[fpc-pascal] looks like a bug

[Sven Barth]

Peter Blackman via fpc-pascal <fpc-pascal at lists.freepascal.org> schrieb am
Di., 20. Okt. 2026, 23:51:

> On 19/10/2026 01:45, P Padil via fpc-pascal wrote:
> > I set a small array and the program below is ok to go out of bounds.
> >
> > —
> > program test;
> >
> > type
> >     tarr = array of array of boolean;
> >
> > var
> >    exa : tarr = ((false,false,true,true),(false,false,true,true),
> >    (true,true,false,true), (true,true,true,false));
> >
> > begin
> >    writeln(exa[0,0],', ',exa[4,4]);
> >    writeln(low(exa),', ',high(exa));
> >    writeln(low(exa[4]),', ',high(exa[4]));
> > end.
> As its a dynamic array, I would use SetLength on it,
> before assigning to its elements.
>

The array is already initialized with the initialization directly following
its declaration. A SetLength() is not necessary in that case.

Regards,
Sven

>
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