[vankudothuadhinaik]

Ensure free-threaded GC accounts for f_funcobj references held by running interpreter frames. Without this, a running method can be collected after its class-dictionary reference is removed.

Add a regression test covering collection during method execution.

Validation on a Py_DEBUG free-threaded build:

• Focused regression: 1 passed.
• Free-threaded GC module: 8 passed.
• Full test_free_threading package: 267 passed, 1 skipped.
• Focused refleak repetition: passed through six repetitions.
• make -j2 and git diff --check passed.
• Native macOS validation was not performed.

Fixes gh-160682.

[bedevere-app]

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[bedevere-app]

Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

[miss-islington-app]

Thanks @vankudothuadhinaik for the PR, and @kumaraditya303 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14, 3.15.
🐍🍒⛏🤖 I'm not a witch! I'm not a witch!

[miss-islington-app]

Sorry, @vankudothuadhinaik and @kumaraditya303, I could not cleanly backport this to 3.15 due to a conflict.

Please backport manually with cherry_picker, see the devguide for more information.

cherry_picker b3683c0ffdbed7e055b4b3196775eabae3d6f671 3.15

[miss-islington-app]

Sorry, @vankudothuadhinaik and @kumaraditya303, I could not cleanly backport this to 3.14 due to a conflict.

Please backport manually with cherry_picker, see the devguide for more information.

cherry_picker b3683c0ffdbed7e055b4b3196775eabae3d6f671 3.14