[Bug libstdc++/122981] pr109261_constexpr_simd.cc and pr115454_find_last_set.cc fail on arm-none-eabi

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122981

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-08-14

--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Aarch64 has it kinda on accident but we can't change it. Arm was done
correctly.
Especially with respect to big endian is a issue.

Anyways just add the cast.