Prevent DCE'ing unbacked SymInt for view outputs (#119552)
Fixes https://github.com/pytorch/pytorch/issues/119414
Signed-off-by: Edward Z. Yang <ezyang@meta.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/119552
Approved by: https://github.com/Skylion007, https://github.com/eellison
