kernel: fix stack effect for -rotd.
kernel: fix stack effect for -rotd.

AlexIljin/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,bpollack/factor,tgunr/factor,bpollack/factor,AlexIljin/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,factor/factor,mrjbq7/factor,bpollack/factor,factor/factor,mrjbq7/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,bpollack/factor,AlexIljin/factor,tgunr/factor,tgunr/factor,factor/factor,AlexIljin/factor,mrjbq7/factor,bpollack/factor,tgunr/factor,tgunr/factor,tgunr/factor,factor/factor,factor/factor