Follow-up Comment #3, bug #51926 (project findutils):
The complexity is that "-xtype" isn't really defined for a looping link,
because xtype is a test of *the thing at the end of the chain of links* (which
doesn't exist).
Actually, there's a similar problem with an ordinary broken link (which
doesn't point to anything).
It turns out that find treats "-xtype (anything)" as false on a broken link,
which doesn't seem to be specified in the manual page. So it would be
plausible to treat it as false on a circular link as well.
There may be an upward-compatibility problem that some users are expecting to
get the "Too many levels of symbolic links" message.
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