[StaticRuntime] Clean up

[hlu1]

Summary:

• auto[&] -> const auto[&]
• clean up size() calls

Test Plan:

buck test //caffe2/torch/fb/sparsenn:test
buck test //caffe2/benchmarks/static_runtime:static_runtime_cpptest

Differential Revision: D26747001

[facebook-github-bot]

💊 CI failures summary and remediations

As of commit d44fac3 (more details on the Dr. CI page):

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• 2/3 failures possibly* introduced in this PR
  • 2/2 non-scanned failure(s)
• 1/3 broken upstream at merge base 748285c from Mar 01 until Mar 02

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🚧 1 fixed upstream failure:

These were probably caused by upstream breakages that were already fixed.

Please rebase on the viable/strict branch (expand for instructions)

If your commit is older than viable/strict, run these commands:

git fetch https://github.com/pytorch/pytorch viable/strict
git rebase FETCH_HEAD

• pytorch_linux_xenial_cuda10_2_cudnn7_py3_gcc7_test1 from Mar 01 until Mar 02 (a586c02 - 931100f)
  • 🔁 rerun

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ci.pytorch.org: 1 failed

• Failed: pr/pytorch-linux-bionic-rocm4.0.1-py3.6

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[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D26747001

[facebook-github-bot]

This pull request has been merged in c0b31a5.