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-rw-r--r--src/liballoc/boxed.rs4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index 512c7194fe3..6b92da11079 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -326,9 +326,7 @@ impl<T: ?Sized> Box<T> {
                issue = "27730")]
     #[inline]
     pub fn into_unique(b: Box<T>) -> Unique<T> {
-        let u = b.0;
-        mem::forget(b);
-        u
+        unsafe { mem::transmute(b) }
     }
 }