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[3.11] gh-99952: [ctypes] fix refcount issues in from_param() result. (GH-100169)
Fixes a reference counting issue with `ctypes.Structure` when a `from_param()` method call is used and the structure size is larger than a C pointer `sizeof(void*)`.
This problem existed for a very long time, but became more apparent in 3.8+ by change likely due to garbage collection cleanup timing changes..
(cherry picked from commit dfad678d70)
Co-authored-by: Yukihiro Nakadaira <yukihiro.nakadaira@gmail.com>
Source files for standard library extension modules, and former extension modules that are now builtin modules.