fpcsrc/tests/webtbf/tw13135.pp


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{ %fail }
{$mode objfpc}

type
  ta = class
  end;

  tb = class(ta)
  end;

procedure test(var a: ta);
begin
  a.free;
  a:=ta.create;
  // now b contains an instance of type "ta"
end;

var
  b: tb;
begin
  test(b);
end.