From 2693d1242c25c708b7fe9e12bda27c3e841634d1 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Tue, 28 May 2019 12:53:45 +0200
Subject: [PATCH] cast the entire slice to a raw pointer, not just the first
 element

---
 src/raw/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/raw/mod.rs b/src/raw/mod.rs
index e02c21c5f6..822b5c9c31 100644
--- a/src/raw/mod.rs
+++ b/src/raw/mod.rs
@@ -357,7 +357,8 @@ impl<T> RawTable<T> {
     pub fn new() -> Self {
         Self {
             data: NonNull::dangling(),
-            ctrl: NonNull::from(&Group::static_empty()[0]),
+            // Be careful to cast the entire slice to a raw pointer.
+            ctrl: unsafe { NonNull::new_unchecked(Group::static_empty().as_ptr() as *mut u8) },
             bucket_mask: 0,
             items: 0,
             growth_left: 0,