[fpc-pascal] Undocumented SetLength functionality

[Michael Van Canneyt]

On Tue, 15 May 2018, Sven Barth via fpc-pascal wrote:

> Torsten Bonde Christiansen <tc at epidata.info> schrieb am Di., 15. Mai 2018,
> 12:03:
>
>> Is this a feature, bug or undocumented behaviour?
>>
>
> This is a feature and absolutely by design.
>
>
>> Afair, this was allowed back in Delphi7 (which is where i copied some of
>> my old code from), but i'm not sure whether it was documented.
>>
>> At least the current RTL documentation on SetLength does not include
>> other variants than the one with just a single length specifier.
>> https://www.freepascal.org/docs-html/rtl/system/setlength.html
>
>
> While it's not explicitly mentioned it's at least used in one f the
> examples for dynamic arrays in the language guide:
> https://freepascal.org/docs-html/current/ref/refse14.html#QQ2-38-57
> Maybe this can indeed be clarified a bit.

Indeed. Please enter a bugreport so I do not forget it.

Michael.