Switch to 'const unsafe fn' ordering (rust-lang/rust#29107)

src/libcore/nonzero.rs

@@ -55,7 +55,7 @@ macro_rules! nonzero_new {
         /// Creates an instance of NonZero with the provided value.
         /// You must indeed ensure that the value is actually "non-zero".
         #[inline(always)]
-        pub unsafe const fn new(inner: T) -> NonZero<T> {
+        pub const unsafe fn new(inner: T) -> NonZero<T> {
             NonZero(inner)
         }
     )

src/libcore/ptr.rs

@@ -511,7 +511,7 @@ macro_rules! unique_new {
 macro_rules! unique_new {
     () => (
         /// Creates a new `Unique`.
-        pub unsafe const fn new(ptr: *mut T) -> Unique<T> {
+        pub const unsafe fn new(ptr: *mut T) -> Unique<T> {
             Unique { pointer: NonZero::new(ptr), _marker: PhantomData }
         }
     )