rename core_intrinsics feature to core_intrinsics_internal so that it is considered 'internal'

Author: RalfJung

compiler/rustc_arena/src/lib.rs

@@ -13,7 +13,7 @@
 )]
 #![doc(rust_logo)]
 #![feature(rustdoc_internals)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(dropck_eyepatch)]
 #![feature(new_uninit)]
 #![feature(maybe_uninit_slice)]

compiler/rustc_builtin_macros/src/deriving/generic/mod.rs

@@ -1127,7 +1127,7 @@ impl<'a> MethodDef<'a> {
     /// is equivalent to:
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     /// enum A {
     ///     A1,
     ///     A2(i32)

compiler/rustc_codegen_cranelift/example/alloc_example.rs

@@ -1,4 +1,4 @@
-#![feature(start, core_intrinsics, alloc_error_handler, lang_items)]
+#![feature(start, core_intrinsics_internal, alloc_error_handler, lang_items)]
 #![no_std]
 
 extern crate alloc;

compiler/rustc_codegen_cranelift/example/mod_bench.rs

@@ -1,4 +1,4 @@
-#![feature(start, core_intrinsics, lang_items)]
+#![feature(start, core_intrinsics_internal, lang_items)]
 #![no_std]
 
 #[cfg_attr(unix, link(name = "c"))]

compiler/rustc_codegen_cranelift/example/std_example.rs

@@ -1,5 +1,5 @@
 #![feature(
-    core_intrinsics,
+    core_intrinsics_internal,
     coroutines,
     coroutine_trait,
     is_sorted,

compiler/rustc_codegen_gcc/example/alloc_example.rs

@@ -1,4 +1,4 @@
-#![feature(start, core_intrinsics, alloc_error_handler, lang_items)]
+#![feature(start, core_intrinsics_internal, alloc_error_handler, lang_items)]
 #![no_std]
 #![allow(internal_features)]
 

compiler/rustc_codegen_gcc/example/mod_bench.rs

@@ -1,4 +1,4 @@
-#![feature(start, core_intrinsics, lang_items)]
+#![feature(start, core_intrinsics_internal, lang_items)]
 #![no_std]
 #![allow(internal_features)]
 

compiler/rustc_codegen_gcc/example/std_example.rs

@@ -1,4 +1,4 @@
-#![feature(core_intrinsics, coroutines, coroutine_trait, is_sorted)]
+#![feature(core_intrinsics_internal, coroutines, coroutine_trait, is_sorted)]
 
 #[cfg(feature="master")]
 #[cfg(target_arch="x86_64")]

compiler/rustc_data_structures/src/lib.rs

@@ -20,7 +20,7 @@
 #![feature(auto_traits)]
 #![feature(cell_leak)]
 #![feature(cfg_match)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(extend_one)]
 #![feature(hash_raw_entry)]
 #![feature(hasher_prefixfree_extras)]

compiler/rustc_middle/src/lib.rs

@@ -29,7 +29,7 @@
 #![feature(array_windows)]
 #![feature(assert_matches)]
 #![feature(box_patterns)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(discriminant_kind)]
 #![feature(exhaustive_patterns)]
 #![feature(coroutines)]

compiler/rustc_query_system/src/lib.rs

@@ -1,5 +1,5 @@
 #![feature(assert_matches)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(hash_raw_entry)]
 #![feature(min_specialization)]
 #![feature(let_chains)]

compiler/rustc_serialize/src/lib.rs

@@ -11,7 +11,7 @@
 #![feature(allocator_api)]
 #![feature(associated_type_bounds)]
 #![feature(const_option)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(inline_const)]
 #![feature(min_specialization)]
 #![feature(never_type)]

library/alloc/src/lib.rs

@@ -119,7 +119,7 @@
 #![feature(const_refs_to_cell)]
 #![feature(const_size_of_val)]
 #![feature(const_waker)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(core_panic)]
 #![feature(deprecated_suggestion)]
 #![feature(dispatch_from_dyn)]

library/alloc/tests/lib.rs

@@ -9,7 +9,7 @@
 #![feature(const_slice_from_raw_parts_mut)]
 #![feature(const_ptr_write)]
 #![feature(const_try)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(extract_if)]
 #![feature(exact_size_is_empty)]
 #![feature(linked_list_cursors)]

library/core/src/clone.rs

@@ -174,7 +174,7 @@ pub trait Clone: Sized {
 /// Derive macro generating an impl of the trait `Clone`.
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics, derive_clone_copy)]
+#[allow_internal_unstable(core_intrinsics_internal, derive_clone_copy)]
 pub macro Clone($item:item) {
     /* compiler built-in */
 }

