functionalization: fix x.is_contiguous(channels_last)

[bdhirsh]

Stack from ghstack (oldest at bottom):

• [IGNORE, not used] functionalization: support preserving (simple) input mutations #93994
• turn functionalization on in aot_autograd inference #92857
• -> functionalization: fix x.is_contiguous(channels_last) #94195
• fix functionalization resize stride compute #94018
• add torch.autograd._unsafe_set_version_counter API #92924

[pytorch-bot]

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[bdhirsh]

@pytorchbot merge

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Merge failed

Reason: 1 mandatory check(s) failed (Rule superuser). The first few are:

• pull / linux-focal-rocm5.4.2-py3.8 / build

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[bdhirsh]

@pytorchbot merge -f "existing test is failing on trunk"

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[pytorchmergebot]

Merge failed

Reason: Command git -C /home/runner/work/pytorch/pytorch cherry-pick -x 8aae9f08884e483ef636c96c3de32707733ef649 returned non-zero exit code 1

Auto-merging torch/autograd/grad_mode.py
CONFLICT (content): Merge conflict in torch/autograd/grad_mode.py
error: could not apply 8aae9f08884... add torch.autograd._unsafe_decrement_version_counter API
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".

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[bdhirsh]

@pytorchbot merge

[pytorchmergebot]

Merge started

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