Allow interior_mutable_consts lint in std for INIT const

Author: Urgau

library/core/src/sync/atomic.rs

@@ -410,6 +410,7 @@ pub enum Ordering {
     note = "the `new` function is now preferred",
     suggestion = "AtomicBool::new(false)"
 )]
+#[cfg_attr(not(bootstrap), expect(interior_mutable_consts))]
 pub const ATOMIC_BOOL_INIT: AtomicBool = AtomicBool::new(false);
 
 #[cfg(target_has_atomic_load_store = "8")]
@@ -3691,6 +3692,7 @@ macro_rules! atomic_int_ptr_sized {
             note = "the `new` function is now preferred",
             suggestion = "AtomicIsize::new(0)",
         )]
+        #[cfg_attr(not(bootstrap), expect(interior_mutable_consts))]
         pub const ATOMIC_ISIZE_INIT: AtomicIsize = AtomicIsize::new(0);
 
         /// An [`AtomicUsize`] initialized to `0`.
@@ -3701,6 +3703,7 @@ macro_rules! atomic_int_ptr_sized {
             note = "the `new` function is now preferred",
             suggestion = "AtomicUsize::new(0)",
         )]
+        #[cfg_attr(not(bootstrap), expect(interior_mutable_consts))]
         pub const ATOMIC_USIZE_INIT: AtomicUsize = AtomicUsize::new(0);
     )* };
 }

library/std/src/sync/poison/once.rs

@@ -71,6 +71,7 @@ pub(crate) enum ExclusiveState {
     note = "the `Once::new()` function is now preferred",
     suggestion = "Once::new()"
 )]
+#[cfg_attr(not(bootstrap), expect(interior_mutable_consts))]
 pub const ONCE_INIT: Once = Once::new();
 
 impl Once {

library/std/src/sys/thread_local/native/mod.rs

@@ -55,6 +55,7 @@ pub macro thread_local_inner {
 
     // Used to generate the `LocalKey` value for const-initialized thread locals.
     (@key $t:ty, const $init:expr) => {{
+        #[allow(unknown_lints, interior_mutable_consts)] // cfg(bootstrap) for unknown_lints
         const __INIT: $t = $init;
 
         unsafe {