[fpc-devel] bug: Inc(v,i)/Dec(v,i)
gs at g--s.de
Tue Jul 5 22:26:52 CEST 2005
> > var
> > v : cardinal;
> > begin
> > v:=100;
> > inc(v,-1);
> > end.
> > The reason is that -1 is in fact an addition of $ffffffff resulting in the
> > carry flag being set and therefor an overflow.
> For cardinal IMHO not-a-bug?
I think it's a bug for cardinals and other unsigned ints also (as long as the
result is in the range of the result variable)
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