Re: bug#36370: 27.0.50; XFIXNAT called on negative numbers

[Pip Cet]

>   Options                        Result
>   none                           increment
>   -DASSUME_GNULIB                increment
>   -DTWO_ASSUMES                  single-store
>   -DASSUME_GNULIB -DTWO_ASSUMES  increment

Thanks, I should have included that. However, please note that in the
-DASSUME_GNULIB cases, global will have a final value of 2, as it's
incremented by f as well as by main; in the "none" case, it will have
a final value of 1.