Source: emacs
Version: 1:27.1+1-3.1
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: lu...@debian.org
Usertags: ftbfs-20220813 ftbfs-bookworm

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.


Relevant part (hopefully):
> make[4]: Entering directory '/<<PKGBUILDDIR>>/debian/build-gtk/admin/charsets'
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP932-2BYTE.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/lisp/international/eucjp-ms.el
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/lisp/international/charscript.el
> make[4]: Leaving directory '/<<PKGBUILDDIR>>/debian/build-gtk/admin/unidata'
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-5.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-6.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-7.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-8.map
> make[4]: Leaving directory '/<<PKGBUILDDIR>>/debian/build-gtk/admin/charsets'
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-9.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-10.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-11.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-13.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-15.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-14.map
>   CC       dispnew.o
>   CC       frame.o
>   CC       scroll.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/8859-16.map
>   CC       xdisp.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM037.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM038.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM256.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM273.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM274.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM275.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM277.map
>   CC       menu.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM278.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/lisp/international/cp51932.el
> make[4]: Leaving directory '/<<PKGBUILDDIR>>/debian/build-gtk/admin/charsets'
>   CC       xmenu.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM280.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM281.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM284.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM285.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM290.map
>   CC       window.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM297.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM420.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM423.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM424.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM437.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM500.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM850.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM851.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM852.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM855.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM856.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM857.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM860.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM861.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM862.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM863.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM864.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM865.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM866.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM868.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM869.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM870.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM871.map
>   CC       charset.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM874.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM875.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM880.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM891.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM903.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM904.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM905.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM918.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM1004.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM1026.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/IBM1047.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP737.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP775.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1125.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1250.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1251.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1252.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1253.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1254.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1255.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1256.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1257.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP1258.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP10007.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP720.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP858.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/GB2312.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/GBK.map
>   CC       coding.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/GB180302.map
> /<<PKGBUILDDIR>>/debian/build-src/src/charset.c: In function 
> ‘load_charset_map’:
>   CC       category.o
> /<<PKGBUILDDIR>>/debian/build-src/src/charset.c:365:21: warning: ‘table’ may 
> be used uninitialized [-Wmaybe-uninitialized]
>   365 |                 if (NILP (CHAR_TABLE_REF (table, from_c)))
>       |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/charset.c:244:15: note: ‘table’ was 
> declared here
>   244 |   Lisp_Object table UNINIT;
>       |               ^~~~~
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/BIG5.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/BIG5-HKSCS.map
>   CC       ccl.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-1.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-2.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-3.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-4.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-5.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-6.map
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c: In function 
> ‘gui_draw_bottom_divider’:
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c:33931:7: warning: this ‘if’ 
> clause does not guard... [-Wmisleading-indentation]
> 33931 |       if (WINDOW_RIGHT_DIVIDER_WIDTH (w)
>       |       ^~
