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saethlinsaethlin
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Add some track_caller info to precondition panics
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-208
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74 files changed

+141
-208
lines changed

‎library/core/src/alloc/layout.rs

+1
Original file line numberDiff line numberDiff line change
@@ -126,6 +126,7 @@ impl Layout {
126126
#[rustc_const_stable(feature = "const_alloc_layout_unchecked", since = "1.36.0")]
127127
#[must_use]
128128
#[inline]
129+
#[track_caller]
129130
pub const unsafe fn from_size_align_unchecked(size: usize, align: usize) -> Self {
130131
assert_unsafe_precondition!(
131132
check_library_ub,

‎library/core/src/ascii/ascii_char.rs

+1
Original file line numberDiff line numberDiff line change
@@ -503,6 +503,7 @@ impl AsciiChar {
503503
/// something useful. It might be tightened before stabilization.)
504504
#[unstable(feature = "ascii_char", issue = "110998")]
505505
#[inline]
506+
#[track_caller]
506507
pub const unsafe fn digit_unchecked(d: u8) -> Self {
507508
assert_unsafe_precondition!(
508509
check_language_ub,

‎library/core/src/char/convert.rs

+1
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@ pub(super) const fn from_u32(i: u32) -> Option<char> {
2222
#[inline]
2323
#[must_use]
2424
#[cfg_attr(not(bootstrap), allow(unnecessary_transmutes))]
25+
#[track_caller]
2526
pub(super) const unsafe fn from_u32_unchecked(i: u32) -> char {
2627
// SAFETY: the caller must guarantee that `i` is a valid char value.
2728
unsafe {

‎library/core/src/hint.rs

+1-1
Original file line numberDiff line numberDiff line change
@@ -98,7 +98,7 @@ use crate::{intrinsics, ub_checks};
9898
#[inline]
9999
#[stable(feature = "unreachable", since = "1.27.0")]
100100
#[rustc_const_stable(feature = "const_unreachable_unchecked", since = "1.57.0")]
101-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
101+
#[track_caller]
102102
pub const unsafe fn unreachable_unchecked() -> ! {
103103
ub_checks::assert_unsafe_precondition!(
104104
check_language_ub,

‎library/core/src/intrinsics/mod.rs

+4-4
Original file line numberDiff line numberDiff line change
@@ -2656,7 +2656,7 @@ pub const fn three_way_compare<T: Copy>(lhs: T, rhss: T) -> crate::cmp::Ordering
26562656
#[rustc_const_unstable(feature = "disjoint_bitor", issue = "135758")]
26572657
#[rustc_nounwind]
26582658
#[rustc_intrinsic]
2659-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
2659+
#[track_caller]
26602660
#[miri::intrinsic_fallback_is_spec] // the fallbacks all `assume` to tell Miri
26612661
pub const unsafe fn disjoint_bitor<T: ~const fallback::DisjointBitOr>(a: T, b: T) -> T {
26622662
// SAFETY: same preconditions as this function.
@@ -3723,7 +3723,7 @@ pub const fn ptr_metadata<P: ptr::Pointee<Metadata = M> + ?Sized, M>(ptr: *const
37233723
#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
37243724
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
37253725
#[inline(always)]
3726-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
3726+
#[track_caller]
37273727
#[rustc_diagnostic_item = "ptr_copy_nonoverlapping"]
37283728
pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) {
37293729
#[rustc_intrinsic_const_stable_indirect]
@@ -3826,7 +3826,7 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us
38263826
#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
38273827
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
38283828
#[inline(always)]
3829-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
3829+
#[track_caller]
38303830
#[rustc_diagnostic_item = "ptr_copy"]
38313831
pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
38323832
#[rustc_intrinsic_const_stable_indirect]
@@ -3906,7 +3906,7 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) {
39063906
#[rustc_allowed_through_unstable_modules = "import this function via `std::ptr` instead"]
39073907
#[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
39083908
#[inline(always)]
3909-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
3909+
#[track_caller]
39103910
#[rustc_diagnostic_item = "ptr_write_bytes"]
39113911
pub const unsafe fn write_bytes<T>(dst: *mut T, val: u8, count: usize) {
39123912
#[rustc_intrinsic_const_stable_indirect]

