bug#43725: 28.0.50; Include feature/native-comp into master

[Pip Cet]

On Thu, Feb 18, 2021 at 8:40 PM Andrea Corallo via Bug reports for GNU
Emacs, the Swiss army knife of text editors <bug-gnu-emacs@gnu.org>
wrote:
> I noticed that with the suggested fix applied in configurations where
> 'val' can't exceed a long on the positive side GCC (trunk from some time
> ago) is complaining emitting the following warning:
>
> comp.c:1174:22: warning: logical ‘or’ of collectively exhaustive tests is 
> always true [-Wlogical-op]
>  1174 |   if (val > LONG_MAX || val < LONG_MIN)
>       |                      ^~
>
> Not sure what's the best way to silence it or if we want to revert to
> the previous formulation.

Maybe it's me, but I had a hard time parsing that warning. IIUC, the
tests are both trivially false? And oring two trivially false
conditions shouldn't trigger a warning, should it?

Sounds like it's GCC that needs to be fixed.