Ticket #9513: self-intersecting.osm

<?xml version='1.0' encoding='UTF-8'?>
<osm version='0.6' upload='true' generator='JOSM'>
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    <nd ref='-110' />
    <nd ref='-108' />
    <nd ref='-106' />
    <nd ref='-117' />
    <nd ref='-103' />
    <nd ref='-104' />
    <nd ref='-106' />
    <nd ref='-108' />
    <nd ref='-110' />
    <nd ref='-112' />
    <nd ref='-114' />
  </way>
  <way id='-15' action='modify' visible='true'>
    <nd ref='-19' />
    <nd ref='-11' />
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    <nd ref='-17' />
    <nd ref='-14' />
    <nd ref='-17' />
  </way>
</osm>