[PATCH] Apply asm redirections in wchar.h before first use

[Florian Weimer]

* Adhemerval Zanella Netto via Libc-alpha:

> On 24/08/22 11:43, Raphael Moreira Zinsly via Libc-alpha wrote:
>> Similar to d0fa09a770, but for wchar.h.  Fixes [BZ #27087] by applying
>> all long double related asm redirections before using functions in
>> bits/wchar2.h.
>> Moves the function declarations from wcsmbs/bits/wchar2.h to a new file
>> wcsmbs/bits/wchar2-decl.h that will be included first in wcsmbs/wchar.h.
>> 
>> Tested with build-many-glibcs.py.
>
> LGTM, thanks.
>
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Raphael, could you push this commit, or should we push it on your
behalf?

Thanks,
Florian