<html>
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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - ASSERTION FAILED: hasFace(face) at CSSFontFaceSet.cpp(439) loading article on vox.com"
   href="https://bugs.webkit.org/show_bug.cgi?id=155717">155717</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ASSERTION FAILED: hasFace(face) at CSSFontFaceSet.cpp(439) loading article on vox.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>CSS
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>mcatanzaro&#64;igalia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=274593" name="attach_274593" title="Backtrace">attachment 274593</a> <a href="attachment.cgi?id=274593&amp;action=edit" title="Backtrace">[details]</a></span>
Backtrace

I hit this assertion:

ASSERTION FAILED: hasFace(face)
../../Source/WebCore/css/CSSFontFaceSet.cpp(439) : virtual void WebCore::CSSFontFaceSet::fontStateChanged(WebCore::CSSFontFace&amp;, WebCore::CSSFontFace::Status, WebCore::CSSFontFace::Status)

When loading this web page:

<a href="http://www.vox.com/2016/3/21/11265114/black-voters-midwest-south-sanders">http://www.vox.com/2016/3/21/11265114/black-voters-midwest-south-sanders</a>

On the GTK port, with WebKit trunk. Full backtrace attached.</pre>
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