Attach (recommended) or Link to PDF file here:
[test2-3.pdf](https://github.com/mozilla/pdf.js/files/7881930/test2-3.pdf)

Configuration:
- Web browser and its version: Chrome and Version 93.0.4577.63
- Operating system and its version: Ubuntu 20.04.1 LTS
- PDF.js version: v2.12.313
- Is a browser extension: No

What is the expected behavior? 
![Screenshot from 2022-01-17 18-21-02](https://user-images.githubusercontent.com/29357161/149772453-5906d92a-7cf5-458f-8315-695d78aa9674.png)


What went wrong? 
![Screenshot from 2022-01-17 18-20-24](https://user-images.githubusercontent.com/29357161/149772465-07dd71ef-5d41-42c9-8b13-466f8eee116a.png)


Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):
https://mozilla.github.io/pdf.js/web/viewer.html

return; 
                  }
                }
                if (token === "def") {
                  break; 
                }
                const index = this.readInt();
                this.getToken(); 
                const glyph = this.getToken();
                encoding[index] = glyph;
                this.getToken(); 
              }
            }
            properties.builtInEncoding = encoding;
            break;
          case "FontBBox":
            const fontBBox = this.readNumberArray();
            
            properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
            properties.descent = Math.min(fontBBox[1], fontBBox[3]);
            properties.ascentScaled = true;
            break;
        }
      }
    }
  }
  return Type1Parser;
})();
export { Type1Parser };