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Rollup merge of #145467 - Kivooeo:stabilize-strict_provenance_atomic_ptr, r=scottmcm
Stabilize `strict_provenance_atomic_ptr` feature This closes [tracking issue](#99108) and stabilises `AtomicPtr::{fetch_ptr_add, fetch_ptr_sub, fetch_byte_add, fetch_byte_sub, fetch_or, fetch_and, fetch_xor}` --- EDIT: FCP completed at #99108 (comment)
2 parents 19ae976 + b951b5d commit ed9e767

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‎library/core/src/sync/atomic.rs

Lines changed: 7 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -2199,7 +2199,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
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///
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/// ```
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/// #![feature(strict_provenance_atomic_ptr)]
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/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
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/// let atom = AtomicPtr::<i64>::new(core::ptr::null_mut());
@@ -2209,7 +2208,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
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#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
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#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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pub fn fetch_ptr_add(&self, val: usize, order: Ordering) -> *mut T {
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self.fetch_byte_add(val.wrapping_mul(size_of::<T>()), order)
@@ -2240,7 +2239,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
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///
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/// ```
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/// #![feature(strict_provenance_atomic_ptr)]
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/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
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/// let array = [1i32, 2i32];
@@ -2254,7 +2252,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
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#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
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#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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pub fn fetch_ptr_sub(&self, val: usize, order: Ordering) -> *mut T {
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self.fetch_byte_sub(val.wrapping_mul(size_of::<T>()), order)
@@ -2279,7 +2277,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
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///
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/// ```
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/// #![feature(strict_provenance_atomic_ptr)]
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/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
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/// let atom = AtomicPtr::<i64>::new(core::ptr::null_mut());
@@ -2289,7 +2286,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
2292-
#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
2289+
#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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pub fn fetch_byte_add(&self, val: usize, order: Ordering) -> *mut T {
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// SAFETY: data races are prevented by atomic intrinsics.
@@ -2315,7 +2312,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
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///
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/// ```
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/// #![feature(strict_provenance_atomic_ptr)]
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/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
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/// let mut arr = [0i64, 1];
@@ -2325,7 +2321,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
2328-
#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
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#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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pub fn fetch_byte_sub(&self, val: usize, order: Ordering) -> *mut T {
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// SAFETY: data races are prevented by atomic intrinsics.
@@ -2361,7 +2357,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
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///
23632359
/// ```
2364-
/// #![feature(strict_provenance_atomic_ptr)]
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/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
23672362
/// let pointer = &mut 3i64 as *mut i64;
@@ -2376,7 +2371,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
2379-
#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
2374+
#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
23802375
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
23812376
pub fn fetch_or(&self, val: usize, order: Ordering) -> *mut T {
23822377
// SAFETY: data races are prevented by atomic intrinsics.
@@ -2412,7 +2407,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
24132408
///
24142409
/// ```
2415-
/// #![feature(strict_provenance_atomic_ptr)]
24162410
/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
24182412
/// let pointer = &mut 3i64 as *mut i64;
@@ -2426,7 +2420,7 @@ impl<T> AtomicPtr<T> {
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/// ```
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#[inline]
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#[cfg(target_has_atomic = "ptr")]
2429-
#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
2423+
#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
24302424
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
24312425
pub fn fetch_and(&self, val: usize, order: Ordering) -> *mut T {
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// SAFETY: data races are prevented by atomic intrinsics.
@@ -2462,7 +2456,6 @@ impl<T> AtomicPtr<T> {
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/// # Examples
24632457
///
24642458
/// ```
2465-
/// #![feature(strict_provenance_atomic_ptr)]
24662459
/// use core::sync::atomic::{AtomicPtr, Ordering};
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///
24682461
/// let pointer = &mut 3i64 as *mut i64;
@@ -2474,7 +2467,7 @@ impl<T> AtomicPtr<T> {
24742467
/// ```
24752468
#[inline]
24762469
#[cfg(target_has_atomic = "ptr")]
2477-
#[unstable(feature = "strict_provenance_atomic_ptr", issue = "99108")]
2470+
#[stable(feature = "strict_provenance_atomic_ptr", since = "CURRENT_RUSTC_VERSION")]
24782471
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
24792472
pub fn fetch_xor(&self, val: usize, order: Ordering) -> *mut T {
24802473
// SAFETY: data races are prevented by atomic intrinsics.

‎library/coretests/tests/lib.rs

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@@ -95,7 +95,6 @@
9595
#![feature(std_internals)]
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#![feature(step_trait)]
9797
#![feature(str_internals)]
98-
#![feature(strict_provenance_atomic_ptr)]
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#![feature(strict_provenance_lints)]
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#![feature(test)]
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#![feature(trusted_len)]

‎library/std/src/lib.rs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -371,7 +371,6 @@
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#![feature(slice_range)]
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#![feature(std_internals)]
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#![feature(str_internals)]
374-
#![feature(strict_provenance_atomic_ptr)]
375374
#![feature(sync_unsafe_cell)]
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#![feature(temporary_niche_types)]
377376
#![feature(ub_checks)]

‎src/tools/miri/tests/pass/atomic.rs

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Original file line numberDiff line numberDiff line change
@@ -2,7 +2,6 @@
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//@[tree]compile-flags: -Zmiri-tree-borrows
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//@compile-flags: -Zmiri-strict-provenance
44

5-
#![feature(strict_provenance_atomic_ptr)]
65
// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
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#![allow(static_mut_refs)]
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‎tests/codegen-llvm/atomicptr.rs

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Original file line numberDiff line numberDiff line change
@@ -6,7 +6,6 @@
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77
//@ compile-flags: -Copt-level=3 -Cno-prepopulate-passes
88
#![crate_type = "lib"]
9-
#![feature(strict_provenance_atomic_ptr)]
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use std::ptr::without_provenance_mut;
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use std::sync::atomic::AtomicPtr;

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