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bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files'


From: Michael Heerdegen
Subject: bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files'
Date: Tue, 27 Feb 2018 13:08:59 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.91 (gnu/linux)

Michael Heerdegen <address@hidden> writes:

> Here is the backtrace I'm now able to produce.  Looks like the crash
> happens in gc.

Here is a much simpler example that crashes as well:

#+begin_src emacs-lisp
(seq-doseq (_ (stream-range 1 1000000)) nil)
#+end_src

Note that this is executed as a loop due how to streams are implemented,
although the definition of `seq-doseq' looks recursive.  But it seems
that gc has a problem with the large number of conses created when
processing that.


Michael.





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