Your message dated Wed, 26 Jul 2017 09:24:59 -0700 with message-id and subject line Re: bug#27838: grep error: "regexec.c:1375: pop_fail_stack: Assertion `num >= 0' failed." has caused the debbugs.gnu.org bug report #27838, regarding grep error: "regexec.c:1375: pop_fail_stack: Assertion `num >= 0' failed." to be marked as done. (If you believe you have received this mail in error, please contact help-debbugs@gnu.org.) -- 27838: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=27838 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems