Build size_test binaries with debug info

[swolchok]

The CI workflow already runs strip before checking size, so this shouldn't break it (and we'll see if it does on this PR). Having debug info makes it much easier to investigate issues with bloaty.

[swolchok]

Stack from ghstack (oldest at bottom):

• outline input validation in elementwise_util #12031
• Specialize BroadcastIndexesRange for the case where there is only 1 contiguous input #12023
• -> Build size_test binaries with debug info #12019
• Detect release builds by comparing CMAKE_BUILD_TYPE to Debug, not Release #12045
• Show output of the size command in size test scripts #12018
• Unbreak build_size_test.sh (-Wvla-cxx-extension) on my local machine #12017

[pytorch-bot]

🔗 Helpful Links

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❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

• VolumeLimitExceeded Issue for linux.2xlarge and linux.4xlarge

❌ 2 New Failures

As of commit 8782fb2 with merge base 8bc99d3 ():

NEW FAILURES - The following jobs have failed:

• pull / test-binary-size-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 9704809205dd0f29a92b6b7c84b453bb58e603446e560ca95a23d30f926a9c59 /exec failed with exit code 1
• pull / test-binary-size-linux-gcc / linux-job (gh)
  RuntimeError: Command docker exec -t 1a25caf0f309b332866856a9c53de3767ffd82c57698b8fd9268b958771dc809 /exec failed with exit code 1

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[swolchok]

looks like we need to run strip -s

[swolchok]

this one looks like a can of worms and the benefit for the cost isn't there. abandoning.