sparcv9 build failure with GCC mainline

[Joseph Myers]

On Thu, 7 Dec 2023, Adhemerval Zanella Netto wrote:

> Afaik these in glibc only for compatibility reasons, and to keep the compat
> was always tricky (bdc543e338281 for instance).  Consolidating .udiv and
> .div on same TU seems the easiest solution.

It's since occurred to me that, as these are only for compatibility and 
they only cause problems for static linking, a better fix might be to 
build them only for shared libc and let statically linked programs get the 
copies from libgcc instead.

-- 
Joseph S. Myers
joseph@codesourcery.com