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Subject: bug#42671: 28.0.50; Edebugging secondary CL methods generates duplicate symbols
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From: Philipp Stephani
Date: Sun, 02 Aug 2020 13:04:56 +0200
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Create a file /tmp/defmethod.el:
$ cat /tmp/defmethod.el=20
(cl-defmethod foo ((_ number)))
(cl-defmethod foo :around ((_ number)))
These two methods have identical signatures and names, yet they are
different because the second one is a secondary method. If you then
instrument (C-u C-M-x) both of them, Edebug will generate the duplicate
symbol `foo ((_ number))'. A symptom is the message
Edebug: foo ((_ number)) [2 times]
appearing twice in the *Messages* buffer. This is a problem when using
Edebug for code coverage, as the coverage reporting for one of them will
be wrong. Edebug already attempts to include the signature in the
generated symbol; it should also include all qualifiers.
In GNU Emacs 28.0.50 (build 60, x86_64-pc-linux-gnu, GTK+ Version 3.24.18, =
cairo version 1.16.0)
of 2020-08-02
Repository revision: 929e7e141c5780e51173fda7d7fc5b73411e4465
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Debian GNU/Linux rodete
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Configured using:
'configure --enable-gcc-warnings=3Dwarn-only
--enable-gtk-deprecation-warnings --without-pop --with-mailutils
--enable-checking=3Dall --enable-check-lisp-object-type --with-modules
'CFLAGS=3D-O1 -ggdb3 -fno-omit-frame-pointer -fsanitize=3Daddress
-fsanitize=3Dundefined -fsanitize=3Dpointer-compare
-fsanitize=3Dpointer-subtract''
Configured features:
XPM JPEG TIFF GIF PNG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY
LIBSELINUX GNUTLS FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS GTK3 X11
XDBE XIM MODULES THREADS LIBSYSTEMD JSON PDUMPER
Important settings:
value of $LANG: en_US.utf8
value of $XMODIFIERS: @im=3Dibus
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message rmc dired dired-loaddefs rfc822
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kmacro pcase ffap thingatpt url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf url-util url-parse
auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs
password-cache json map url-vars mailcap subr-x rx gnutls puny seq
byte-opt gv bytecomp byte-compile cconv dbus xml compile comint
ansi-color ring cl-loaddefs cl-lib tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
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backquote threads dbusbind inotify dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)
Memory information:
((conses 16 68773 7900)
(symbols 48 8629 1)
(strings 32 23738 1713)
(string-bytes 1 764236)
(vectors 16 13111)
(vector-slots 8 166364 5896)
(floats 8 25 30)
(intervals 56 221 0)
(buffers 992 11))
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From unknown Sun Jun 15 13:02:46 2025
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From: help-debbugs@gnu.org (GNU bug Tracking System)
To: Philipp Stephani
Subject: bug#42671: closed (Re: bug#42671: 28.0.50; Edebugging secondary
CL methods generates duplicate symbols)
Message-ID:
References:
X-Gnu-PR-Message: they-closed 42671
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Date: Sun, 02 Aug 2020 14:28:02 +0000
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Your bug report
#42671: 28.0.50; Edebugging secondary CL methods generates duplicate symbols
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 42671@debbugs.gnu.org.
--=20
42671: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D42671
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems
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In-Reply-To:
From: Philipp Stephani
Date: Sun, 2 Aug 2020 16:26:43 +0200
Message-ID:
Subject: Re: bug#42671: 28.0.50; Edebugging secondary CL methods generates
duplicate symbols
To: 42671-done@debbugs.gnu.org
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Am So., 2. Aug. 2020 um 13:06 Uhr schrieb Philipp Stephani
:
>
>
> Create a file /tmp/defmethod.el:
>
> $ cat /tmp/defmethod.el
> (cl-defmethod foo ((_ number)))
> (cl-defmethod foo :around ((_ number)))
>
> These two methods have identical signatures and names, yet they are
> different because the second one is a secondary method. If you then
> instrument (C-u C-M-x) both of them, Edebug will generate the duplicate
> symbol `foo ((_ number))'. A symptom is the message
>
> Edebug: foo ((_ number)) [2 times]
>
> appearing twice in the *Messages* buffer. This is a problem when using
> Edebug for code coverage, as the coverage reporting for one of them will
> be wrong. Edebug already attempts to include the signature in the
> generated symbol; it should also include all qualifiers.
Fixed with commit e6eb554b95.
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From: Philipp Stephani
To: bug-gnu-emacs@gnu.org
Subject: 28.0.50; Edebugging secondary CL methods generates duplicate symbols
Date: Sun, 02 Aug 2020 13:04:56 +0200
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Create a file /tmp/defmethod.el:
$ cat /tmp/defmethod.el=20
(cl-defmethod foo ((_ number)))
(cl-defmethod foo :around ((_ number)))
These two methods have identical signatures and names, yet they are
different because the second one is a secondary method. If you then
instrument (C-u C-M-x) both of them, Edebug will generate the duplicate
symbol `foo ((_ number))'. A symptom is the message
Edebug: foo ((_ number)) [2 times]
appearing twice in the *Messages* buffer. This is a problem when using
Edebug for code coverage, as the coverage reporting for one of them will
be wrong. Edebug already attempts to include the signature in the
generated symbol; it should also include all qualifiers.
In GNU Emacs 28.0.50 (build 60, x86_64-pc-linux-gnu, GTK+ Version 3.24.18, =
cairo version 1.16.0)
of 2020-08-02
Repository revision: 929e7e141c5780e51173fda7d7fc5b73411e4465
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Debian GNU/Linux rodete
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Configured using:
'configure --enable-gcc-warnings=3Dwarn-only
--enable-gtk-deprecation-warnings --without-pop --with-mailutils
--enable-checking=3Dall --enable-check-lisp-object-type --with-modules
'CFLAGS=3D-O1 -ggdb3 -fno-omit-frame-pointer -fsanitize=3Daddress
-fsanitize=3Dundefined -fsanitize=3Dpointer-compare
-fsanitize=3Dpointer-subtract''
Configured features:
XPM JPEG TIFF GIF PNG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY
LIBSELINUX GNUTLS FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS GTK3 X11
XDBE XIM MODULES THREADS LIBSYSTEMD JSON PDUMPER
Important settings:
value of $LANG: en_US.utf8
value of $XMODIFIERS: @im=3Dibus
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message rmc dired dired-loaddefs rfc822
mml easymenu mml-sec epa epg epg-config gnus-util rmail rmail-loaddefs
text-property-search time-date mm-decode mm-bodies mm-encode mail-parse
rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mail-utils phst skeleton derived edmacro
kmacro pcase ffap thingatpt url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf url-util url-parse
auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs
password-cache json map url-vars mailcap subr-x rx gnutls puny seq
byte-opt gv bytecomp byte-compile cconv dbus xml compile comint
ansi-color ring cl-loaddefs cl-lib tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads dbusbind inotify dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)
Memory information:
((conses 16 68773 7900)
(symbols 48 8629 1)
(strings 32 23738 1713)
(string-bytes 1 764236)
(vectors 16 13111)
(vector-slots 8 166364 5896)
(floats 8 25 30)
(intervals 56 221 0)
(buffers 992 11))
--=20
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