5 s[0] = 0 // MATCH /index out of bounds/
10 s[2] = 0 // MATCH /index out of bounds/
15 s[0] = 0 // MATCH /index out of bounds/
18 s[2] = 0 // MATCH /index out of bounds/
27 s[3] = 0 // MATCH /index out of bounds/
36 s[2] = 0 // MATCH /index out of bounds/
41 fn(s[2]) // MATCH /index out of bounds/
46 s[0] = 1 // MATCH /index out of bounds/
63 println() // make it unpure