[PUSHED] gdb: Use std::abs instead of abs on LONGEST types

[Christian Biesinger via gdb-patches]

On Thu, Feb 27, 2020 at 1:07 PM Pedro Alves <palves@redhat.com> wrote:
>
> On 2/27/20 4:46 PM, Andrew Burgess wrote:
> > Use std::abs so that we get the C++ overloaded version that matches
> > the argument type instead of the C abs function which is only for int
> > arguments.
>
> Note that stdlib.h/stdmath.h are supposed to provide the overloads in
> the global namespace as well; the standard requires it.  Older
> GCCs got that wrong (e.g. 4.8), but more modern GCCs get it right.
>
> Just a FYI, the patch is fine.

Hm... I saw a build error from this on arm-netbsd with clang 9, I
wonder what happened there. Anyway, the patch does fix it.

Christian

>
> >
> > There should be no user visible change after this commit.
> >
> > gdb/ChangeLog:
> >
> >       * gdbtypes.c (create_array_type_with_stride): Use std::abs not
> >       abs.
>
> Thanks,
> Pedro Alves
>