[PATCH v2 01/28] include: Sync gnulib intprops

[Collin Funk]

Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:

> The main change is to proper support clang by using builtins.  It
> fixes a sprof build issue, where previous version uses the generic
> code path when building with clang:
>
> sprof.c:682:8: error: result of comparison of constant 288230376151711743 with expression of type 'Elf64_Half' (aka 'unsigned short') is always false [-Werror,-Wtautological-constant-out-of-range-compare]
>   682 |           if (INT_MULTIPLY_WRAPV (ehdr2.e_shnum, sizeof (ElfW(Shdr)), &size))
>       |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../include/intprops.h:415:34: note: expanded from macro 'INT_MULTIPLY_WRAPV'
>   415 |    _GL_INT_OP_WRAPV (a, b, r, *, _GL_INT_MULTIPLY_RANGE_OVERFLOW)
>       |    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../include/intprops.h:504:45: note: expanded from macro '_GL_INT_OP_WRAPV'
>   504 |     : _GL_INT_OP_WRAPV_LONGISH(a, b, r, op, overflow))
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
> ../include/intprops.h:511:41: note: expanded from macro '_GL_INT_OP_WRAPV_LONGISH'
>   511 |         : _GL_INT_OP_CALC (a, b, r, op, overflow, unsigned long int, \
>       |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   512 |                            unsigned long int, 0, ULONG_MAX)) \
>       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../include/intprops.h:533:4: note: expanded from macro '_GL_INT_OP_CALC'
>   533 |   (overflow (a, b, tmin, tmax) \
>       |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../include/intprops.h:608:22: note: expanded from macro '_GL_INT_MULTIPLY_RANGE_OVERFLOW'
>   608 |       : (tmax) / (b) < (a)))
>       |         ~~~~~~~~~~~~ ^ ~~~
> 1 error generated.
> ---
>  include/intprops-internal.h | 396 ++++++++++++++++++++++++++++++++++++
>  include/intprops.h          | 368 ++++-----------------------------
>  2 files changed, 432 insertions(+), 332 deletions(-)
>  create mode 100644 include/intprops-internal.h

Cool, looks good. Can you just amend this commit to update the dates in
SHARED-FILES? It would probably be good to include the commit hash as
well.

Reviewed-by: Collin Funk <collin.funk1@gmail.com>

Collin