// Check that it is possible to have multiple instances of a module that defines
// a class and that the actual class types can have different implementations
// based on module parameters.

module M #(
  parameter X = 0
);

  class C;
    function int f;
      return X;
    endfunction
  endclass

  C c = new;

endmodule

module test;

  M #(10) m1();
  M #(20) m2();

  initial begin
    if (m1.c.f() == 10 && m2.c.f() == 20) begin
      $display("PASSED");
    end else begin
      $display("FAILED");
    end
  end

endmodule