[bug #66135] loop: different error messages describe an identical (?) error

Follow-up Comment #2, bug #66135 (group findutils):

ln -s link link is a symbolic link loop.  You can't dereference this link at
all:


$ ln -s link link
$ stat -L link
stat: cannot statx 'link': Too many levels of symbolic links
$ cat link
cat: link: Too many levels of symbolic links
$ ls -L link
ls: cannot access 'link': Too many levels of symbolic links


ln -s . link is _not_ a symbolic link loop!  You can dereference it:


$ ln -s . link
$ stat -L link
  File: link
  Size: 904             Blocks: 0          IO Block: 4096   directory
Device: 0,44    Inode: 18767458    Links: 1
Access: (0750/drwxr-x---)  Uid: ( 1000/tavianator)   Gid: ( 1000/tavianator)
Access: 2024-09-09 09:37:16.795319268 -0400
Modify: 2024-09-09 09:37:16.935322293 -0400
Change: 2024-09-09 09:37:16.935322293 -0400
 Birth: 2021-06-30 14:48:16.026406491 -0400
$ ls -L link
ABOUT-NLS
AUTHORS
COPYING
...
link
...


Find reports an error for this kind of loop because otherwise it would never
stop printing link, link/link, link/link/link, etc.  But that's different from
the first kind of loop, so the different error makes sense.


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