try hiding it harder

Author: the8472

library/core/src/array/iter.rs

@@ -323,9 +323,17 @@ impl<T, const N: usize> DoubleEndedIterator for IntoIter<T, N> {
 impl<T, const N: usize> Drop for IntoIter<T, N> {
     #[inline]
     fn drop(&mut self) {
-        if crate::mem::needs_drop::<T>() {
+        let drop: Option<unsafe fn(&mut _)> = const {
+            if crate::mem::needs_drop::<T>() {
+                Some(ManuallyDrop::drop)
+            } else {
+                None
+            }
+        };
+
+        if let Some(drop) = drop {
             // SAFETY: This is the only place where we drop this field.
-            unsafe { ManuallyDrop::drop(&mut self.inner) }
+            unsafe { drop(&mut self.inner); }
         }
     }
 }