[Bug ada/114065] gnat build with -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 fails on 32bit archs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114065

--- Comment #51 from John David Anglin <danglin at gcc dot gnu.org> ---
v18 patch also has same issue on big-endian targets in builds with
_TIME_BITS=64.