Method update_lasti

crates/vm/src/frame.rs:1373–1377

(&mut self, f: impl FnOnce(&mut u32))

    #[inline(always)]
    fn update_lasti(&mut self, f: impl FnOnce(&mut u32)) {
        let mut val = self.lasti.load(Relaxed);
        f(&mut val);
        self.lasti.store(val, Relaxed);
    }

    #[inline(always)]
    fn lasti(&self) -> u32 {