Re: Emacs pretest 28.1.90 is out

[Arash Esbati]

Stefan Kangas <stefan@marxist.se> writes:

> The first pretest for what will be the 28.2 release of Emacs (the
> extensible text editor) is available at:
>
>   https://alpha.gnu.org/gnu/emacs/pretest/emacs-28.1.90.tar.xz

Thanks, builds fine on Win10 with Mingw64 (I ran only ./configure and
make).  I get only these warnings:

  CCLD     make-docfile.exe
  CCLD     make-fingerprint.exe
In function 'main':
cc1.exe: warning: '__builtin_memcpy' writing 12 bytes into a region of size 
between 0 and 7 [-Wstringop-overflow=]
In file included from ctags.c:2:
etags.c:1429:21: note: destination object of size [0, 7] allocated by 'xmalloc'
 1429 |         char *cmd = xmalloc (2 * strlen (tagfile) + sizeof "sort -u 
-o..");
      |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
etags.c:1435:14: warning: writing 1 byte into a region of size 0 
[-Wstringop-overflow=]
 1435 |         *z++ = ' ';
      |         ~~~~~^~~~~
etags.c:1429:21: note: at offset 11 into destination object of size [0, 7] 
allocated by 'xmalloc'
 1429 |         char *cmd = xmalloc (2 * strlen (tagfile) + sizeof "sort -u 
-o..");
      |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
etags.c:1434:13: warning: 'stpcpy' writing 1 or more bytes into a region of 
size 0 overflows the destination [-Wstringop-overflow=]
 1434 |         z = stpcpy (z, tagfile);
      |             ^~~~~~~~~~~~~~~~~~~
etags.c:1429:21: note: at offset 11 into destination object of size [0, 7] 
allocated by 'xmalloc'
 1429 |         char *cmd = xmalloc (2 * strlen (tagfile) + sizeof "sort -u 
-o..");
      |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
etags.c:1436:9: warning: 'strcpy' writing 1 or more bytes into a region of size 
0 overflows the destination [-Wstringop-overflow=]
 1436 |         strcpy (z, tagfile);
      |         ^~~~~~~~~~~~~~~~~~~
etags.c:1429:21: note: at offset 12 into destination object of size [0, 7] 
allocated by 'xmalloc'
 1429 |         char *cmd = xmalloc (2 * strlen (tagfile) + sizeof "sort -u 
-o..");
      |                     
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I can't tell if they can be ignored or not.  This is with gcc 12.1.0.

Best, Arash