// vtest vflags: -cstrict -cc clang

struct Object {
mut:
    context bool
}

fn (mut o Object) f(x int) int {
    match x {
        0 {
            old := o.context
            defer(fn) {
                o.context = old
            }
            o.context = true
        }
        1 {
            return 123
        }
        else {}
    }

    return 42
}

fn main() {
    mut o := Object{}
    println('${o.f(0)} ${o.context}')
    println('${o.f(1)} ${o.context}')
    println('${o.f(2)} ${o.context}')
}