message: Rustup to rustc 1.38.0-nightly (4560cb830 2019-07-28)
diff: @@ -216,7 +216,7 @@ unsafe fn uninitialized<T>() -> T {
  let x = &[0u32, 42u32] as &[u32];
  match x {
  [] => assert_eq!(0u32, 1),
  - [_, ref y..] => assert_eq!(&x[1] as *const u32 as usize, &y[0] as *const u32 as usize),
  + [_, ref y @ ..] => assert_eq!(&x[1] as *const u32 as usize, &y[0] as *const u32 as usize),
  }
  assert_eq!(((|()| 42u8) as fn(()) -> u8)(()), 42);
  