stabilize is_none_or

compiler/rustc_const_eval/src/lib.rs

@@ -6,7 +6,6 @@
 #![feature(box_patterns)]
 #![feature(decl_macro)]
 #![feature(if_let_guard)]
-#![feature(is_none_or)]
 #![feature(let_chains)]
 #![feature(never_type)]
 #![feature(rustdoc_internals)]

compiler/rustc_hir_typeck/src/lib.rs

@@ -5,7 +5,6 @@
 #![feature(box_patterns)]
 #![feature(control_flow_enum)]
 #![feature(if_let_guard)]
-#![feature(is_none_or)]
 #![feature(let_chains)]
 #![feature(never_type)]
 #![feature(try_blocks)]

library/core/src/option.rs

@@ -656,8 +656,6 @@ impl<T> Option<T> {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_none_or)]
-    ///
     /// let x: Option<u32> = Some(2);
     /// assert_eq!(x.is_none_or(|x| x > 1), true);
     ///
@@ -669,7 +667,7 @@ impl<T> Option<T> {
     /// ```
     #[must_use]
     #[inline]
-    #[unstable(feature = "is_none_or", issue = "126383")]
+    #[stable(feature = "is_none_or", since = "CURRENT_RUSTC_VERSION")]
     pub fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool {
         match self {
             None => true,

src/tools/miri/src/lib.rs

@@ -12,7 +12,6 @@
 #![feature(let_chains)]
 #![feature(trait_upcasting)]
 #![feature(strict_overflow_ops)]
-#![feature(is_none_or)]
 // Configure clippy and other lints
 #![allow(
     clippy::collapsible_else_if,