library/core/src/cmp.rs

@@ -245,7 +245,7 @@ pub trait PartialEq<Rhs: ?Sized = Self> {
 /// The behavior of this macro is described in detail [here](PartialEq#derivable).
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics, structural_match)]
+#[allow_internal_unstable(core_intrinsics_internal, structural_match)]
 pub macro PartialEq($item:item) {
     /* compiler built-in */
 }
@@ -320,7 +320,7 @@ pub trait Eq: PartialEq<Self> {
 /// Derive macro generating an impl of the trait [`Eq`].
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics, derive_eq, structural_match)]
+#[allow_internal_unstable(core_intrinsics_internal, derive_eq, structural_match)]
 #[allow_internal_unstable(coverage_attribute)]
 pub macro Eq($item:item) {
     /* compiler built-in */
@@ -888,7 +888,7 @@ pub trait Ord: Eq + PartialOrd<Self> {
 /// The behavior of this macro is described in detail [here](Ord#derivable).
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics)]
+#[allow_internal_unstable(core_intrinsics_internal)]
 pub macro Ord($item:item) {
     /* compiler built-in */
 }
@@ -1178,7 +1178,7 @@ pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> {
 /// The behavior of this macro is described in detail [here](PartialOrd#derivable).
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics)]
+#[allow_internal_unstable(core_intrinsics_internal)]
 pub macro PartialOrd($item:item) {
     /* compiler built-in */
 }

library/core/src/default.rs

@@ -137,7 +137,7 @@ pub trait Default: Sized {
 /// Derive macro generating an impl of the trait `Default`.
 #[rustc_builtin_macro(Default, attributes(default))]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics)]
+#[allow_internal_unstable(core_intrinsics_internal)]
 pub macro Default($item:item) {
     /* compiler built-in */
 }

library/core/src/fmt/mod.rs

@@ -608,7 +608,7 @@ pub(crate) mod macros {
     /// Derive macro generating an impl of the trait `Debug`.
     #[rustc_builtin_macro]
     #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-    #[allow_internal_unstable(core_intrinsics, fmt_helpers_for_derive)]
+    #[allow_internal_unstable(core_intrinsics_internal, fmt_helpers_for_derive)]
     pub macro Debug($item:item) {
         /* compiler built-in */
     }

library/core/src/hash/mod.rs

@@ -250,7 +250,7 @@ pub(crate) mod macros {
     /// Derive macro generating an impl of the trait `Hash`.
     #[rustc_builtin_macro]
     #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-    #[allow_internal_unstable(core_intrinsics)]
+    #[allow_internal_unstable(core_intrinsics_internal)]
     pub macro Hash($item:item) {
         /* compiler built-in */
     }

library/core/src/intrinsics.rs

@@ -46,7 +46,7 @@
 //!   with atomic types and is equivalent to Java's `volatile`.
 
 #![unstable(
-    feature = "core_intrinsics",
+    feature = "core_intrinsics_internal",
     reason = "intrinsics are unlikely to ever be stabilized, instead \
                       they should be used through stabilized interfaces \
                       in the rest of the standard library",
@@ -1899,7 +1899,7 @@ extern "rust-intrinsic" {
     /// # Examples
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::ctlz;
     ///
@@ -1911,7 +1911,7 @@ extern "rust-intrinsic" {
     /// An `x` with value `0` will return the bit width of `T`.
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::ctlz;
     ///
@@ -1932,7 +1932,7 @@ extern "rust-intrinsic" {
     /// # Examples
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::ctlz_nonzero;
     ///
@@ -1958,7 +1958,7 @@ extern "rust-intrinsic" {
     /// # Examples
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::cttz;
     ///
@@ -1970,7 +1970,7 @@ extern "rust-intrinsic" {
     /// An `x` with value `0` will return the bit width of `T`:
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::cttz;
     ///
@@ -1991,7 +1991,7 @@ extern "rust-intrinsic" {
     /// # Examples
     ///
     /// ```
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     ///
     /// use std::intrinsics::cttz_nonzero;
     ///
@@ -2452,7 +2452,7 @@ extern "rust-intrinsic" {
     /// Here is an example of how this could cause a problem:
     /// ```no_run
     /// #![feature(const_eval_select)]
-    /// #![feature(core_intrinsics)]
+    /// #![feature(core_intrinsics_internal)]
     /// use std::hint::unreachable_unchecked;
     /// use std::intrinsics::const_eval_select;
     ///

library/core/src/intrinsics/mir.rs

@@ -13,7 +13,7 @@
 //! Typical usage will look like this:
 //!
 //! ```rust
-//! #![feature(core_intrinsics, custom_mir)]
+//! #![feature(core_intrinsics_internal, custom_mir)]
 //! #![allow(internal_features)]
 //!
 //! use core::intrinsics::mir::*;
@@ -63,7 +63,7 @@
 //! # Examples
 //!
 //! ```rust
-//! #![feature(core_intrinsics, custom_mir)]
+//! #![feature(core_intrinsics_internal, custom_mir)]
 //! #![allow(internal_features)]
 //!
 //! use core::intrinsics::mir::*;
@@ -144,7 +144,7 @@
 //! compiler:
 //!
 //! ```rust,compile_fail
-//! #![feature(core_intrinsics, custom_mir)]
+//! #![feature(core_intrinsics_internal, custom_mir)]
 //!
 //! extern crate core;
 //! use core::intrinsics::mir::*;
@@ -363,7 +363,7 @@ define!(
     ///
     /// ```rust
     /// #![allow(internal_features)]
-    /// #![feature(custom_mir, core_intrinsics)]
+    /// #![feature(custom_mir, core_intrinsics_internal)]
     ///
     /// use core::intrinsics::mir::*;
     ///

