Change a check in DenseRange: on the one hand, going from -5 to 3 with step of 1 makes perfect sense, on the other hand a negative step would cause trouble.
Change a check in DenseRange: on the one hand, going from -5 to 3 with step of 1 makes perfect sense, on the other hand a negative step would cause trouble.

mockingbirdnest/benchmark,mockingbirdnest/benchmark,mockingbirdnest/benchmark,mockingbirdnest/benchmark