{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.sess.dcx().emit_err(RemoveExprNotSupported"}]}
            self.sess.dcx().emit_err(RemoveExprNotSupported { span: attr.span });
        if let Some(attr) = expr.attrs().iter().find(|a| is_cfg(a)) {
        }