text: // RUN: %clang_cc1 -fsyntax-only -verify %s
  // expected-no-diagnostics
  typedef void (*thread_continue_t)();
  
  extern "C" {
    extern void kernel_thread_start(thread_continue_t continuation);
    extern void pure_c(void);
  }
  
  class _IOConfigThread {
  public:
    static void main( void );
  };
  
  
  void foo( void ) {
    kernel_thread_start(&_IOConfigThread::main);
    kernel_thread_start((thread_continue_t)&_IOConfigThread::main);
    kernel_thread_start(&pure_c);
  }
  