Link to PDF file (or attach file here):
[pages4.pdf](https://github.com/mozilla/pdf.js/files/1128300/pages4.pdf)

Configuration:
- Web browser and its version: Firefox 54
- Operating system and its version: Win 10
- PDF.js version: 1.8.522
- Is an extension: no

What is the expected behavior? (add screenshot)
![chrome1-1 1](https://user-images.githubusercontent.com/146436/27918380-2f74512a-6245-11e7-8525-d0038fa6c2e8.jpg)
![chrome1-2 1](https://user-images.githubusercontent.com/146436/27918425-54f8e47e-6245-11e7-9bff-127f79ad0511.jpg)


What went wrong? (add screenshot)
![screenshot from 2017-07-06 12-10-30](https://user-images.githubusercontent.com/146436/27918442-5d57624e-6245-11e7-9436-5ba31cc8bd1a.png)
![screenshot from 2017-07-06 12-10-44](https://user-images.githubusercontent.com/146436/27918454-63b486da-6245-11e7-9eb5-c03aa5c40943.png)



consumePath = typeof consumePath !== "undefined" ? consumePath : true;
    const ctx = this.ctx;
    const fillColor = this.current.fillColor;
    const isPatternFill = this.current.patternFill;
    let needRestore = false;
    if (isPatternFill) {
      ctx.save();
      ctx.fillStyle = fillColor.getPattern(
        ctx,
        this,
        ctx.mozCurrentTransformInverse
      );
      needRestore = true;
    }
    if (this.contentVisible) {
      if (this.pendingEOFill) {
        ctx.fill("evenodd");
        this.pendingEOFill = false;
      } else {
        ctx.fill();
      }
    }
    if (needRestore) {
      ctx.restore();
    }
    if (consumePath) {
      this.consumePath();
    }
  }
  eoFill() {