{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"assert!(val.get()"}]}
            assert!(val.get() > u8::MAX.into()); // must be an error
        Ok(LitKind::Int(val, LitIntType::Unsuffixed | LitIntType::Unsigned(UintTy::U8))) => {
            dcx.emit_err(ConcatBytesOob { span })