Auto merge of rust-lang#146636 - Mark-Simulacrum:bootstrap-bump, r=jieyouxu

Bump bootstrap compiler to 1.91 beta

https://forge.rust-lang.org/release/process.html#default-branch-bootstrap-update-tuesday

Author: bors

alloc/src/boxed.rs

@@ -1706,7 +1706,7 @@ impl Default for Box<str> {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "pin_default_impls", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "pin_default_impls", since = "1.91.0")]
 impl<T> Default for Pin<Box<T>>
 where
     T: ?Sized,

alloc/src/collections/btree/map.rs

@@ -1456,7 +1456,7 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
     /// assert_eq!(low.keys().copied().collect::<Vec<_>>(), [0, 1, 2, 3]);
     /// assert_eq!(high.keys().copied().collect::<Vec<_>>(), [4, 5, 6, 7]);
     /// ```
-    #[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "btree_extract_if", since = "1.91.0")]
     pub fn extract_if<F, R>(&mut self, range: R, pred: F) -> ExtractIf<'_, K, V, R, F, A>
     where
         K: Ord,
@@ -1943,7 +1943,7 @@ impl<K, V> Default for Values<'_, K, V> {
 }
 
 /// An iterator produced by calling `extract_if` on BTreeMap.
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 #[must_use = "iterators are lazy and do nothing unless consumed"]
 pub struct ExtractIf<
     'a,
@@ -1976,7 +1976,7 @@ pub(super) struct ExtractIfInner<'a, K, V, R> {
     range: R,
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<K, V, R, F, A> fmt::Debug for ExtractIf<'_, K, V, R, F, A>
 where
     K: fmt::Debug,
@@ -1988,7 +1988,7 @@ where
     }
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<K, V, R, F, A: Allocator + Clone> Iterator for ExtractIf<'_, K, V, R, F, A>
 where
     K: PartialOrd,
@@ -2062,7 +2062,7 @@ impl<'a, K, V, R> ExtractIfInner<'a, K, V, R> {
     }
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<K, V, R, F> FusedIterator for ExtractIf<'_, K, V, R, F>
 where
     K: PartialOrd,

alloc/src/collections/btree/set.rs

@@ -1218,7 +1218,7 @@ impl<T, A: Allocator + Clone> BTreeSet<T, A> {
     /// assert_eq!(low.into_iter().collect::<Vec<_>>(), [0, 1, 2, 3]);
     /// assert_eq!(high.into_iter().collect::<Vec<_>>(), [4, 5, 6, 7]);
     /// ```
-    #[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "btree_extract_if", since = "1.91.0")]
     pub fn extract_if<F, R>(&mut self, range: R, pred: F) -> ExtractIf<'_, T, R, F, A>
     where
         T: Ord,
@@ -1553,7 +1553,7 @@ impl<'a, T, A: Allocator + Clone> IntoIterator for &'a BTreeSet<T, A> {
 }
 
 /// An iterator produced by calling `extract_if` on BTreeSet.
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 #[must_use = "iterators are lazy and do nothing unless consumed"]
 pub struct ExtractIf<
     'a,
@@ -1568,7 +1568,7 @@ pub struct ExtractIf<
     alloc: A,
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<T, R, F, A> fmt::Debug for ExtractIf<'_, T, R, F, A>
 where
     T: fmt::Debug,
@@ -1581,7 +1581,7 @@ where
     }
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<T, R, F, A: Allocator + Clone> Iterator for ExtractIf<'_, T, R, F, A>
 where
     T: PartialOrd,
@@ -1601,7 +1601,7 @@ where
     }
 }
 
