[PyTorch] Remove unnecessary shared_ptr copies in ThreadLocalDebugInfo::get

[swolchok]

Stack from ghstack:

• [PyTorch] Remove unnecessary shared_ptr copies in ThreadLocalDebugInfo::get #47791 [PyTorch] Remove unnecessary shared_ptr copies in ThreadLocalDebugInfo::get

debug_info is thread_local and this function is a leaf, so nobody else could free it out from under us. Regular pointer should be fine.

Differential Revision: D24901749

NOTE FOR REVIEWERS: This PR has internal Facebook specific changes or comments, please review them on Phabricator!

[dr-ci]

💊 CI failures summary and remediations

As of commit c9188c1 (more details on the Dr. CI page):

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• 1/3 failures possibly* introduced in this PR
  • 1/1 non-CircleCI failure(s)
• 2/3 broken upstream at merge base 5647f0c on Nov 11 from 12:30am to 11:54am PDT (12 commits; 0650a61 - dac0192)

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🚧 2 fixed upstream failures:

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 newer than viable/strict, you can try basing on an older, stable commit:

git fetch https://github.com/pytorch/pytorch viable/strict
git rebase --onto FETCH_HEAD $(git merge-base origin/master HEAD)

If your commit is older than viable/strict:

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

Check out the recency history of this "viable master" tracking branch.

• pytorch_linux_xenial_cuda10_2_cudnn7_py3_gcc7_test1 on Nov 11 from 12:30am to 11:54am PDT (12 commits; 0650a61 - dac0192)
  • 🔁 rerun
• pytorch_linux_xenial_cuda10_2_cudnn7_py3_gcc7_test2 on Nov 11 from 12:30am to 11:54am PDT (12 commits; 0650a61 - dac0192)
  • 🔁 rerun

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ci.pytorch.org: 1 failed

• Failed: pr/pytorch-linux-bionic-rocm3.9-py3.6

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This comment has been revised 3 times.

[facebook-github-bot]

This pull request has been merged in 1aeac97.