Replace manual iter exhaust with for_each(drop).

1 files changed, 1 insertions, 1 deletions

diff --git a/src/liballoc/vec_deque.rs b/src/liballoc/vec_deque.rs
index 68add3cbd51..ee9d8e796ab 100644
--- a/src/liballoc/vec_deque.rs
+++ b/src/liballoc/vec_deque.rs
@@ -2177,7 +2177,7 @@ unsafe impl<'a, T: Send> Send for Drain<'a, T> {}
 #[stable(feature = "drain", since = "1.6.0")]
 impl<'a, T: 'a> Drop for Drain<'a, T> {
     fn drop(&mut self) {
-        for _ in self.by_ref() {}
+        self.for_each(drop);
 
         let source_deque = unsafe { self.deque.as_mut() };