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):

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          var glyphProfile = sanitizeGlyph(
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            newGlyfData,
            writeOffset,
            hintsValid
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          var newLength = glyphProfile.length;
          if (newLength === 0) {
            missingGlyphs[i] = true;
          }
          if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {
            maxSizeOfInstructions = glyphProfile.sizeOfInstructions;
          }
          writeOffset += newLength;
          itemEncode(locaData, j, writeOffset);
        }
        if (writeOffset === 0) {
          
          
          var simpleGlyph = new Uint8Array([
            0,
            1,
            0,
            0,
            0,
            0,
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