{"ast_node_type":"variable","tokens":[{"end":68,"kind":"keyword","start":0,"text":"if"}]}
    if let Some((overridden_link_name, overridden_link_name_span)) =
fn name_of_extern_decl(tcx: TyCtxt<'_>, fi: hir::OwnerId) -> SymbolName {
        tcx.codegen_fn_attrs(fi).link_name.map(|overridden_link_name| {