^<\?xml version="1.0"\?>
<GCC_XML[^>]*>
  <Function id="_1" name="start" returns="_2" context="_3" location="f1:7" file="f1" line="7" mangled="[^"]+"/>
  <PointerType id="_2" type="_4" size="[0-9]+" align="[0-9]+"/>
  <Namespace id="_3" name="::"/>
  <Typedef id="_4" name="foo" type="_5" context="_3" location="f1:3" file="f1" line="3"/>
  <Struct id="_5" name="foo_s" context="_3" location="f1:1" file="f1" line="1" size="[0-9]+" align="[0-9]+"/>
  <File id="f1" name=".*/test/input/GNU-attr-malloc-args.c"/>
</GCC_XML>$
