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Rollup merge of #100501 - RalfJung:miri-from-exposed-addr, r=Mark-Simulacrum

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nicer Miri backtraces for from_exposed_addr

Miri by default warns about using from_exposed_addr; this makes the span for that a bit nicer.
This commit is contained in:
Michael Goulet
2022-08-13 14:10:14 -07:00
committed by GitHub
parent aafaec38bb 2dc9bf0fa0
commit f8bdd9c680
1 changed files with 2 additions and 0 deletions
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library/core/src/ptr/mod.rs
+2
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@@ -603,6 +603,7 @@ pub const fn invalid_mut<T>(addr: usize) -> *mut T {
#[must_use]
#[inline]
#[unstable(feature = "strict_provenance", issue = "95228")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub fn from_exposed_addr<T>(addr: usize) -> *const T
where
T: Sized,
@@ -639,6 +640,7 @@ pub fn from_exposed_addr<T>(addr: usize) -> *const T
#[must_use]
#[inline]
#[unstable(feature = "strict_provenance", issue = "95228")]
#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
pub fn from_exposed_addr_mut<T>(addr: usize) -> *mut T
where
T: Sized,