It's just a part of the comp negotiation, the same as a starting bonus. It's not a rollover from the old job and it's irrelevant if you got paid out for it there.
Lots of companies have mechanisms to let employees go into "vacation debt" of 1-2 weeks when needed. Asking to take vacation may cost them exactly zero, since they're going to pay you those days eventually anyway.
Lots of companies have mechanisms to let employees go into "vacation debt" of 1-2 weeks when needed. Asking to take vacation may cost them exactly zero, since they're going to pay you those days eventually anyway.