From e86ecdf9fe2d60dad52c1e60657ed749c2196c5b Mon Sep 17 00:00:00 2001
From: Chayim Refael Friedman <chayimfr@gmail.com>
Date: Thu, 30 Dec 2021 05:04:44 +0200
Subject: [PATCH] Use `UnsafeCell::get_mut()` in
 `core::lazy::OnceCell::get_mut()`

This removes one unnecessary `unsafe` block.
---
 library/core/src/lazy.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/library/core/src/lazy.rs b/library/core/src/lazy.rs
index 2b8a5f3cbf3..788f0cce01b 100644
--- a/library/core/src/lazy.rs
+++ b/library/core/src/lazy.rs
@@ -102,8 +102,7 @@ impl<T> OnceCell<T> {
     /// Returns `None` if the cell is empty.
     #[unstable(feature = "once_cell", issue = "74465")]
     pub fn get_mut(&mut self) -> Option<&mut T> {
-        // SAFETY: Safe because we have unique access
-        unsafe { &mut *self.inner.get() }.as_mut()
+        self.inner.get_mut().as_mut()
     }
 
     /// Sets the contents of the cell to `value`.