pytorch

b6a3176c - Cat shape analysis fix for -1 dim (#72678)

Cat shape analysis fix for -1 dim (#72678) ghstack-source-id: b4e1e8b74889653d70b6111de71797c2e10f347d Pull Request resolved: https://github.com/pytorch/pytorch/pull/72616 Co-authored-by: Elias Ellison <eellison@devfair044.h1.fair>