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avoid shared ref in UnsafeCell::get #56012

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merged 2 commits into from
Nov 19, 2018
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avoid shared ref in UnsafeCell::get #56012

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41434e0
avoid shared ref in UnsafeCell::get
RalfJung Nov 16, 2018
25d46f3
add comment explaining why what we do is legal
RalfJung Nov 17, 2018
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avoid shared ref in UnsafeCell::get
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@RalfJung
RalfJung committed Nov 16, 2018

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commit 41434e001be222a7ce70faf3c5a23d97f462dfb8
2 changes: 1 addition & 1 deletion src/libcore/cell.rs
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Original file line number Diff line number Diff line change
@@ -1509,7 +1509,7 @@ impl<T: ?Sized> UnsafeCell<T> {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
pub const fn get(&self) -> *mut T {
&self.value as *const T as *mut T
self as *const UnsafeCell<T> as *const T as *mut T
}
}