[issue39030] Ctypes unions with bitfield members that do not share memory

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[issue39030] Ctypes unions with bitfield members that do not share memory

New submission from dankreso : I've found what looks like a corner case bug. Specifically, the behaviour that looks suspicious is when a ctypes union has bit field members, where the members have bit widths that are smaller than the size types: class BitFieldUnion(Union): _fields_ =