> In file included from /<<PKGBUILDDIR>>/debian/build-src/src/keyboard.h:24,
>                  from /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c:442:
> /<<PKGBUILDDIR>>/debian/build-src/src/termhooks.h:820:22: note: ...this 
> statement, but the latter is misleadingly indented as if it were guarded by 
> the ‘if’
>   820 | #define FRAME_RIF(f) ((f)->terminal->rif)
>       |                      ^
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c:33942:9: note: in expansion of 
> macro ‘FRAME_RIF’
> 33942 |         FRAME_RIF (f)->draw_window_divider (w, x0, x1, y0, y1);
>       |         ^~~~~~~~~
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-7.map
>   CC       character.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CNS-F.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX0201.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX0208.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX0212.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX2132.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISC6226.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX213A.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KSC5601.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KSC5636.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JOHAB.map
>   CC       chartab.o
>   CC       bidi.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KOI-8.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KOI8-R.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KOI8-U.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KOI8-T.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/ALTERNATIVNYJ.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MIK.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/PTCP154.map
>   CC       cm.o
>   CC       term.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/TIS-620.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/VISCII.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/VSCII.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/VSCII-2.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KA-PS.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/KA-ACADEMY.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/HP-ROMAN8.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/NEXTSTEP.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MACINTOSH.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/EBCDICUK.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/EBCDICUS.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/stdenc.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/symbol.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/CP949-2BYTE.map
> /<<PKGBUILDDIR>>/debian/build-src/src/cm.c: In function ‘cmgoto’:
> /<<PKGBUILDDIR>>/debian/build-src/src/cm.c:391:3: warning: ‘use’ may be used 
> uninitialized [-Wmaybe-uninitialized]
>   391 |   switch (use)
>       |   ^~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/cm.c:323:9: note: ‘use’ was declared 
> here
>   323 |     int use UNINIT;
>       |         ^~~
>   CC       terminal.o
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/BIG5-1.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/BIG5-2.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-ethiopic.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-ipa.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-is13194.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-sisheng.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-tibetan.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-lviscii.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/MULE-uviscii.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/GB180304.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/etc/charsets/JISX2131.map
>   GEN      /<<PKGBUILDDIR>>/debian/build-src/admin/charsets/charsets.stamp
> make[4]: Leaving directory '/<<PKGBUILDDIR>>/debian/build-gtk/admin/charsets'
>   CC       xfaces.o
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c: In function 
> ‘Fdelete_other_windows_internal’:
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3394:48: warning: ‘top’ may be 
> used uninitialized [-Wmaybe-uninitialized]
>  3394 |           pos = *vmotion (startpos, startbyte, -top, w);
>       |                                                ^~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3186:7: note: ‘top’ was 
> declared here
>  3186 |   int top UNINIT;
>       |       ^~~
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3394:18: warning: ‘startbyte’ 
> may be used uninitialized [-Wmaybe-uninitialized]
>  3394 |           pos = *vmotion (startpos, startbyte, -top, w);
>       |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3185:30: note: ‘startbyte’ was 
> declared here
>  3185 |   ptrdiff_t startpos UNINIT, startbyte UNINIT;
>       |                              ^~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3394:18: warning: ‘startpos’ 
> may be used uninitialized [-Wmaybe-uninitialized]
>  3394 |           pos = *vmotion (startpos, startbyte, -top, w);
>       |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3185:13: note: ‘startpos’ was 
> declared here
>  3185 |   ptrdiff_t startpos UNINIT, startbyte UNINIT;
>       |             ^~~~~~~~
> In file included from /<<PKGBUILDDIR>>/debian/build-src/src/window.c:23:
> /<<PKGBUILDDIR>>/debian/build-src/src/lisp.h:771:33: warning: ‘swindow’ may 
> be used uninitialized [-Wmaybe-uninitialized]
>   771 | #define XUNTAG(a, type, ctype) ((ctype *) \
>       |                                 ^
> /<<PKGBUILDDIR>>/debian/build-src/src/window.c:3184:15: note: ‘swindow’ was 
> declared here
>  3184 |   Lisp_Object swindow UNINIT;
>       |               ^~~~~~~
>   CC       xterm.o
>   CC       xfns.o
>   CC       xselect.o
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:5661:53: warning: argument 2 
> of type ‘union Lisp_X *[20]’ with mismatched bound [-Warray-parameter=]
>  5661 | realize_face (struct face_cache *cache, Lisp_Object 
> attrs[LFACE_VECTOR_SIZE],
>       |                                         
> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:355:56: note: previously 
> declared as ‘union Lisp_X **’
>   355 | static struct face *realize_face (struct face_cache *, Lisp_Object *,
>       |                                                        ^~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:5738:57: warning: argument 2 
> of type ‘union Lisp_X *[20]’ with mismatched bound [-Warray-parameter=]
>  5738 | realize_gui_face (struct face_cache *cache, Lisp_Object 
> attrs[LFACE_VECTOR_SIZE])
>       |                                             
> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:357:60: note: previously 
> declared as ‘union Lisp_X **’
>   357 | static struct face *realize_gui_face (struct face_cache *, 
