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-rw-r--r--compiler/rustc_codegen_cranelift/example/std_example.rs1
-rw-r--r--compiler/rustc_codegen_gcc/example/std_example.rs2
-rw-r--r--compiler/rustc_hir_analysis/src/lib.rs1
-rw-r--r--compiler/rustc_lint_defs/src/builtin.rs12
-rw-r--r--compiler/rustc_mir_transform/src/lib.rs1
-rw-r--r--compiler/rustc_monomorphize/src/lib.rs1
-rw-r--r--library/alloc/src/lib.rs1
-rw-r--r--library/core/src/iter/traits/iterator.rs12
-rw-r--r--library/core/src/slice/mod.rs11
-rw-r--r--library/core/tests/lib.rs1
-rw-r--r--src/doc/unstable-book/src/library-features/is-sorted.md11
-rw-r--r--src/tools/clippy/clippy_lints/src/lib.rs1
-rw-r--r--src/tools/clippy/tests/compile-test.rs1
-rw-r--r--src/tools/clippy/tests/ui/unit_return_expecting_ord.rs1
-rw-r--r--src/tools/clippy/tests/ui/unit_return_expecting_ord.stderr12
-rw-r--r--tests/ui/array-slice-vec/slice_is_sorted_by_borrow.rs2
-rw-r--r--tests/ui/feature-gates/feature-gate-is_sorted.rs13
-rw-r--r--tests/ui/feature-gates/feature-gate-is_sorted.stderr43
18 files changed, 21 insertions, 106 deletions
diff --git a/compiler/rustc_codegen_cranelift/example/std_example.rs b/compiler/rustc_codegen_cranelift/example/std_example.rs
index 6cedd84adfe..e99763e2722 100644
--- a/compiler/rustc_codegen_cranelift/example/std_example.rs
+++ b/compiler/rustc_codegen_cranelift/example/std_example.rs
@@ -3,7 +3,6 @@
     coroutines,
     stmt_expr_attributes,
     coroutine_trait,
-    is_sorted,
     repr_simd,
     tuple_trait,
     unboxed_closures
diff --git a/compiler/rustc_codegen_gcc/example/std_example.rs b/compiler/rustc_codegen_gcc/example/std_example.rs
index 8ab8fcc525e..9e43b4635f0 100644
--- a/compiler/rustc_codegen_gcc/example/std_example.rs
+++ b/compiler/rustc_codegen_gcc/example/std_example.rs
@@ -1,5 +1,5 @@
 #![allow(internal_features)]
-#![feature(core_intrinsics, coroutines, coroutine_trait, is_sorted, stmt_expr_attributes)]
+#![feature(core_intrinsics, coroutines, coroutine_trait, stmt_expr_attributes)]
 
 #[cfg(feature="master")]
 #[cfg(target_arch="x86_64")]
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index dd7fbba753b..89b981ab80d 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -64,7 +64,6 @@ This API is completely unstable and subject to change.
 #![doc(rust_logo)]
 #![feature(control_flow_enum)]
 #![feature(if_let_guard)]
-#![feature(is_sorted)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
 #![feature(never_type)]
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index 5d4cc7561a6..c4158cccca4 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -1984,14 +1984,18 @@ declare_lint! {
     ///
     /// ```rust
     /// trait MyIterator : Iterator {
-    ///     // is_sorted is an unstable method that already exists on the Iterator trait
-    ///     fn is_sorted(self) -> bool where Self: Sized {true}
+    ///     // is_partitioned is an unstable method that already exists on the Iterator trait
+    ///     fn is_partitioned<P>(self, predicate: P) -> bool
+    ///     where
+    ///         Self: Sized,
+    ///         P: FnMut(Self::Item) -> bool,
+    ///     {true}
     /// }
     ///
     /// impl<T: ?Sized> MyIterator for T where T: Iterator { }
     ///
     /// let x = vec![1, 2, 3];
-    /// let _ = x.iter().is_sorted();
+    /// let _ = x.iter().is_partitioned(|_| true);
     /// ```
     ///
     /// {{produces}}
@@ -2007,7 +2011,7 @@ declare_lint! {
     /// is an early-warning to let you know that there may be a collision in
     /// the future. This can be avoided by adding type annotations to
     /// disambiguate which trait method you intend to call, such as
-    /// `MyIterator::is_sorted(my_iter)` or renaming or removing the method.
+    /// `MyIterator::is_partitioned(my_iter, my_predicate)` or renaming or removing the method.
     ///
     /// [nightly channel]: https://doc.rust-lang.org/book/appendix-07-nightly-rust.html
     /// [`feature` attribute]: https://doc.rust-lang.org/nightly/unstable-book/
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index 5d253d7384d..243c9c6a2fd 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -6,7 +6,6 @@
 #![feature(decl_macro)]
 #![feature(if_let_guard)]
 #![feature(impl_trait_in_assoc_type)]
-#![feature(is_sorted)]
 #![feature(let_chains)]
 #![feature(map_try_insert)]
 #![feature(never_type)]
diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs
index fc6e8e0d14f..3b8f0a91e74 100644
--- a/compiler/rustc_monomorphize/src/lib.rs
+++ b/compiler/rustc_monomorphize/src/lib.rs
@@ -1,6 +1,5 @@
 // tidy-alphabetical-start
 #![feature(array_windows)]
-#![feature(is_sorted)]
 // tidy-alphabetical-end
 
