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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Segfault at sweep_line_delete on video playback"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=76272#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Segfault at sweep_line_delete on video playback"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=76272">bug 76272</a>
              from <span class="vcard"><a class="email" href="mailto:rcoe@wi.rr.com" title="rcoe@wi.rr.com">rcoe@wi.rr.com</a>
</span></b>
        <pre>sweep_line_delete is calling sweep_line_delete_edge which is deleting 
an edge from a double linked list without checking for null prev/next. 

As built by _cairo_bentley_ottmann_tessellate_rectangular(), there are
null prev/next pointers in the edge list.</pre>
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