bpo-31217: Fix regrtest -R for small integer by vstinner · Pull Request #3258

bpo-31217: Fix regrtest -R for small integer by vstinner · Pull Request #3258 · python/cpython

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Workaround a complex bug in regrtest when hunting reference leaks.
Add a maybe_small_long() function to try to get int singletons to
prevent false alarm on memory block leaks.

https://bugs.python.org/issue31217

Workaround a complex bug in regrtest when hunting reference leaks.
Add a maybe_small_long() function to try to get int singletons to
prevent false alarm on memory block leaks.

		# bpo-31217: On CPython, x_sub() of longobject.c doesn't try to use int
		# singletons. Try to get singletons to prevent false alarms on memory block
		# leaks.
		return int(str(x))

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Rather than rely on small int singletons, I think an explicit pool would be less implementation-dependent.

Abandonned in favor of the PR #3260.

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