Add optimizer hints

Author: slightlyoutofphase

src/iterators.rs

@@ -655,7 +655,11 @@ impl<T: Clone, const N: usize> Clone for StaticVecIntoIter<T, N> {
       data: {
         let mut data = MaybeUninit::<[T; N]>::uninit();
         let new_data_ptr = data.as_mut_ptr() as *mut T;
+        // Guaranteed safe assumption in this context.
+        assume(!new_data_ptr.is_null());
         let self_data_ptr = self.data.as_ptr() as *const T;
+        // Guaranteed safe assumption in this context.
+        assume(!self_data_ptr.is_null());
         for i in self.start..self.end {
           unsafe { new_data_ptr.add(i).write((&*self_data_ptr.add(i)).clone()) };
         }