 use rustc_hir::lang_items::LangItem;
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index 4491a717dc2..49036077e2e 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -92,7 +92,6 @@
 // tidy-alphabetical-start
 #![cfg_attr(not(no_global_oom_handling), feature(const_alloc_error))]
 #![cfg_attr(not(no_global_oom_handling), feature(const_btree_len))]
-#![cfg_attr(test, feature(is_sorted))]
 #![cfg_attr(test, feature(new_uninit))]
 #![feature(alloc_layout_extra)]
 #![feature(allocator_api)]
diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs
index 469097e4847..c85a61ada3d 100644
--- a/library/core/src/iter/traits/iterator.rs
+++ b/library/core/src/iter/traits/iterator.rs
@@ -3951,8 +3951,6 @@ pub trait Iterator {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
-    ///
     /// assert!([1, 2, 2, 9].iter().is_sorted());
     /// assert!(![1, 3, 2, 4].iter().is_sorted());
     /// assert!([0].iter().is_sorted());
@@ -3960,7 +3958,7 @@ pub trait Iterator {
     /// assert!(![0.0, 1.0, f32::NAN].iter().is_sorted());
     /// ```
     #[inline]
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[rustc_do_not_const_check]
     fn is_sorted(self) -> bool
     where
@@ -3978,8 +3976,6 @@ pub trait Iterator {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
-    ///
     /// assert!([1, 2, 2, 9].iter().is_sorted_by(|a, b| a <= b));
     /// assert!(![1, 2, 2, 9].iter().is_sorted_by(|a, b| a < b));
     ///
@@ -3989,7 +3985,7 @@ pub trait Iterator {
     /// assert!(std::iter::empty::<i32>().is_sorted_by(|a, b| false));
     /// assert!(std::iter::empty::<i32>().is_sorted_by(|a, b| true));
     /// ```
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[rustc_do_not_const_check]
     fn is_sorted_by<F>(mut self, compare: F) -> bool
     where
@@ -4030,13 +4026,11 @@ pub trait Iterator {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
-    ///
     /// assert!(["c", "bb", "aaa"].iter().is_sorted_by_key(|s| s.len()));
     /// assert!(![-2i32, -1, 0, 3].iter().is_sorted_by_key(|n| n.abs()));
     /// ```
     #[inline]
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[rustc_do_not_const_check]
     fn is_sorted_by_key<F, K>(self, f: F) -> bool
     where
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index 6d3e625bef4..201e1284b70 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -4069,7 +4069,6 @@ impl<T> [T] {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
     /// let empty: [i32; 0] = [];
     ///
     /// assert!([1, 2, 2, 9].is_sorted());
@@ -4079,7 +4078,7 @@ impl<T> [T] {
     /// assert!(![0.0, 1.0, f32::NAN].is_sorted());
     /// ```
     #[inline]
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
     pub fn is_sorted(&self) -> bool
     where
@@ -4096,8 +4095,6 @@ impl<T> [T] {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
-    ///
     /// assert!([1, 2, 2, 9].is_sorted_by(|a, b| a <= b));
     /// assert!(![1, 2, 2, 9].is_sorted_by(|a, b| a < b));
     ///
@@ -4108,7 +4105,7 @@ impl<T> [T] {
     /// assert!(empty.is_sorted_by(|a, b| false));
     /// assert!(empty.is_sorted_by(|a, b| true));
     /// ```
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
     pub fn is_sorted_by<'a, F>(&'a self, mut compare: F) -> bool
     where
@@ -4128,13 +4125,11 @@ impl<T> [T] {
     /// # Examples
     ///
     /// ```
-    /// #![feature(is_sorted)]
-    ///
     /// assert!(["c", "bb", "aaa"].is_sorted_by_key(|s| s.len()));
     /// assert!(![-2i32, -1, 0, 3].is_sorted_by_key(|n| n.abs()));
     /// ```
     #[inline]
-    #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")]
+    #[stable(feature = "is_sorted", since = "CURRENT_RUSTC_VERSION")]
     #[must_use]
     pub fn is_sorted_by_key<'a, F, K>(&'a self, f: F) -> bool
     where
diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs
index 4c225187882..51d57c9e37d 100644
--- a/library/core/tests/lib.rs
+++ b/library/core/tests/lib.rs
@@ -44,7 +44,6 @@
 #![feature(hasher_prefixfree_extras)]
 #![feature(hashmap_internals)]
 #![feature(try_find)]
-#![feature(is_sorted)]
 #![feature(layout_for_ptr)]
 #![feature(pattern)]
 #![feature(slice_take)]
diff --git a/src/doc/unstable-book/src/library-features/is-sorted.md b/src/doc/unstable-book/src/library-features/is-sorted.md
deleted file mode 100644
index e3b7dc3b28e..00000000000
--- a/src/doc/unstable-book/src/library-features/is-sorted.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# `is_sorted`
-
-The tracking issue for this feature is: [#53485]
-
-[#53485]: https://github.com/rust-lang/rust/issues/53485
-
-------------------------
-
-Add the methods `is_sorted`, `is_sorted_by` and `is_sorted_by_key` to `[T]`;
-add the methods `is_sorted`, `is_sorted_by` and `is_sorted_by_key` to
-`Iterator`.
diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs
index 917d9d36076..22d23a17509 100644
--- a/src/tools/clippy/clippy_lints/src/lib.rs
+++ b/src/tools/clippy/clippy_lints/src/lib.rs
@@ -5,7 +5,6 @@
 #![feature(f128)]
 #![feature(f16)]
 #![feature(if_let_guard)]
-#![feature(is_sorted)]
 #![feature(iter_intersperse)]
 #![feature(iter_partition_in_place)]
 #![feature(let_chains)]
diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs
index ea3a0a93ecc..4e5120406b0 100644
--- a/src/tools/clippy/tests/compile-test.rs
+++ b/src/tools/clippy/tests/compile-test.rs
@@ -1,4 +1,3 @@
-#![feature(is_sorted)]
 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 #![allow(unused_extern_crates)]
diff --git a/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs b/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs
index 59b2f7e355b..5f62157dd6d 100644
--- a/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs
+++ b/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs
@@ -2,7 +2,6 @@
 #![allow(clippy::needless_return)]
 #![allow(clippy::unused_unit)]
 #![allow(clippy::useless_vec)]
-#![feature(is_sorted)]
 
