text: //aro-args -E
  
  #if defined FOO & !defined(BAZ)
  void
  #elif !defined(BAR)
  long
  #endif
  
  #if 1 - 1
  #error "foo"
  #endif
  
  #if defined BAR ? 1 : 0
  #error foo
  #endif
  
  #if 0 && 0
  # error foo
  #endif
  
  #if 0 || 0
  # error foo
  #endif
  