{"ast_node_type":"other","tokens":[{"end":16,"kind":"keyword","start":0,"text":"}"}]}
        } else {
            diag.span_note(self.expr_span.to(self.fru_span), fluent::hir_typeck_fru_note);
            let mut multispan: MultiSpan = vec![self.expr_span, self.fru_span].into();