‎library/core/src/num/int_macros.rs

+6-6
Original file line numberDiff line numberDiff line change
@@ -555,7 +555,7 @@ macro_rules! int_impl {
555555
#[must_use = "this returns the result of the operation, \
556556
without modifying the original"]
557557
#[inline(always)]
558-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
558+
#[track_caller]
559559
pub const unsafe fn unchecked_add(self, rhs: Self) -> Self {
560560
assert_unsafe_precondition!(
561561
check_language_ub,
@@ -705,7 +705,7 @@ macro_rules! int_impl {
705705
#[must_use = "this returns the result of the operation, \
706706
without modifying the original"]
707707
#[inline(always)]
708-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
708+
#[track_caller]
709709
pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self {
710710
assert_unsafe_precondition!(
711711
check_language_ub,
@@ -855,7 +855,7 @@ macro_rules! int_impl {
855855
#[must_use = "this returns the result of the operation, \
856856
without modifying the original"]
857857
#[inline(always)]
858-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
858+
#[track_caller]
859859
pub const unsafe fn unchecked_mul(self, rhs: Self) -> Self {
860860
assert_unsafe_precondition!(
861861
check_language_ub,
@@ -1199,7 +1199,7 @@ macro_rules! int_impl {
11991199
#[must_use = "this returns the result of the operation, \
12001200
without modifying the original"]
12011201
#[inline(always)]
1202-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1202+
#[track_caller]
12031203
pub const unsafe fn unchecked_neg(self) -> Self {
12041204
assert_unsafe_precondition!(
12051205
check_language_ub,
@@ -1327,7 +1327,7 @@ macro_rules! int_impl {
13271327
#[must_use = "this returns the result of the operation, \
13281328
without modifying the original"]
13291329
#[inline(always)]
1330-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1330+
#[track_caller]
13311331
pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self {
13321332
assert_unsafe_precondition!(
13331333
check_language_ub,
@@ -1448,7 +1448,7 @@ macro_rules! int_impl {
14481448
#[must_use = "this returns the result of the operation, \
14491449
without modifying the original"]
14501450
#[inline(always)]
1451-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1451+
#[track_caller]
14521452
pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self {
14531453
assert_unsafe_precondition!(
14541454
check_language_ub,

‎library/core/src/num/nonzero.rs

+2
Original file line numberDiff line numberDiff line change
@@ -388,6 +388,7 @@ where
388388
#[rustc_const_stable(feature = "nonzero", since = "1.28.0")]
389389
#[must_use]
390390
#[inline]
391+
#[track_caller]
391392
pub const unsafe fn new_unchecked(n: T) -> Self {
392393
match Self::new(n) {
393394
Some(n) => n,
@@ -428,6 +429,7 @@ where
428429
#[unstable(feature = "nonzero_from_mut", issue = "106290")]
429430
#[must_use]
430431
#[inline]
432+
#[track_caller]
431433
pub unsafe fn from_mut_unchecked(n: &mut T) -> &mut Self {
432434
match Self::from_mut(n) {
433435
Some(n) => n,

