pytorch

76e869c9 - [BE] Beef up test_functionalization to test functionalizing multi-parameter functions (#89798)

[BE] Beef up test_functionalization to test functionalizing multi-parameter functions (#89798) Previously, `assert_functionalization` only took in uni-Tensor-parameter functions. This PR beefs up the check to allow for functions that take multiple parameters. This PR also changes the test_instance_norm test to check that the multiparam change works. ## Test plan Locally tested, CI should also pass. Pull Request resolved: https://github.com/pytorch/pytorch/pull/89798 Approved by: https://github.com/samdow