ices/78628.sh: fixed with no errors

[github-actions]

Issue: rust-lang/rust#78628

#!/bin/bash

rustc -Zunsound-mir-opts -C opt-level=3 - << EOF
// run-pass

#![allow(dead_code)]

#[derive(Debug)]
enum MyEnum {
    Variant2,
    Variant3,
}

fn f(arg3: bool) -> MyStruct {
    match if arg3 { Some(MyEnum::Variant3) } else { None } {
        Some(t) => {
            let ah = t;
            return MyStruct(Some(ah));
        }
        _ => MyStruct(None)
    }
}

#[derive(Debug)]
struct MyStruct(Option<MyEnum>);

fn main() {
    f(true);
}
EOF

=== stdout ===
=== stderr ===
==============