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gh-127119: Remove check on small ints in long_dealloc #127120

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@eendebakpt eendebakpt commented Nov 21, 2024

The python small ints are immortal with a fixed reference count. For that reason these objects can never reach reference count zero and are never deallocated. We can remove the special casing in long_dealloc. For safety we replace it with an assert.

This check was found when adding a freelist for compact ints, see #126865

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Apparently, assertion is broken in tests.

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