(lldb) up 5

openttd was compiled with optimization - stepping may behave oddly; variables may not be available.

frame #5: 0x000000010014b185 openttd`RoadVehicle::GetMaxTrackSpeed(this=<unavailable>) const at roadveh.h:278:10 [opt]

   275       */

   276      inline uint16 GetMaxTrackSpeed() const

   277      {

-> 278          return GetRoadTypeInfo(GetRoadType(this->tile, GetRoadTramType(this->roadtype)))->max_speed;

   279      }

   280  

   281      /**

(lldb) print this->roadtype

error: warning: Stopped in a C++ method, but 'this' isn't available; pretending we are in a generic context

error: invalid use of 'this' outside of a non-static member function