PDFs from lumileds.com do not load with PDF.js. Part of the background loads, then only the spinner continues while using 100% CPU. 

An example pdf is http://www.lumileds.com/uploads/17/DS61-pdf 

This behaviour occurs with both the release version of pdf.js in firefox 41.0.2 and the latest .xpi downloaded from this github page.

const ctx = this.ctx;
    const current = this.current;
    const font = current.font;
    const fontSize = current.fontSize;
    const fontDirection = current.fontDirection;
    const spacingDir = font.vertical ? 1 : -1;
    const charSpacing = current.charSpacing;
    const wordSpacing = current.wordSpacing;
    const textHScale = current.textHScale * fontDirection;
    const fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
    const glyphsLength = glyphs.length;
    const isTextInvisible =
      current.textRenderingMode === TextRenderingMode.INVISIBLE;
    let i, glyph, width, spacingLength;
    if (isTextInvisible || fontSize === 0) {
      return;
    }
    this._cachedGetSinglePixelWidth = null;
    ctx.save();
    ctx.transform.apply(ctx, current.textMatrix);
    ctx.translate(current.x, current.y);
    ctx.scale(textHScale, fontDirection);
    for (i = 0; i < glyphsLength; ++i) {
      glyph = glyphs[i];