 struct Struct {
     field: isize,
diff --git a/src/tools/clippy/tests/ui/unit_return_expecting_ord.stderr b/src/tools/clippy/tests/ui/unit_return_expecting_ord.stderr
index b2fc8857015..329832048e8 100644
--- a/src/tools/clippy/tests/ui/unit_return_expecting_ord.stderr
+++ b/src/tools/clippy/tests/ui/unit_return_expecting_ord.stderr
@@ -1,11 +1,11 @@
 error: this closure returns the unit type which also implements Ord
-  --> tests/ui/unit_return_expecting_ord.rs:19:25
+  --> tests/ui/unit_return_expecting_ord.rs:18:25
    |
 LL |     structs.sort_by_key(|s| {
    |                         ^^^
    |
 help: probably caused by this trailing semicolon
-  --> tests/ui/unit_return_expecting_ord.rs:21:24
+  --> tests/ui/unit_return_expecting_ord.rs:20:24
    |
 LL |         double(s.field);
    |                        ^
@@ -13,25 +13,25 @@ LL |         double(s.field);
    = help: to override `-D warnings` add `#[allow(clippy::unit_return_expecting_ord)]`
 
 error: this closure returns the unit type which also implements PartialOrd
-  --> tests/ui/unit_return_expecting_ord.rs:24:30
+  --> tests/ui/unit_return_expecting_ord.rs:23:30
    |
 LL |     structs.is_sorted_by_key(|s| {
    |                              ^^^
    |
 help: probably caused by this trailing semicolon
-  --> tests/ui/unit_return_expecting_ord.rs:26:24
+  --> tests/ui/unit_return_expecting_ord.rs:25:24
    |
 LL |         double(s.field);
    |                        ^
 
