Link to PDF file (or attach file here):
[RP_25884_V2_UEL Semi Finals 2016-17_concepts.pdf](https://github.com/mozilla/pdf.js/files/994423/RP_25884_V2_UEL.Semi.Finals.2016-17_concepts.pdf)

Configuration:
- Web browser and its version: Chrome 58, Firefox 53
- Operating system and its version: MacOS 10.11.6
- PDF.js version:
- Is an extension: No

Steps to reproduce the problem:
1.  View the file the file


What is the expected behavior? (add screenshot)
<img width="560" alt="screen shot 2017-05-11 at 2 06 36 pm" src="https://cloud.githubusercontent.com/assets/2474027/25971992/189f4ebe-3653-11e7-8847-c9011984cb8d.png">

What went wrong? (add screenshot)
Textlayer exists here but font fails to render. No warning in the console from what I can see. Maybe related to the gradient?

<img width="637" alt="screen shot 2017-05-11 at 2 06 20 pm" src="https://cloud.githubusercontent.com/assets/2474027/25971997/1b518cc6-3653-11e7-96c0-9a03ffcb7d6e.png">

Thanks!
if (!this.contentVisible) {
      return;
    }
    const ctx = this.ctx;
    const width = img.width,
      height = img.height;
    const glyph = this.processingType3;
    if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
      if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
        glyph.compiled = compileType3Glyph({ data: img.data, width, height });
      } else {
        glyph.compiled = null;
      }
    }
    if (glyph?.compiled) {
      glyph.compiled(ctx);
      return;
    }
    const mask = this._createMaskCanvas(img);
    const maskCanvas = mask.canvas;
    ctx.save();
    
    
    ctx.setTransform(1, 0, 0, 1, 0, 0);
    ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
    ctx.restore();
  }
  paintImageMaskXObjectRepeat(