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constify with_exposed_provenance #144539

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Jul 29, 2025
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constify with_exposed_provenance #144539

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6 changes: 4 additions & 2 deletions library/core/src/ptr/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -974,9 +974,10 @@ pub const fn dangling_mut<T>() -> *mut T {
#[must_use]
#[inline(always)]
#[stable(feature = "exposed_provenance", since = "1.84.0")]
#[rustc_const_unstable(feature = "const_exposed_provenance", issue = "144538")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
#[allow(fuzzy_provenance_casts)] // this *is* the explicit provenance API one should use instead
pub fn with_exposed_provenance<T>(addr: usize) -> *const T {
pub const fn with_exposed_provenance<T>(addr: usize) -> *const T {
addr as *const T
}

Expand Down Expand Up @@ -1014,9 +1015,10 @@ pub fn with_exposed_provenance<T>(addr: usize) -> *const T {
#[must_use]
#[inline(always)]
#[stable(feature = "exposed_provenance", since = "1.84.0")]
#[rustc_const_unstable(feature = "const_exposed_provenance", issue = "144538")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
#[allow(fuzzy_provenance_casts)] // this *is* the explicit provenance API one should use instead
pub fn with_exposed_provenance_mut<T>(addr: usize) -> *mut T {
pub const fn with_exposed_provenance_mut<T>(addr: usize) -> *mut T {
addr as *mut T
}

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