Your bug report

#64646: Master: Native compiler doesn't always compile lambda forms.

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 64646@debbugs.gnu.org.

-- 
64646: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64646
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