‎library/core/src/num/uint_macros.rs

+5-5
Original file line numberDiff line numberDiff line change
@@ -601,7 +601,7 @@ macro_rules! uint_impl {
601601
#[must_use = "this returns the result of the operation, \
602602
without modifying the original"]
603603
#[inline(always)]
604-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
604+
#[track_caller]
605605
pub const unsafe fn unchecked_add(self, rhs: Self) -> Self {
606606
assert_unsafe_precondition!(
607607
check_language_ub,
@@ -791,7 +791,7 @@ macro_rules! uint_impl {
791791
#[must_use = "this returns the result of the operation, \
792792
without modifying the original"]
793793
#[inline(always)]
794-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
794+
#[track_caller]
795795
pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self {
796796
assert_unsafe_precondition!(
797797
check_language_ub,
@@ -974,7 +974,7 @@ macro_rules! uint_impl {
974974
#[must_use = "this returns the result of the operation, \
975975
without modifying the original"]
976976
#[inline(always)]
977-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
977+
#[track_caller]
978978
pub const unsafe fn unchecked_mul(self, rhs: Self) -> Self {
979979
assert_unsafe_precondition!(
980980
check_language_ub,
@@ -1588,7 +1588,7 @@ macro_rules! uint_impl {
15881588
#[must_use = "this returns the result of the operation, \
15891589
without modifying the original"]
15901590
#[inline(always)]
1591-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1591+
#[track_caller]
15921592
pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self {
15931593
assert_unsafe_precondition!(
15941594
check_language_ub,
@@ -1709,7 +1709,7 @@ macro_rules! uint_impl {
17091709
#[must_use = "this returns the result of the operation, \
17101710
without modifying the original"]
17111711
#[inline(always)]
1712-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1712+
#[track_caller]
17131713
pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self {
17141714
assert_unsafe_precondition!(
17151715
check_language_ub,

‎library/core/src/ops/index_range.rs

+1
Original file line numberDiff line numberDiff line change
@@ -19,6 +19,7 @@ impl IndexRange {
1919
/// # Safety
2020
/// - `start <= end`
2121
#[inline]
22+
#[track_caller]
2223
pub(crate) const unsafe fn new_unchecked(start: usize, end: usize) -> Self {
2324
ub_checks::assert_unsafe_precondition!(
2425
check_library_ub,

‎library/core/src/ptr/alignment.rs

+1
Original file line numberDiff line numberDiff line change
@@ -73,6 +73,7 @@ impl Alignment {
7373
/// It must *not* be zero.
7474
#[unstable(feature = "ptr_alignment_type", issue = "102070")]
7575
#[inline]
76+
#[track_caller]
7677
pub const unsafe fn new_unchecked(align: usize) -> Self {
7778
assert_unsafe_precondition!(
7879
check_language_ub,

