{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"(OperandValue::Pair(a_llval,"}]}
                (OperandValue::Pair(a_llval, b_llval), BackendRepr::ScalarPair(a, b)) => {
                // Extract a scalar component from a pair.
                    if offset.bytes() == 0 {