freepascal.compiler/tests/tbf/tb0126.pp

{ %fail }
{ This program should fail compilation, since
  the declaration is not the same as the actual
  implementation, checked against Delphi 3 -
  the class keyword is missing in front 
  of procedure tmyclass.myproc
}
{$ifdef fpc}
{$mode objfpc}
{$endif}
type
   tmyclass = class
    class procedure myproc;virtual;
   end;
   
   { missing class keyword in front of procedure }
   procedure tmyclass.myproc;
    begin
    end;
    

Begin
end.