-#[stable(feature = "btree_extract_if", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "btree_extract_if", since = "1.91.0")]
 impl<T, R, F, A: Allocator + Clone> FusedIterator for ExtractIf<'_, T, R, F, A>
 where
     T: PartialOrd,

alloc/src/rc.rs

@@ -2377,7 +2377,7 @@ impl<T> Default for Rc<[T]> {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "pin_default_impls", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "pin_default_impls", since = "1.91.0")]
 impl<T> Default for Pin<Rc<T>>
 where
     T: ?Sized,

alloc/src/sync.rs

@@ -3636,7 +3636,7 @@ impl<T> Default for Arc<[T]> {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "pin_default_impls", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "pin_default_impls", since = "1.91.0")]
 impl<T> Default for Pin<Arc<T>>
 where
     T: ?Sized,

core/src/any.rs

@@ -774,7 +774,7 @@ impl TypeId {
     /// ```
     #[must_use]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_type_id", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_type_id", since = "1.91.0")]
     pub const fn of<T: ?Sized + 'static>() -> TypeId {
         const { intrinsics::type_id::<T>() }
     }

core/src/array/mod.rs

@@ -49,7 +49,7 @@ pub use iter::IntoIter;
 /// ```
 #[inline]
 #[must_use = "cloning is often expensive and is not expected to have side effects"]
-#[stable(feature = "array_repeat", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "array_repeat", since = "1.91.0")]
 pub fn repeat<T: Clone, const N: usize>(val: T) -> [T; N] {
     from_trusted_iterator(repeat_n(val, N))
 }
@@ -627,7 +627,7 @@ impl<T, const N: usize> [T; N] {
     /// assert_eq!(strings.len(), 3);
     /// ```
     #[stable(feature = "array_methods", since = "1.77.0")]
-    #[rustc_const_stable(feature = "const_array_each_ref", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_array_each_ref", since = "1.91.0")]
     pub const fn each_ref(&self) -> [&T; N] {
         let mut buf = [null::<T>(); N];
 
@@ -658,7 +658,7 @@ impl<T, const N: usize> [T; N] {
     /// assert_eq!(floats, [0.0, 2.7, -1.0]);
     /// ```
     #[stable(feature = "array_methods", since = "1.77.0")]
-    #[rustc_const_stable(feature = "const_array_each_ref", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_array_each_ref", since = "1.91.0")]
     pub const fn each_mut(&mut self) -> [&mut T; N] {
         let mut buf = [null_mut::<T>(); N];
 

core/src/cell.rs

@@ -705,8 +705,8 @@ impl<T, const N: usize> Cell<[T; N]> {
     /// let cell_array: &Cell<[i32; 3]> = Cell::from_mut(&mut array);
     /// let array_cell: &[Cell<i32>; 3] = cell_array.as_array_of_cells();
     /// ```
-    #[stable(feature = "as_array_of_cells", since = "CURRENT_RUSTC_VERSION")]
-    #[rustc_const_stable(feature = "as_array_of_cells", since = "CURRENT_RUSTC_VERSION")]
+    #[stable(feature = "as_array_of_cells", since = "1.91.0")]
+    #[rustc_const_stable(feature = "as_array_of_cells", since = "1.91.0")]
     pub const fn as_array_of_cells(&self) -> &[Cell<T>; N] {
         // SAFETY: `Cell<T>` has the same memory layout as `T`.
         unsafe { &*(self as *const Cell<[T; N]> as *const [Cell<T>; N]) }

core/src/iter/adapters/chain.rs

@@ -60,7 +60,7 @@ impl<A, B> Chain<A, B> {
 /// assert_eq!(iter.next(), Some(6));
 /// assert_eq!(iter.next(), None);
 /// ```
-#[stable(feature = "iter_chain", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "iter_chain", since = "1.91.0")]
 pub fn chain<A, B>(a: A, b: B) -> Chain<A::IntoIter, B::IntoIter>
 where
     A: IntoIterator,

core/src/iter/adapters/mod.rs

@@ -32,7 +32,7 @@ mod zip;
 pub use self::array_chunks::ArrayChunks;
 #[unstable(feature = "std_internals", issue = "none")]
 pub use self::by_ref_sized::ByRefSized;
-#[stable(feature = "iter_chain", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "iter_chain", since = "1.91.0")]
 pub use self::chain::chain;
 #[stable(feature = "iter_cloned", since = "1.1.0")]
 pub use self::cloned::Cloned;