‎library/core/src/ptr/const_ptr.rs

+13-13
Original file line numberDiff line numberDiff line change
@@ -416,7 +416,7 @@ impl<T: ?Sized> *const T {
416416
#[must_use = "returns a new pointer rather than modifying its argument"]
417417
#[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")]
418418
#[inline(always)]
419-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
419+
#[track_caller]
420420
pub const unsafe fn offset(self, count: isize) -> *const T
421421
where
422422
T: Sized,
@@ -469,7 +469,7 @@ impl<T: ?Sized> *const T {
469469
#[inline(always)]
470470
#[stable(feature = "pointer_byte_offsets", since = "1.75.0")]
471471
#[rustc_const_stable(feature = "const_pointer_byte_offsets", since = "1.75.0")]
472-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
472+
#[track_caller]
473473
pub const unsafe fn byte_offset(self, count: isize) -> Self {
474474
// SAFETY: the caller must uphold the safety contract for `offset`.
475475
unsafe { self.cast::<u8>().offset(count).with_metadata_of(self) }
@@ -767,7 +767,7 @@ impl<T: ?Sized> *const T {
767767
#[stable(feature = "ptr_sub_ptr", since = "1.87.0")]
768768
#[rustc_const_stable(feature = "const_ptr_sub_ptr", since = "1.87.0")]
769769
#[inline]
770-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
770+
#[track_caller]
771771
pub const unsafe fn offset_from_unsigned(self, origin: *const T) -> usize
772772
where
773773
T: Sized,
@@ -812,7 +812,7 @@ impl<T: ?Sized> *const T {
812812
#[stable(feature = "ptr_sub_ptr", since = "1.87.0")]
813813
#[rustc_const_stable(feature = "const_ptr_sub_ptr", since = "1.87.0")]
814814
#[inline]
815-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
815+
#[track_caller]
816816
pub const unsafe fn byte_offset_from_unsigned<U: ?Sized>(self, origin: *const U) -> usize {
817817
// SAFETY: the caller must uphold the safety contract for `sub_ptr`.
818818
unsafe { self.cast::<u8>().offset_from_unsigned(origin.cast::<u8>()) }
@@ -926,7 +926,7 @@ impl<T: ?Sized> *const T {
926926
#[must_use = "returns a new pointer rather than modifying its argument"]
927927
#[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")]
928928
#[inline(always)]
929-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
929+
#[track_caller]
930930
pub const unsafe fn add(self, count: usize) -> Self
931931
where
932932
T: Sized,
@@ -978,7 +978,7 @@ impl<T: ?Sized> *const T {
978978
#[inline(always)]
979979
#[stable(feature = "pointer_byte_offsets", since = "1.75.0")]
980980
#[rustc_const_stable(feature = "const_pointer_byte_offsets", since = "1.75.0")]
981-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
981+
#[track_caller]
982982
pub const unsafe fn byte_add(self, count: usize) -> Self {
983983
// SAFETY: the caller must uphold the safety contract for `add`.
984984
unsafe { self.cast::<u8>().add(count).with_metadata_of(self) }
@@ -1032,7 +1032,7 @@ impl<T: ?Sized> *const T {
10321032
#[must_use = "returns a new pointer rather than modifying its argument"]
10331033
#[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")]
10341034
#[inline(always)]
1035-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1035+
#[track_caller]
10361036
pub const unsafe fn sub(self, count: usize) -> Self
10371037
where
10381038
T: Sized,
@@ -1090,7 +1090,7 @@ impl<T: ?Sized> *const T {
10901090
#[inline(always)]
10911091
#[stable(feature = "pointer_byte_offsets", since = "1.75.0")]
10921092
#[rustc_const_stable(feature = "const_pointer_byte_offsets", since = "1.75.0")]
1093-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1093+
#[track_caller]
10941094
pub const unsafe fn byte_sub(self, count: usize) -> Self {
10951095
// SAFETY: the caller must uphold the safety contract for `sub`.
10961096
unsafe { self.cast::<u8>().sub(count).with_metadata_of(self) }
@@ -1263,7 +1263,7 @@ impl<T: ?Sized> *const T {
12631263
#[stable(feature = "pointer_methods", since = "1.26.0")]
12641264
#[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
12651265
#[inline]
1266-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1266+
#[track_caller]
12671267
pub const unsafe fn read(self) -> T
12681268
where
12691269
T: Sized,
@@ -1284,7 +1284,7 @@ impl<T: ?Sized> *const T {
12841284
/// [`ptr::read_volatile`]: crate::ptr::read_volatile()
12851285
#[stable(feature = "pointer_methods", since = "1.26.0")]
12861286
#[inline]
1287-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1287+
#[track_caller]
12881288
pub unsafe fn read_volatile(self) -> T
12891289
where
12901290
T: Sized,
@@ -1304,7 +1304,7 @@ impl<T: ?Sized> *const T {
13041304
#[stable(feature = "pointer_methods", since = "1.26.0")]
13051305
#[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
13061306
#[inline]
1307-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1307+
#[track_caller]
13081308
pub const unsafe fn read_unaligned(self) -> T
13091309
where
13101310
T: Sized,
@@ -1324,7 +1324,7 @@ impl<T: ?Sized> *const T {
13241324
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
13251325
#[stable(feature = "pointer_methods", since = "1.26.0")]
13261326
#[inline]
1327-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1327+
#[track_caller]
13281328
pub const unsafe fn copy_to(self, dest: *mut T, count: usize)
13291329
where
13301330
T: Sized,
@@ -1344,7 +1344,7 @@ impl<T: ?Sized> *const T {
13441344
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.83.0")]
13451345
#[stable(feature = "pointer_methods", since = "1.26.0")]
13461346
#[inline]
1347-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1347+
#[track_caller]
13481348
pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize)
13491349
where
13501350
T: Sized,

