message: remove toascii
diff: @@ -85,7 +85,7 @@ static std::string ToValueString(const BinaryRegion &region,
  // Interpet each value as a ASCII to aid debugging
  for (uint64_t i = 0; i < region.array_length; ++i) {
  const uint8_t c = *(binary + region.offset + i);
  - s += isprint(c) ? toascii(c) : '.';
  + s += isprint(c) ? static_cast<char>(c & 0x7F) : '.';
  }
  return s;
  } else if (region.type == BinaryRegionType::Char) {
  