[Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]] type hits invalid code in experimental/bits/simd_builtin.h

[aoliva at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114803

--- Comment #8 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
-fsigned-char works around the fail on affected targets.  I couldn't trigger it
on arm-eabi, alas, not even with -funsigned-char.