Re: new gcc warning

Pavel Stehule <pavel.stehule@gmail.com> writes:
> I see a new warning in upstream

> r/include/libxml2   -c -o path.o path.c
> path.c: In function ‘has_drive_prefix’:
> path.c:89:26: warning: self-comparison always evaluates to false
> [-Wtautological-compare]
>   return skip_drive(path) != path;
>                           ^~

That should have gone away in commit a2fd62dd5.  What version are
you looking at?
        regards, tom lane