{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::UnderscoreLiteralSuffix"}]}
                            self.dcx().emit_err(errors::UnderscoreLiteralSuffix {
                        if string == "_" {
                                span: self.mk_sp(suffix_start, self.pos),