 error: this closure returns the unit type which also implements PartialOrd
-  --> tests/ui/unit_return_expecting_ord.rs:28:30
+  --> tests/ui/unit_return_expecting_ord.rs:27:30
    |
 LL |     structs.is_sorted_by_key(|s| {
    |                              ^^^
 
 error: this closure returns the unit type which also implements Ord
-  --> tests/ui/unit_return_expecting_ord.rs:39:25
+  --> tests/ui/unit_return_expecting_ord.rs:38:25
    |
 LL |     structs.sort_by_key(|s| unit(s.field));
    |                         ^^^
diff --git a/tests/ui/array-slice-vec/slice_is_sorted_by_borrow.rs b/tests/ui/array-slice-vec/slice_is_sorted_by_borrow.rs
index 31f59f8f724..6ac90953a05 100644
--- a/tests/ui/array-slice-vec/slice_is_sorted_by_borrow.rs
+++ b/tests/ui/array-slice-vec/slice_is_sorted_by_borrow.rs
@@ -1,8 +1,6 @@
 //@ check-pass
 // regression test for https://github.com/rust-lang/rust/issues/53485#issuecomment-885393452
 
-#![feature(is_sorted)]
-
 struct A {
     name: String,
 }
diff --git a/tests/ui/feature-gates/feature-gate-is_sorted.rs b/tests/ui/feature-gates/feature-gate-is_sorted.rs
deleted file mode 100644
index 359ed835bcb..00000000000
--- a/tests/ui/feature-gates/feature-gate-is_sorted.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-fn main() {
-    // Assert `Iterator` methods are unstable
-    assert!([1, 2, 2, 9].iter().is_sorted());
-    //~^ ERROR: use of unstable library feature 'is_sorted': new API
-    assert!(![-2i32, -1, 0, 3].iter().is_sorted_by_key(|n| n.abs()));
-    //~^ ERROR: use of unstable library feature 'is_sorted': new API
-
-    // Assert `[T]` methods are unstable
-    assert!([1, 2, 2, 9].is_sorted());
-    //~^ ERROR: use of unstable library feature 'is_sorted': new API
-    assert!(![-2i32, -1, 0, 3].is_sorted_by_key(|n| n.abs()));
-    //~^ ERROR: use of unstable library feature 'is_sorted': new API
-}
diff --git a/tests/ui/feature-gates/feature-gate-is_sorted.stderr b/tests/ui/feature-gates/feature-gate-is_sorted.stderr
deleted file mode 100644
index f3e87659b02..00000000000
--- a/tests/ui/feature-gates/feature-gate-is_sorted.stderr
+++ /dev/null
@@ -1,43 +0,0 @@
-error[E0658]: use of unstable library feature 'is_sorted': new API
-  --> $DIR/feature-gate-is_sorted.rs:3:33
-   |
-LL |     assert!([1, 2, 2, 9].iter().is_sorted());
-   |                                 ^^^^^^^^^
-   |
-   = note: see issue #53485 <https://github.com/rust-lang/rust/issues/53485> for more information
-   = help: add `#![feature(is_sorted)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: use of unstable library feature 'is_sorted': new API
-  --> $DIR/feature-gate-is_sorted.rs:5:39
-   |
-LL |     assert!(![-2i32, -1, 0, 3].iter().is_sorted_by_key(|n| n.abs()));
-   |                                       ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #53485 <https://github.com/rust-lang/rust/issues/53485> for more information
-   = help: add `#![feature(is_sorted)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: use of unstable library feature 'is_sorted': new API
-  --> $DIR/feature-gate-is_sorted.rs:9:26
-   |
-LL |     assert!([1, 2, 2, 9].is_sorted());
-   |                          ^^^^^^^^^
-   |
-   = note: see issue #53485 <https://github.com/rust-lang/rust/issues/53485> for more information
-   = help: add `#![feature(is_sorted)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: use of unstable library feature 'is_sorted': new API
-  --> $DIR/feature-gate-is_sorted.rs:11:32
-   |
-LL |     assert!(![-2i32, -1, 0, 3].is_sorted_by_key(|n| n.abs()));
-   |                                ^^^^^^^^^^^^^^^^
-   |
-   = note: see issue #53485 <https://github.com/rust-lang/rust/issues/53485> for more information
-   = help: add `#![feature(is_sorted)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error: aborting due to 4 previous errors
-
-For more information about this error, try `rustc --explain E0658`.
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-03 11:25:06 +0000