[Static Runtime] Disable SigridTransform + ListUnpack fusion when outputs reachable from graph output (#62697)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/62697
Reviewed By: hlu1
Differential Revision: D29979402
fbshipit-source-id: 913e8396a0530ce3617211112a2b1147ef2e9df9
