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Rune Tynan 2023-03-01 20:27:03 -05:00
parent 3a87a18857
commit f26b0a2948
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1 changed files with 2 additions and 8 deletions
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10
compiler/rustc_middle/src/mir/interpret/allocation.rs
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@ -42,10 +42,7 @@ pub trait AllocBytes:
/// Create a zeroed `AllocBytes` of the specified size and alignment; /// Create a zeroed `AllocBytes` of the specified size and alignment;
/// call the callback error handler if there is an error in allocating the memory. /// call the callback error handler if there is an error in allocating the memory.
fn zeroed( fn zeroed(size: Size, _align: Align) -> Option<Self>;
size: Size,
_align: Align,
) -> Option<Self>;
} }
// Default `bytes` for `Allocation` is a `Box<[u8]>`. // Default `bytes` for `Allocation` is a `Box<[u8]>`.
@ -58,10 +55,7 @@ impl AllocBytes for Box<[u8]> {
Box::<[u8]>::from(slice.into()) Box::<[u8]>::from(slice.into())
} }
fn zeroed( fn zeroed(size: Size, _align: Align) -> Option<Self> {
size: Size,
_align: Align,
) -> Option<Self> {
let bytes = Box::<[u8]>::try_new_zeroed_slice(size.bytes_usize()).ok()?; let bytes = Box::<[u8]>::try_new_zeroed_slice(size.bytes_usize()).ok()?;
// SAFETY: the box was zero-allocated, which is a valid initial value for Box<[u8]> // SAFETY: the box was zero-allocated, which is a valid initial value for Box<[u8]>
let bytes = unsafe { bytes.assume_init() }; let bytes = unsafe { bytes.assume_init() };