Attach (recommended) or Link to PDF file here:
[test.pdf](https://github.com/mozilla/pdf.js/files/6715502/test.pdf)

Configuration:
- Web browser and its version: Google Chrome Version 91.0.4472.114 
- Operating system and its version: Windows 10 Enterprise
- PDF.js version: 
- Is a browser extension: yes

Steps to reproduce the problem:
1. download file
2. open file



What is the expected behavior? (add screenshot)
show symbol
![image](https://user-images.githubusercontent.com/50500976/123409847-55ca8800-d5b7-11eb-9e5b-c7f3b33c00e1.png)

What went wrong? (add screenshot)
Does not show symbol
![image](https://user-images.githubusercontent.com/50500976/123409707-274cad00-d5b7-11eb-9a64-b11dcf3cdc3f.png)
Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension): Latest Version Chrome extension

header31012 +
    format31012
  );
}
function validateOS2Table(os2, file) {
  file.pos = (file.start || 0) + os2.offset;
  const version = file.getUint16();
  
  
  file.skip(60); 
  const selection = file.getUint16();
  if (version < 4 && selection & 0x0300) {
    return false;
  }
  const firstChar = file.getUint16();
  const lastChar = file.getUint16();
  if (firstChar > lastChar) {
    return false;
  }
  file.skip(6); 
  const usWinAscent = file.getUint16();
  if (usWinAscent === 0) {
    
    return false;
  }
  
  os2.data[8] = os2.data[9] = 0; 
  return true;
}
function createOS2Table(properties, charstrings, override) {