{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"(OperandValue::Immediate(v),"}]}
            (OperandValue::Immediate(v), BackendRepr::Scalar(from_scalar)) => match &mut self.val {
            (OperandValue::ZeroSized, _) => unreachable!("Handled above"),
                OperandValueBuilder::Immediate(val @ Either::Right(_)) if is_zero_offset => {