Rollup merge of #77399 - ssomers:btree_cleanup_5, r=Mark-Simulacrum

BTreeMap: use Unique::from to avoid a cast where type information exists r? @Mark-Simulacrum
rust-lang · Oct 1, 2020 · c820a52 · c820a52
2 parents fbb3dd4 + 4243475
commit c820a52
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/alloc/src/collections/btree/node.rs b/library/alloc/src/collections/btree/node.rs
@@ -128,7 +128,7 @@ impl<K, V> BoxedNode<K, V> {
     }
 
     fn from_internal(node: Box<InternalNode<K, V>>) -> Self {
-        BoxedNode { ptr: Box::into_unique(node).cast() }
+        BoxedNode { ptr: Unique::from(&mut Box::leak(node).data) }
     }
 
     unsafe fn from_ptr(ptr: NonNull<LeafNode<K, V>>) -> Self {