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bug#27585: segfault when evaluating a file containing only backticks


From: Paul Eggert
Subject: bug#27585: segfault when evaluating a file containing only backticks
Date: Fri, 14 Jul 2017 22:12:08 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1

Steve Kemp wrote:
     $ /tmp/emacs/bin/emacs -Q --batch --script ./t.el
     Re-entering top level after C stack overflow
     [emacs still running]

   Compare that with the normal example:

     $ echo "(defun foo() "Test")" > t.el
     $ /tmp/emacs/bin/emacs -Q --batch --script ./t.el
     $

   Perhaps not a huge problem, but it is a change I think?

After a stack overflow, Emacs drops what it's doing and goes to the top level, regardless of its command-line arguments. Perhaps it would be better if Emacs did something else for this particular case. It's low priority, though.





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