Re: Emacs 27.0.90 is out!

[Eli Zaretskii]

> From: address@hidden (N. Jackson)
> Date: Tue, 03 Mar 2020 08:40:58 -0500
> Cc: Emacs Devel <address@hidden>
> 
> Are the -Walloc-size-larger-than= warnings expected?
> 
> The warnings look like this:
> 
>   In function ‘xnrealloc’,
>       inlined from ‘linebuffer_setlen’ at etags.c:7284:7,
>       inlined from ‘find_entries’ at etags.c:1893:3:
>   etags.c:7324:18: warning: argument 2 range [9223372036854775808, 
> 18446744073709551615] exceeds maximum object size 9223372036854775807 
> [-Walloc-size-larger-than=]
>    7324 |   void *result = realloc (pa, nbytes);
>         |                  ^~~~~~~~~~~~~~~~~~~~
>   In file included from ../lib/stdlib.h:37,
>                    from etags.c:119:
>   etags.c: In function ‘find_entries’:
>   /usr/include/stdlib.h:549:14: note: in a call to allocation function 
> ‘realloc’ declared here
>     549 | extern void *realloc (void *__ptr, size_t __size)
>         |              ^~~~~~~
>   In file included from ctags.c:2:

What version of GCC did you use for this build?  I had a similar
warning in editfns.c, see bug#39857.