diff options
| -rw-r--r-- | library/core/src/ptr/non_null.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index b492d2f07bc..ebed58ccf03 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -367,13 +367,14 @@ impl<T: ?Sized> NonNull<T> { /// /// [the module documentation]: crate::ptr#safety #[stable(feature = "nonnull", since = "1.25.0")] - #[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")] + #[rustc_const_stable(feature = "const_nonnull_as_ref", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline(always)] pub const unsafe fn as_ref<'a>(&self) -> &'a T { // SAFETY: the caller must guarantee that `self` meets all the // requirements for a reference. - unsafe { &*self.as_ptr() } + // `cast_const` avoids a mutable raw pointer deref. + unsafe { &*self.as_ptr().cast_const() } } /// Returns a unique reference to the value. If the value may be uninitialized, [`as_uninit_mut`] |