Rename iterator Debug

Author: Mark-Simulacrum

library/alloc/src/boxed/iter.rs

@@ -332,7 +332,7 @@ impl<T: fmt::Debug, const N: usize, A: Allocator> fmt::Debug for BoxedArrayIntoI
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         // Only print the elements that were not yielded yet: we cannot
         // access the yielded elements anymore.
-        f.debug_tuple("IntoIter").field(&self.as_slice()).finish()
+        f.debug_tuple("BoxedArrayIntoIter").field(&self.as_slice()).finish()
     }
 }