Kill needs_drop

src/hash/table.rs

@@ -13,7 +13,7 @@ use alloc::heap::{Heap, Alloc, Layout};
 use cmp;
 use hash::{BuildHasher, Hash, Hasher};
 use marker;
-use mem::{align_of, size_of, needs_drop};
+use mem::{align_of, size_of};
 use mem;
 use ops::{Deref, DerefMut};
 use ptr::{self, Unique, Shared};
@@ -1175,10 +1175,11 @@ unsafe impl<#[may_dangle] K, #[may_dangle] V> Drop for RawTable<K, V> {
         // dropping empty tables such as on resize.
         // Also avoid double drop of elements that have been already moved out.
         unsafe {
-            if needs_drop::<(K, V)>() {
+            // FORK NOTE: Can't needs_drop on stable
+            // if needs_drop::<(K, V)>() {
                 // avoid linear runtime for types that don't need drop
                 self.rev_drop_buckets();
-            }
+            // }
         }
 
         let hashes_size = self.capacity() * size_of::<HashUint>();

src/lib.rs

@@ -1,7 +1,7 @@
 #![feature(generic_param_attrs)]
 #![feature(dropck_eyepatch)]
 #![feature(allocator_api)]
-#![feature(alloc, needs_drop, shared, unique, fused, placement_new_protocol)]
+#![feature(alloc, shared, unique, fused, placement_new_protocol)]
 
 extern crate alloc;