vm: no-op reallot_array with same size, for real
vm: no-op reallot_array with same size, for real

bjourne/factor,tgunr/factor,bpollack/factor,slavapestov/factor,slavapestov/factor,bpollack/factor,bjourne/factor,AlexIljin/factor,mrjbq7/factor,factor/factor,nicolas-p/factor,AlexIljin/factor,tgunr/factor,factor/factor,mrjbq7/factor,slavapestov/factor,dch/factor,dch/factor,mrjbq7/factor,sarvex/factor-lang,dch/factor,dch/factor,sarvex/factor-lang,dch/factor,tgunr/factor,bjourne/factor,nicolas-p/factor,AlexIljin/factor,bjourne/factor,dch/factor,mrjbq7/factor,mrjbq7/factor,nicolas-p/factor,factor/factor,tgunr/factor,tgunr/factor,AlexIljin/factor,bpollack/factor,nicolas-p/factor,bjourne/factor,bjourne/factor,AlexIljin/factor,slavapestov/factor,slavapestov/factor,slavapestov/factor,sarvex/factor-lang,mrjbq7/factor,AlexIljin/factor,AlexIljin/factor,slavapestov/factor,sarvex/factor-lang,tgunr/factor,sarvex/factor-lang,bpollack/factor,nicolas-p/factor,bpollack/factor,sarvex/factor-lang,bpollack/factor,factor/factor,nicolas-p/factor,nicolas-p/factor,factor/factor,factor/factor,bjourne/factor,bpollack/factor,sarvex/factor-lang