‎library/core/src/ptr/mod.rs

+8-6
Original file line numberDiff line numberDiff line change
@@ -1069,6 +1069,7 @@ pub const unsafe fn swap<T>(x: *mut T, y: *mut T) {
10691069
#[stable(feature = "swap_nonoverlapping", since = "1.27.0")]
10701070
#[rustc_const_unstable(feature = "const_swap_nonoverlapping", issue = "133668")]
10711071
#[rustc_diagnostic_item = "ptr_swap_nonoverlapping"]
1072+
#[track_caller]
10721073
pub const unsafe fn swap_nonoverlapping<T>(x: *mut T, y: *mut T, count: usize) {
10731074
ub_checks::assert_unsafe_precondition!(
10741075
check_library_ub,
@@ -1249,6 +1250,7 @@ unsafe fn swap_nonoverlapping_bytes(x: *mut u8, y: *mut u8, bytes: NonZero<usize
12491250
#[stable(feature = "rust1", since = "1.0.0")]
12501251
#[rustc_const_stable(feature = "const_replace", since = "1.83.0")]
12511252
#[rustc_diagnostic_item = "ptr_replace"]
1253+
#[track_caller]
12521254
pub const unsafe fn replace<T>(dst: *mut T, src: T) -> T {
12531255
// SAFETY: the caller must guarantee that `dst` is valid to be
12541256
// cast to a mutable reference (valid for writes, aligned, initialized),
@@ -1376,7 +1378,7 @@ pub const unsafe fn replace<T>(dst: *mut T, src: T) -> T {
13761378
#[inline]
13771379
#[stable(feature = "rust1", since = "1.0.0")]
13781380
#[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
1379-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1381+
#[track_caller]
13801382
#[rustc_diagnostic_item = "ptr_read"]
13811383
pub const unsafe fn read<T>(src: *const T) -> T {
13821384
// It would be semantically correct to implement this via `copy_nonoverlapping`
@@ -1494,7 +1496,7 @@ pub const unsafe fn read<T>(src: *const T) -> T {
14941496
#[inline]
14951497
#[stable(feature = "ptr_unaligned", since = "1.17.0")]
14961498
#[rustc_const_stable(feature = "const_ptr_read", since = "1.71.0")]
1497-
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
1499+
#[track_caller]
14981500
#[rustc_diagnostic_item = "ptr_read_unaligned"]
14991501
pub const unsafe fn read_unaligned<T>(src: *const T) -> T {
15001502
let mut tmp = MaybeUninit::<T>::uninit();
@@ -1593,7 +1595,7 @@ pub const unsafe fn read_unaligned<T>(src: *const T) -> T {
15931595
#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
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#[rustc_diagnostic_item = "ptr_write"]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[track_caller]
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pub const unsafe fn write<T>(dst: *mut T, src: T) {
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// Semantically, it would be fine for this to be implemented as a
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// `copy_nonoverlapping` and appropriate drop suppression of `src`.
@@ -1697,7 +1699,7 @@ pub const unsafe fn write<T>(dst: *mut T, src: T) {
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#[stable(feature = "ptr_unaligned", since = "1.17.0")]
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#[rustc_const_stable(feature = "const_ptr_write", since = "1.83.0")]
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#[rustc_diagnostic_item = "ptr_write_unaligned"]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[track_caller]
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pub const unsafe fn write_unaligned<T>(dst: *mut T, src: T) {
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// SAFETY: the caller must guarantee that `dst` is valid for writes.
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// `dst` cannot overlap `src` because the caller has mutable access
@@ -1771,7 +1773,7 @@ pub const unsafe fn write_unaligned<T>(dst: *mut T, src: T) {
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/// ```
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#[inline]
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#[stable(feature = "volatile", since = "1.9.0")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[track_caller]
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#[rustc_diagnostic_item = "ptr_read_volatile"]
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pub unsafe fn read_volatile<T>(src: *const T) -> T {
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// SAFETY: the caller must uphold the safety contract for `volatile_load`.
@@ -1852,7 +1854,7 @@ pub unsafe fn read_volatile<T>(src: *const T) -> T {
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#[inline]
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#[stable(feature = "volatile", since = "1.9.0")]
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#[rustc_diagnostic_item = "ptr_write_volatile"]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[track_caller]
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pub unsafe fn write_volatile<T>(dst: *mut T, src: T) {
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// SAFETY: the caller must uphold the safety contract for `volatile_store`.
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unsafe {

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