{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"debug!(\"Operand::from_immediate_or_packed_pair:"}]}
            debug!("Operand::from_immediate_or_packed_pair: unpacking {:?} @ {:?}", llval, layout);
        let val = if let BackendRepr::ScalarPair(..) = layout.backend_repr {