Your bug report

#70716: flymake-cc creates `-.o` files

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 70716@debbugs.gnu.org.

-- 
70716: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=70716
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