pytorch

f4e96df6 - [export] Preserve shape dynamism for unused inputs. (#109239)

[export] Preserve shape dynamism for unused inputs. (#109239) Summary: Test Plan: Reviewers: Subscribers: Tasks: Tags: Fixes #ISSUE_NUMBER Pull Request resolved: https://github.com/pytorch/pytorch/pull/109239 Approved by: https://github.com/ydwu4