[fpc-pascal] warning about hiding method in ancestor class

[Sven Barth]

On 04.05.2014 16:46, Xiangrong Fang wrote:
> Hello All,
>
> I have a unit here:
>
> https://github.com/xrfang/pastats/blob/master/src/units/datalist.pas
>
> which report this error:
>
> /home/xrfang/git/pastats/src/units/datalist.pas(61,17) Warning: An
> inherited method is hidden by "constructor TDataFrame.Create;"
>
> However, the following code, which also define a new constructor without
> using "overload", does NOT have such warning.
>
[snip]
>
> If I use reintroduce, I can suppress this warning. But my question is,
> why is this warning NOT displayed in the above sample code? In general,
> shall I use "reintroduce" keyword? Is it related to generics?

If I remember correctly that warning appears if you have a non-virtual 
constructor with the same arguments as a virtual constructor of the base 
class. It should however not be related to generics in any way...

Regards,
Sven