// MIR for `arrays` after built

fn arrays() -> usize {
    let mut _0: usize;
    let mut _1: [i32; C];
    let mut _2: usize;

    bb0: {
        _1 = [const 5_i32; C];
        _2 = Len(_1);
        _0 = _2;
        return;
    }
}