message: [c_cfg_builder] Fix test
diff: @@ -662,7 +662,6 @@ impl<'a> CCFGDataMap<'a> {
  struct CCFGBuilderVerifier {}
  -// type Verifier = Fn(SSARef, &mut CCFG, &mut CCFGDataMap) -> Result<(), String>;
  impl CCFGBuilderVerifier {
  const DELIM: &'static str = "; ";
  @@ -799,7 +798,7 @@ impl CCFGDataMapVerifier {
  let ret = if let Some(s) = strings.get(&tmp_val) {
  format!("\"{}\"", s)
  } else {
  - tmp_val.to_string()
  + format!("0x{:x}", tmp_val)
  };
  Some(ret)
  } else {
  @@ -920,7 +919,7 @@ impl CCFGDataMapVerifier {
  .take(2)
  .collect();
  // Erase the key so as to ensure whether the key will be correctly inserted
  - // by handle_binop
  + // by handle
  datamap.var_map.remove(&node);
  datamap.handle(node, operand_nodes, expr, cfg);
  if datamap.var_map.get(&node).is_none() {
  