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intrinsics: deprecate calling them via the unstable std::intrinsics path

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This commit is contained in:
Ralf Jung
2025-01-01 20:22:59 +01:00
parent cf0ab86251
commit f1c95c9000
7 changed files with 61 additions and 36 deletions
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24
library/core/src/intrinsics/mod.rs
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@@ -1897,7 +1897,11 @@ pub const fn forget<T: ?Sized>(_: T) {
/// }
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_allowed_through_unstable_modules]
#[cfg_attr(bootstrap, rustc_allowed_through_unstable_modules)]
#[cfg_attr(
not(bootstrap),
rustc_allowed_through_unstable_modules = "import this function via `std::mem` instead"
)]
#[rustc_const_stable(feature = "const_transmute", since = "1.56.0")]
#[rustc_diagnostic_item = "transmute"]
#[rustc_nounwind]
@@ -4325,7 +4329,11 @@ pub const fn ptr_metadata<P: ptr::Pointee<Metadata = M> + ?Sized, M>(_ptr: *cons
/// [`Vec::append`]: ../../std/vec/struct.Vec.html#method.append
#[doc(alias = "memcpy")]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_allowed_through_unstable_modules]
#[cfg_attr(bootstrap, rustc_allowed_through_unstable_modules)]
#[cfg_attr(
not(bootstrap),
rustc_allowed_through_unstable_modules = "import this function via `std::mem` instead"
)]
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
#[inline(always)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -4429,7 +4437,11 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us
/// ```
#[doc(alias = "memmove")]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_allowed_through_unstable_modules]
#[cfg_attr(bootstrap, rustc_allowed_through_unstable_modules)]
#[cfg_attr(
not(bootstrap),
rustc_allowed_through_unstable_modules = "import this function via `std::mem` instead"
)]
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
#[inline(always)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
@@ -4512,7 +4524,11 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
/// ```
#[doc(alias = "memset")]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_allowed_through_unstable_modules]
#[cfg_attr(bootstrap, rustc_allowed_through_unstable_modules)]
#[cfg_attr(
not(bootstrap),
rustc_allowed_through_unstable_modules = "import this function via `std::mem` instead"
)]
#[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
#[inline(always)]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces