Your bug report

#6729: [PATCH] sort: omit unnecessary mutex unlock+lock; simplify heap access

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 6729@debbugs.gnu.org.

-- 
6729: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6729
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems