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program Project1;
{$mode objfpc}{$H+}
uses
Classes, SysUtils;
type
{ TFoo }
TFoo = Object
a : integer;
function b : TFoo;
end;
tfoo2 = object(tfoo)
end;
{ TFoo }
function TFoo.b: TFoo;
begin
result.a := 5;
writeln(IntToStr(self.a));
if (self.a<>2) then
halt(1);
end;
procedure t;
var x : TFoo;
begin
x.a := 2;
x := tfoo2(x).b;
writeln(IntToStr(x.a));
if (x.a<>5) then
halt(2);
end;
begin
t;
end.
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