pulled By: soulitzer fbshipit-source-id: ea1235438ba516f99195c83fa23d5880f9977c93