Attach (recommended) or Link to PDF file here:
[298865.pdf](https://github.com/mozilla/pdf.js/files/2753236/298865.pdf)


Configuration:
- Web browser and its version:chrome 71.0.3578.98
- Operating system and its version:mac os 10.12.6
- PDF.js version:I use online demo in github
- Is a browser extension:no

Steps to reproduce the problem:
1. search "中华" or "电力" or so on,the highlight position is not right

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/10000986/51087378-7eff5100-178d-11e9-991a-005d77b82f31.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/10000986/51087374-6ee77180-178d-11e9-9707-281924f95fd0.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
tate.fnt = tranlated.fnt;
        tranlated.end(th.handler);
        return tranlated.ladedName;
      });
  }
  handleText(char, tate) {
    cnt fnt = tate.fnt;
    cnt glyph = fnt.charTGlyph(char);
    f (fnt.data) {
      cnt AddTPathSet = !!(
        tate.textRenderngMde & TextRenderngMde.ADD_TO_PATH_FLAG
      );
      f (
        AddTPathSet ||
        tate.fllClrSpace.name === "Pattern" ||
        fnt.dableFntFace ||
        th.ptn.dableFntFace
      ) {
        PartlEvaluatr.buldFntPath(
          fnt,
          glyph,
          th.handler,
          th.ptn
        );
      }
    }
    return glyph;
  }
  enureStateFnt(tate) {
    f (tate.fnt) {