Attach (recommended) or Link to PDF file here:
https://www.nta.go.jp/taxes/tetsuzuki/shinsei/annai/joyaku/annai/pdf2/250.pdf

Configuration:
- Web browser and its version: Firefox 81.0a1
- Operating system and its version: Debian 5.6.7-1
- PDF.js version: latest in Firefox nightly
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the pdf and paste the following text "本 店 又 は 主 た る 事 務 所 の 所 在 地" in "Full name" and in "Domicile and residence" textfields
2. Print or Save the pdf 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207547-30f05480-e709-11ea-9abd-2af5d970dc46.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/91207663-69902e00-e709-11ea-8a1d-1ddd30cf0621.png)

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

"The numOfMetrics (" +
              numOfMetrics +
              ") should not be " +
              "greater than the numGlyphs (" +
              numGlyphs +
              ")"
          );
          
          numOfMetrics = numGlyphs;
          header.data[34] = (numOfMetrics & 0xff00) >> 8;
          header.data[35] = numOfMetrics & 0x00ff;
        }
        var numOfSidebearings = numGlyphs - numOfMetrics;
        var numMissing =
          numOfSidebearings - ((metrics.length - numOfMetrics * 4) >> 1);
        if (numMissing > 0) {
          
          
          
          var entries = new Uint8Array(metrics.length + numMissing * 2);
          entries.set(metrics.data);
          if (dupFirstEntry) {
            
            entries[metrics.length] = metrics.data[2];
            entries[metrics.length + 1] = metrics.data[3];
          }
          metrics.data = entries;
        }
      }
      function sanitizeGlyph(