{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":".map(|variant_index|"}]}
        .map(|variant_index| {
    let variant_field_infos: SmallVec<VariantFieldInfo<'ll>> = variant_range
            let variant_struct_type_di_node = super::build_coroutine_variant_struct_type_di_node(