{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"debug!(\"Operand::immediate_or_packed_pair:"}]}
            debug!("Operand::immediate_or_packed_pair: packing {:?} into {:?}", self, llty);
            let llty = bx.cx().immediate_backend_type(self.layout);
            // Reconstruct the immediate aggregate.