\brief Log a particular data-type propagation action. Print the Varnode updated, the new data-type it contains, and where the data-type propagated from. \param glb is the Architecture holding the error console \param vn is the target Varnode \param newtype is the new data-type \param op is the PcodeOp through which the data-type propagated \param slot is the slot from which the data-type propagat
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