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Rollup merge of #92981 - RalfJung:const_ptr_offset_from, r=dtolnay

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fix const_ptr_offset_from tracking issue

The old tracking issue #41079 was for exposing those functions at all, and got closed when they were stabilized. We had nothing tracking their `const`ness so I opened a new tracking issue: https://github.com/rust-lang/rust/issues/92980.
This commit is contained in:
Matthias Krüger 2022-01-17 06:08:19 +01:00 committed by GitHub
parent 7bdd978c24 bb1423e019
commit 9612038a7e
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3 changed files with 3 additions and 3 deletions
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2
library/core/src/intrinsics.rs
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@ -1893,7 +1893,7 @@ extern "rust-intrinsic" {
pub fn nontemporal_store<T>(ptr: *mut T, val: T);
/// See documentation of `<*const T>::offset_from` for details.
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "41079")]
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "92980")]
pub fn ptr_offset_from<T>(ptr: *const T, base: *const T) -> isize;
/// See documentation of `<*const T>::guaranteed_eq` for details.

2
library/core/src/ptr/const_ptr.rs
View file

@ -439,7 +439,7 @@ impl<T: ?Sized> *const T {
/// }
/// ```
#[stable(feature = "ptr_offset_from", since = "1.47.0")]
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "41079")]
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "92980")]
#[inline]
pub const unsafe fn offset_from(self, origin: *const T) -> isize
where

2
library/core/src/ptr/mut_ptr.rs
View file

@ -617,7 +617,7 @@ impl<T: ?Sized> *mut T {
/// }
/// ```
#[stable(feature = "ptr_offset_from", since = "1.47.0")]
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "41079")]
#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "92980")]
#[inline(always)]
pub const unsafe fn offset_from(self, origin: *const T) -> isize
where