src/test/ui/inference/inference-variable-behind-raw-pointer.rs

   1 // check-pass
   2
   3 // tests that the following code compiles, but produces a future-compatibility warning
   4
   5 fn main() {
   6     let data = std::ptr::null();
   7     let _ = &data as *const *const ();
   8     if data.is_null() {}
   9     //~^ WARNING type annotations needed
  10     //~| WARNING this was previously accepted by the compiler but is being phased out
  11 }