Your bug report

#13927: stat --printf %t, %T flags (major and minor device types) don't work on mount points

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 13927@debbugs.gnu.org.

-- 
13927: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13927
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