File: issue-80309.rs

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//@ run-pass
//@ compile-flags: -O

// Regression test for issue #80309

pub unsafe fn foo(x: *const i8) -> i8 {
    *x.wrapping_sub(x as _).wrapping_add(x as _)
}

fn main() {
    let x = 42;
    println!("{}", unsafe { foo(&x) });
}