[PATCH] intl: reintroduce unintentionally disabled optimization

[Florian Weimer]

* Andreas Schwab:

> "Dmitry V. Levin" <ldv@altlinux.org> writes:
>
>> HAVE_BUILTIN_EXPECT macro was removed by commit glibc-2.14-280-g3ce1f29,
>> but then unintentionally reintroduced during merge with GNU gettext
>> 0.19.3 by commit glibc-2.20-324-g6d24885, effectively disabling all
>> optimization based on __builtin_expect.  As intl files are also part
>> of GNU gettext, HAVE_BUILTIN_EXPECT macro cannot be removed, so guard
>> its use with _LIBC macro.
>
> How about defining HAVE_BUILTIN_EXPECT in config.h.in?

Is config.h.in regenerated by autoreconf and similar tools?