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GH-117283: Add doc warning for PyTuple_SetItem refcount > 1 (#117916)

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Savannah Ostrowski 2024-05-27 05:20:28 -07:00 committed by GitHub
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@ -105,6 +105,12 @@ Tuple Objects
is being replaced; any reference in the tuple at position *pos* will be
leaked.
.. warning::
This macro should *only* be used on tuples that are newly created.
Using this macro on a tuple that is already in use (or in other words, has
a refcount > 1) could lead to undefined behavior.
.. c:function:: int _PyTuple_Resize(PyObject **p, Py_ssize_t newsize)