Your bug report

#70436: 30.0.50; Fail to enter the debugger when using prin1 (instead of cl-prin1)

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 70436@debbugs.gnu.org.

-- 
70436: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=70436
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