[Bug libffi/117635] Update in-tree copy of libffi to libffi-3.4.8

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117635

--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Pietro Monteiro <pietro@gcc.gnu.org>:

https://gcc.gnu.org/g:734757581803771c394431e7cd938d5358f7585f

commit r17-661-g734757581803771c394431e7cd938d5358f7585f
Author: Pietro Monteiro <pietro@sociotechnical.xyz>
Date:   Thu May 21 17:59:57 2026 -0400

    libffi: Remove debugging output

    The warning is printed when running tests, making dejagnu mark them as
    failed when running 32-bit tests on x86_64.

    Forwarded upstream: https://github.com/libffi/libffi/pull/940

    libffi/ChangeLog:
            PR libffi/117635
            * src/x86/ffitarget.h (if defined (X86_64) &&
            defined (__i386__)): Remove #warning.

    Signed-off-by: Pietro Monteiro <pietro@sociotechnical.xyz>