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Fix a layout miscalculation in alloc::RawVec

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This commit is contained in:
Benoît du Garreau 2021-03-31 17:04:14 +02:00
parent 9cdefd763b
commit 6027182328
1 changed files with 1 additions and 3 deletions
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4
library/alloc/src/raw_vec.rs
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@ -244,9 +244,7 @@ impl<T, A: Allocator> RawVec<T, A> {
// We have an allocated chunk of memory, so we can bypass runtime
// checks to get our current layout.
unsafe {
let align = mem::align_of::<T>();
let size = mem::size_of::<T>() * self.cap;
let layout = Layout::from_size_align_unchecked(size, align);
let layout = Layout::array::<T>(self.cap).unwrap_unchecked();
Some((self.ptr.cast().into(), layout))
}
}