[expected_return_code]
30

[code]
fn main() -> i32 {
    let a = 10;
    let b: i32 = 20;
    let c = a + b;
    {
        // Shadow 'a' and 'c' in a new scope
        let a = 5;
        let c = a + b;
    }
    return c; // Should return 30, not 25, because the inner 'c' is dropped
}