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

if (content.length > 1) {
        
        let newLength = 0;
        let j, jj;
        for (j = 0, jj = content.length; j < jj; j++) {
          newLength += content[j].length;
        }
        newLength = (newLength + 3) & ~3;
        const result = new Uint8Array(newLength);
        let pos = 0;
        for (j = 0, jj = content.length; j < jj; j++) {
          result.set(content[j], pos);
          pos += content[j].length;
        }
        table.data = result;
        table.length = newLength;
      }
    }
    function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {