{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
                let val = read_scalar(offset, size, s, bx.immediate_backend_type(layout));
                assert_eq!(size, layout.size, "abi::Scalar size does not match layout size");
                OperandRef { val: OperandValue::Immediate(val), layout }