Variable 'C.f(uint256).i' in C.f(uint256) potentially used before declaration: i --

Variable 'C.f(uint256).i' in C.f(uint256) potentially used before declaration: x += i

Variable 'C.f(uint256).i' in C.f(uint256) potentially used before declaration: i > 0

Variable 'C.f(uint256).i' in C.f(uint256) potentially used before declaration: i = 10

Variable 'C.f(uint256).x' in C.f(uint256) potentially used before declaration: y = x + 9 + z

