Stabilize core::hint::cold_path

library/core/src/hint.rs

@@ -711,7 +711,6 @@ pub const fn unlikely(b: bool) -> bool {
 /// # Examples
 ///
 /// ```
-/// #![feature(cold_path)]
 /// use core::hint::cold_path;
 ///
 /// fn foo(x: &[i32]) {
@@ -732,7 +731,8 @@ pub const fn unlikely(b: bool) -> bool {
 ///     }
 /// }
 /// ```
-#[unstable(feature = "cold_path", issue = "136873")]
+#[stable(feature = "cold_path", since = "CURRENT_RUSTC_VERSION")]
+#[rustc_const_stable(feature = "cold_path", since = "CURRENT_RUSTC_VERSION")]
 #[inline(always)]
 pub const fn cold_path() {
     crate::intrinsics::cold_path()

library/core/src/intrinsics/mod.rs

@@ -409,8 +409,7 @@ pub const unsafe fn assume(b: bool) {
 /// Therefore, implementations must not require the user to uphold
 /// any safety invariants.
 ///
-/// This intrinsic does not have a stable counterpart.
-#[unstable(feature = "core_intrinsics", issue = "none")]
+/// The stabilized version of this intrinsic is [`core::hint::cold_path`].
 #[rustc_intrinsic]
 #[rustc_nounwind]
 #[miri::intrinsic_fallback_is_spec]

tests/codegen-llvm/hint/cold_path.rs

@@ -1,6 +1,5 @@
 //@ compile-flags: -Copt-level=3
 #![crate_type = "lib"]
-#![feature(cold_path)]
 
 use std::hint::cold_path;