tests/ui/borrowck/issue-31287-drop-in-guard.rs

fn main() {
    let a = Some("...".to_owned());
    let b = match a {
        Some(_) if { drop(a); false } => None,
        x => x, //~ ERROR use of moved value: `a`
    };

    let a = Some("...".to_owned());
    let b = match a {
        Some(_) if let Some(()) = { drop(a); None } => None,
        x => x, //~ ERROR use of moved value: `a`
    };
}