text: // RUN: %clang_cc1 %s -emit-llvm -o -
  
  # define pck __attribute__((packed))
  
  
  struct pck F { 
    unsigned long long i : 12, 
      j : 23, 
      k : 27, 
      l; 
  }; 
  struct F f1;
  
  void foo(void) {
  	f1.l = 5;
  }
  