[nnc] Concat input shapes must be known to fuse (#58974)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58974
I don't know how we overlooked this for so long...
ghstack-source-id: 129932134
Test Plan:
Predictor test of model 184778294_0 using multiple request replay
threads. It's not clear to me why multithreading matters, except that perhaps
it makes it easier to get an unknown shape in the profile.
Reviewed By: navahgar
Differential Revision: D28702660
fbshipit-source-id: 565550b1d2e571d62d0c8b21150193f2a7ace334