> Lisp_Object *);
>       |                                                            
> ^~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:6065:31: warning: argument 2 
> of type ‘union Lisp_X *[20]’ with mismatched bound [-Warray-parameter=]
>  6065 |                   Lisp_Object attrs[LFACE_VECTOR_SIZE])
>       |                   ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xfaces.c:358:60: note: previously 
> declared as ‘union Lisp_X **’
>   358 | static struct face *realize_tty_face (struct face_cache *, 
> Lisp_Object *);
>       |                                                            
> ^~~~~~~~~~~~~
>   CC       xrdb.o
> In file included from /<<PKGBUILDDIR>>/debian/build-src/src/term.c:30:
> In function ‘AREF’,
>     inlined from ‘encode_terminal_code’ at 
> /<<PKGBUILDDIR>>/debian/build-src/src/term.c:581:19:
> /<<PKGBUILDDIR>>/debian/build-src/src/lisp.h:1853:35: warning: ‘gstring’ may 
> be used uninitialized [-Wmaybe-uninitialized]
>  1853 |   return XVECTOR (array)->contents[idx];
>       |          ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/term.c: In function 
> ‘encode_terminal_code’:
> /<<PKGBUILDDIR>>/debian/build-src/src/term.c:553:23: note: ‘gstring’ was 
> declared here
>   553 |           Lisp_Object gstring UNINIT;
>       |                       ^~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/term.c:590:32: warning: ‘cmp’ may be 
> used uninitialized [-Wmaybe-uninitialized]
>   590 |             for (i = 0; i < cmp->glyph_len; i++)
>       |                             ~~~^~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/term.c:552:31: note: ‘cmp’ was declared 
> here
>   552 |           struct composition *cmp UNINIT;
>       |                               ^~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c: In function 
> ‘x_draw_glyphless_glyph_string_foreground’:
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c:2007:13: warning: storing the 
> address of local variable ‘char2b’ in ‘*s.char2b’ [-Wdangling-pointer=]
>  2007 |   s->char2b = char2b;
>       |   ~~~~~~~~~~^~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c:1996:12: note: ‘char2b’ 
> declared here
>  1996 |   unsigned char2b[8];
>       |            ^~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c:1996:12: note: ‘s’ declared here
> In file included from /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:292:
> In function ‘XCAR’,
>     inlined from ‘Ffind_operation_coding_system’ at 
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:10690:14:
> /<<PKGBUILDDIR>>/debian/build-src/src/lisp.h:394:38: warning: array subscript 
> 0 is outside array bounds of ‘union Lisp_X[0]’ [-Warray-bounds]
>   394 | #define lisp_h_XCAR(c) XCONS (c)->u.s.car
>       |                        ~~~~~~~~~~~~~~^~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/lisp.h:1444:10: note: in expansion of 
> macro ‘lisp_h_XCAR’
>  1444 |   return lisp_h_XCAR (c);
>       |          ^~~~~~~~~~~
>   CC       xsmfns.o
>   CC       xsettings.o
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c: In function 
> ‘decode_coding_emacs_mule’:
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2409:26: warning: ‘nbytes’ may 
> be used uninitialized [-Wmaybe-uninitialized]
>  2409 |           src = src_base + nbytes;
>       |                 ~~~~~~~~~^~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2384:30: note: ‘nbytes’ was 
> declared here
>  2384 |           int nchars UNINIT, nbytes UNINIT;
>       |                              ^~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2410:48: warning: ‘nchars’ may 
> be used uninitialized [-Wmaybe-uninitialized]
>  2410 |           consumed_chars = consumed_chars_base + nchars;
>       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2384:15: note: ‘nchars’ was 
> declared here
>  2384 |           int nchars UNINIT, nbytes UNINIT;
>       |               ^~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2421:14: warning: ‘id’ may be 
> used uninitialized [-Wmaybe-uninitialized]
>  2421 |           if (last_id != id)
>       |              ^
> /<<PKGBUILDDIR>>/debian/build-src/src/coding.c:2339:11: note: ‘id’ was 
> declared here
>  2339 |       int id UNINIT;
>       |           ^~
>   CC       gtkutil.o
>   CC       emacsgtkfixed.o
>   CC       dbusbind.o
>   CC       emacs.o
>   CC       keyboard.o
> /<<PKGBUILDDIR>>/debian/build-src/src/gtkutil.c: In function 
> ‘xg_get_file_with_chooser.isra’:
> /<<PKGBUILDDIR>>/debian/build-src/src/gtkutil.c:2105:5: warning: ‘wmessage’ 
> may be used uninitialized [-Wmaybe-uninitialized]
>  2105 |     gtk_box_pack_start (GTK_BOX (wbox), wmessage, FALSE, FALSE, 0);
>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/gtkutil.c:2055:14: note: ‘wmessage’ was 
> declared here
>  2055 |   GtkWidget *wmessage UNINIT;
>       |              ^~~~~~~~
>   CC       macros.o
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c: In function 
> ‘x_get_current_wm_state’:
> /<<PKGBUILDDIR>>/debian/build-src/src/xterm.c:10878:9: warning: ‘reply_data’ 
> may be used uninitialized [-Wmaybe-uninitialized]
> 10878 |   Atom *reply_data UNINIT;
>       |         ^~~~~~~~~~
>   CC       keymap.o
>   CC       sysdep.o
>   CC       bignum.o
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c: In function 
> ‘move_it_in_display_line_to’:
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c:9515:25: warning: ‘closest_pos’ 
> may be used uninitialized [-Wmaybe-uninitialized]
>  9515 |                         move_it_in_display_line_to (it, closest_pos, 
> -1,
>       |                         
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  9516 |                                                     MOVE_TO_POS);
>       |                                                     ~~~~~~~~~~~~
> /<<PKGBUILDDIR>>/debian/build-src/src/xdisp.c:9017:13: note: ‘closest_pos’ 
> was declared here
>  9017 |   ptrdiff_t closest_pos UNINIT;
>       |             ^~~~~~~~~~~
>   CC       buffer.o
>   CC       filelock.o
>   CC       insdel.o
>   CC       marker.o
> /<<PKGBUILDDIR>>/debian/build-src/src/sysdep.c:1819:22: error: variably 
> modified ‘sigsegv_stack’ at file scope
>  1819 | static unsigned char sigsegv_stack[SIGSTKSZ];
>       |                      ^~~~~~~~~~~~~
> make[3]: *** [Makefile:402: sysdep.o] Error 1


The full build log is available from:
http://qa-logs.debian.net/2022/08/13/emacs_27.1+1-3.1_unstable.log

All bugs filed during this archive rebuild are listed at:
https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20220813;users=lu...@debian.org
or:
https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20220813&fusertaguser=lu...@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.

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