From: Dan Davison <davison@stats.ox.ac.uk>
To: 5662@debbugs.gnu.org
Subject: bug#5662: flet not undone on lisp nesting error
Date: Sun, 28 Feb 2010 21:30:49 -0500 [thread overview]
Message-ID: <87fx4k4vty.fsf@stats.ox.ac.uk> (raw)
If I trigger a lisp nesting error with an infinite recursion inside a
let and an flet binding, then the effects of the flet are not undone,
resulting in a change of binding at the top-level.
(defun g () 'g-orig)
(setq a 'a-orig)
(defun h ()
(let ((a 'a-new))
(flet ((g () 'g-new))
(h))))
(h) ;; <-- Lisp nesting exceeds `max-lisp-eval-depth'
(g) ;; g-new !
a ;; a-orig
Dan
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/23.1/etc/DEBUG for instructions.
In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.18.3)
of 2009-11-10 on vernadsky, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.10604000
configured using `configure '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_GB.UTF-8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default-enable-multibyte-characters: t
Major mode: Article
Minor modes in effect:
erc-list-mode: t
erc-menu-mode: t
erc-autojoin-mode: t
erc-ring-mode: t
erc-networks-mode: t
erc-pcomplete-mode: t
erc-track-mode: t
erc-track-minor-mode: t
erc-match-mode: t
erc-button-mode: t
erc-fill-mode: t
erc-stamp-mode: t
erc-netsplit-mode: t
erc-irccontrols-mode: t
erc-noncommands-mode: t
erc-move-to-prompt-mode: t
erc-readonly-mode: t
show-paren-mode: t
recentf-mode: t
yas/minor-mode: t
diff-auto-refine-mode: t
shell-dirtrack-mode: t
tooltip-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
global-auto-composition-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <tab>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <tab>
C-x C-s <up> <up> <f1> <up> M-g <return> 1 0 0 <return>
<down> <down> <down> <return> <down> <return> <escape>
SPC SPC <up> <down> <prior> <prior> <escape> <up> <return>
<escape> <escape> <down> <return> <escape> <next> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <up> <up> <up> <prior> <prior> <next>
<next> <escape> <down> <down> <f10> <down> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <next> <prior>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <up>
<up> <up> <up> <up> <up> <down> <return> <escape> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <prior> <prior> <down> <down> <escape>
<escape> <next> <up> <escape> <escape> <next> <prior>
<prior> <escape> <up> <down> q <return> 2 0 0 <return>
C-s f l e t C-s C-s <down> <up> <up> <return> <escape>
<down> C-SPC M-> M-w M-x r e p o r t <tab> b u <tab>
<return>
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next reply other threads:[~2010-03-01 2:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-01 2:30 Dan Davison [this message]
2010-03-05 20:30 ` bug#5662: flet not undone on lisp nesting error Stefan Monnier
2014-11-11 2:16 ` Jinseop Kim
2014-11-11 15:50 ` Stefan Monnier
2016-06-02 1:15 ` Noam Postavsky
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