Your bug report

#17681: 24.3.91; "Arithmetic Error" in hide-ifdef mode when using shift operators

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 17681@debbugs.gnu.org.

-- 
17681: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17681
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