{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
                // FIXME(cjgillot) this SyntaxContext manipulation does not make any sense.
                let ident_span = tcx.def_ident_span(item.def_id);
                ident_span.map(|s| s.with_ctxt(span.ctxt())).unwrap_or(span)