merkle: logging for base recursion failure
merkle: logging for base recursion failure

google/trillian,RJPercival/trillian,gdbelvin/trillian,google/trillian,Martin2112/trillian,gdbelvin/trillian,daviddrysdale/trillian,daviddrysdale/trillian,AlCutter/trillian,daviddrysdale/trillian,AlCutter/trillian,RJPercival/trillian,gdbelvin/trillian,Martin2112/trillian,Martin2112/trillian