Method jump

crates/vm/src/frame.rs:6873–6877

(&mut self, label: bytecode::Label)

    #[inline]
    fn jump(&mut self, label: bytecode::Label) {
        let target_pc = label.as_u32();
        vm_trace!("jump from {:?} to {:?}", self.lasti(), target_pc);
        self.update_lasti(|i| *i = target_pc);
    }

    /// Jump forward by `delta` code units from after instruction + caches.
    /// lasti is already at instruction_index + 1, so after = lasti + caches.