[fpc-pascal] QWord/UInt64 and Range Check Errors

[Jürgen Hestermann]

> The fact that Borland regarded "$FF..FF" as a 2's complement
> representation and not as a base-16 representation of an integer is
> not really what I would call "Pascal spirit". As a matter of fact,
> "Borland mess" would be more appropriate. :-)

I always avoid such imponderabilities by using fillchar to set all bits 
of a structure to 1 (or 0);

fillchar(X,$F);

And single bits can be modified with AND/OR afterwards if needed.