{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"self.sess.dcx().emit_err(errors::ForbiddenBound"}]}
                self.sess.dcx().emit_err(errors::ForbiddenBound { spans });
                let spans: Vec<_> = param.bounds.iter().map(|b| b.span()).collect();
            }