{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"self.dcx().emit_err(errors::FloatLiteralUnsupportedBase"}]}
                        self.dcx().emit_err(errors::FloatLiteralUnsupportedBase { span, base });
                    let guar =
                    kind = token::Err(guar)