library/core/src/macros/mod.rs

@@ -1683,7 +1683,7 @@ pub(crate) mod builtin {
     /// Unstable implementation detail of the `rustc` compiler, do not use.
     #[rustc_builtin_macro]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[allow_internal_unstable(core_intrinsics, libstd_sys_internals, rt)]
+    #[allow_internal_unstable(core_intrinsics_internal, libstd_sys_internals, rt)]
     #[deprecated(since = "1.52.0", note = "rustc-serialize is deprecated and no longer supported")]
     #[doc(hidden)] // While technically stable, using it is unstable, and deprecated. Hide it.
     pub macro RustcDecodable($item:item) {
@@ -1693,7 +1693,7 @@ pub(crate) mod builtin {
     /// Unstable implementation detail of the `rustc` compiler, do not use.
     #[rustc_builtin_macro]
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[allow_internal_unstable(core_intrinsics, rt)]
+    #[allow_internal_unstable(core_intrinsics_internal, rt)]
     #[deprecated(since = "1.52.0", note = "rustc-serialize is deprecated and no longer supported")]
     #[doc(hidden)] // While technically stable, using it is unstable, and deprecated. Hide it.
     pub macro RustcEncodable($item:item) {

library/core/src/marker.rs

@@ -476,7 +476,7 @@ pub trait Copy: Clone {
 /// Derive macro generating an impl of the trait `Copy`.
 #[rustc_builtin_macro]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-#[allow_internal_unstable(core_intrinsics, derive_clone_copy)]
+#[allow_internal_unstable(core_intrinsics_internal, derive_clone_copy)]
 pub macro Copy($item:item) {
     /* compiler built-in */
 }

library/core/src/panic.rs

@@ -67,7 +67,7 @@ pub macro panic_2021 {
 #[unstable(feature = "edition_panic", issue = "none", reason = "use panic!() instead")]
 #[allow_internal_unstable(
     core_panic,
-    core_intrinsics,
+    core_intrinsics_internal,
     const_dispatch,
     const_eval_select,
     const_format_args,

library/core/tests/lib.rs

@@ -22,7 +22,7 @@
 #![feature(const_trait_impl)]
 #![feature(const_likely)]
 #![feature(const_location_fields)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(core_io_borrowed_buf)]
 #![feature(core_private_bignum)]
 #![feature(core_private_diy_float)]

library/panic_abort/src/lib.rs

@@ -8,7 +8,7 @@
 #![doc(issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")]
 #![panic_runtime]
 #![allow(unused_features)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(panic_runtime)]
 #![feature(std_internals)]
 #![feature(staged_api)]

library/panic_unwind/src/lib.rs

@@ -14,7 +14,7 @@
 #![no_std]
 #![unstable(feature = "panic_unwind", issue = "32837")]
 #![doc(issue_tracker_base_url = "https://github.com/rust-lang/rust/issues/")]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(lang_items)]
 #![feature(panic_unwind)]
 #![feature(staged_api)]

library/std/src/lib.rs

@@ -309,7 +309,7 @@
 // Library features (core):
 // tidy-alphabetical-start
 #![feature(char_internals)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 #![feature(core_io_borrowed_buf)]
 #![feature(duration_constants)]
 #![feature(error_generic_member_access)]

src/doc/unstable-book/src/language-features/lang-items.md

@@ -46,7 +46,7 @@ allocation. A freestanding program that uses the `Box` sugar for dynamic
 allocations via `malloc` and `free`:
 
 ```rust,ignore (libc-is-finicky)
-#![feature(lang_items, start, core_intrinsics, rustc_private, panic_unwind, rustc_attrs)]
+#![feature(lang_items, start, core_intrinsics_internal, rustc_private, panic_unwind, rustc_attrs)]
 #![allow(internal_features)]
 #![no_std]
 

src/tools/clippy/tests/ui/cast_alignment.rs

@@ -1,7 +1,7 @@
 //! Test casts for alignment issues
 
 #![feature(rustc_private)]
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 extern crate libc;
 
 #[warn(clippy::cast_ptr_alignment)]

src/tools/miri/tests/fail/breakpoint.rs

@@ -1,4 +1,4 @@
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 
 fn main() {
     unsafe {

src/tools/miri/tests/fail/fast_math_both.rs

@@ -1,4 +1,4 @@
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 
 fn main() {
     unsafe {

src/tools/miri/tests/fail/fast_math_first.rs

@@ -1,4 +1,4 @@
-#![feature(core_intrinsics)]
+#![feature(core_intrinsics_internal)]
 
 fn main() {
     unsafe {