{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"BackendRepr::ScalarPair(s1,"}]}
            BackendRepr::ScalarPair(s1, s2) => {
            // May have some padding between the pair.
                let field2_offset = s1.size(cx).align_to(s2.align(cx).abi);