primitives: fix effect of (clear-samples)
primitives: fix effect of (clear-samples)

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