pytorch

84729cef - [Static Runtime] Fix a bug in aten::slice to honor optional arguments (#72530)

[Static Runtime] Fix a bug in aten::slice to honor optional arguments (#72530) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/72530 This bug was revealed from a failed attempt to run a feed/story model. Test Plan: - This fix was tested to successfully run the failed model: P479037453 - Added a unittest Reviewed By: mikeiovine Differential Revision: D34055801 fbshipit-source-id: 4a3e06bbb3b9fa78b0514c9c67aa4a0b79f46a8d (cherry picked from commit bfa2bfb81ceaadad399522e422863fcea4aa13f1)