{"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"self.dcx().emit_err(FieldMultiplySpecifiedInInitializer"}]}
                    self.dcx().emit_err(FieldMultiplySpecifiedInInitializer {
                let guar = if let Some(prev_span) = seen_fields.get(&ident) {
                        span: field.ident.span,