E2507 CLASS constraint and RECORD constraint cannot be specified together (Delphi)

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This occurs when declaring the generic type parameter of both class and record type.

program E2507;

{$APPTYPE CONSOLE}

uses
  SysUtils;

type
  TGenericsError<T: class, record> =  class // E2507
  end;

begin
  Writeln('FAIL - CLASS constraint and RECORD constraint cannot be specified together');
end.