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):

switch (type) {
    case "Type1":
      return subtype === "Type1C" ? FontType.TYPE1C : FontType.TYPE1;
    case "CIDFontType0":
      return subtype === "CIDFontType0C"
        ? FontType.CIDFONTTYPE0C
        : FontType.CIDFONTTYPE0;
    case "OpenType":
      return FontType.OPENTYPE;
    case "TrueType":
      return FontType.TRUETYPE;
    case "CIDFontType2":
      return FontType.CIDFONTTYPE2;
    case "MMType1":
      return FontType.MMTYPE1;
    case "Type0":
      return FontType.TYPE0;
    default:
      return FontType.UNKNOWN;
  }
}
function recoverGlyphName(name, glyphsUnicodeMap) {