Why does the Viterbi IP core output incorrect data when sink_val signal is not constantly driven high?

Description

Due to a problem with the Intel® Quartus® Prime software version 16.0 and 16.1, you may encounter the above problem if the sink_val signal of the Viterbi IP core is not constantly driven high.

Resolution

This problem has been fixed in the Intel Quartus Prime software version 17.0.