Do not cache the position. This fixes edge detection problem.
Do not cache the position. This fixes edge detection problem.

mcanthony/jit,tim777z/jit,shelsonjava/jit,pingjiang/jit,pingjiang/jit,mcanthony/jit,shelsonjava/jit,philogb/jit,pingjiang/jit,shzy2012/jit,shelsonjava/jit,mcanthony/jit,printedheart/jit,shzy2012/jit,tim777z/jit,printedheart/jit,shzy2012/jit,tim777z/jit,philogb/jit,printedheart/jit