bjoernager/rust
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Make use of [wrapping_]byte_{add,sub}

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...replacing `.cast().wrapping_offset().cast()` & similar code.
This commit is contained in:
Maybe Waffle 2022-08-19 13:20:22 +04:00
parent 1cff564203
commit 53565b23ac
10 changed files with 17 additions and 18 deletions
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4
library/alloc/src/vec/mod.rs
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@ -59,7 +59,7 @@ use core::cmp::Ordering;
use core::convert::TryFrom;
use core::fmt;
use core::hash::{Hash, Hasher};
use core::intrinsics::{arith_offset, assume};
use core::intrinsics::assume;
use core::iter;
#[cfg(not(no_global_oom_handling))]
use core::iter::FromIterator;
@ -2678,7 +2678,7 @@ impl<T, A: Allocator> IntoIterator for Vec<T, A> {
let alloc = ManuallyDrop::new(ptr::read(me.allocator()));
let begin = me.as_mut_ptr();
let end = if mem::size_of::<T>() == 0 {
arith_offset(begin as *const i8, me.len() as isize) as *const T
begin.wrapping_byte_add(me.len())
} else {
begin.add(me.len()) as *const T
};