`make check` yields some failures on macOS

[Hans Åberg]

> On 2 Sep 2024, at 20:25, Torbjörn Granlund <tg at gmplib.org> wrote:
> 
>    I am building gmp 6.3.0 (downloaded from the .tar.xz on the web site just
>    now) on macOS (Sonoma, 14.6.1). I've attached tests/mpn/test-suite.log;
>    please let me know if you need anything more. I build with just
>    `./configure` (no options) and `make`.
> 
> My bad.  6.3.0 is in fact the latest GMP release!  (For some reason, I
> thought 6.3.1 was the version we released last summer.)

See
https://gmplib.org/list-archives/gmp-bugs/2024-June/005505.html