SPRINGFIELD — The Illinois Supreme Court on Tuesday appeared split on whether a 40-year-old provision that requires the city of Chicago to destroy police misconduct records could be squared with both state labor and public information laws.The provision, which holds that “all disciplinary investigation records” should be destroyed five years after their filing, stems from the police officers’ collective bargaining agreement reached with the city in 1981.In 2014, Cook County Associate Judge Sanjay T. …