Your bug report

#11506: 24.1.50; "C-x z" ("repeat") no longer works correctly with M-x

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 11506@debbugs.gnu.org.

-- 
11506: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11506
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