^<\?xml version="1.0"\?>
<GCC_XML[^>]*>
  <Function id="_1" name="start" returns="_2" context="_3" location="f1:1" file="f1" line="1" mangled="[^"]+"/>
  <Unimplemented id="_2" type_class="Auto"/>
  <Namespace id="_3" name="::"/>
  <File id="f1" name=".*/test/input/Function-auto-undeduced.cxx"/>
</GCC_XML>$
