bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

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

Browse source 
...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
Download patch file Download diff file Expand all files Collapse all files

3
compiler/rustc_arena/src/lib.rs
View file

@ -16,6 +16,7 @@
#![feature(maybe_uninit_slice)]
#![feature(min_specialization)]
#![feature(decl_macro)]
#![feature(pointer_byte_offsets)]
#![feature(rustc_attrs)]
#![cfg_attr(test, feature(test))]
#![feature(strict_provenance)]
@ -211,7 +212,7 @@ impl<T> TypedArena<T> {
unsafe {
if mem::size_of::<T>() == 0 {
self.ptr.set((self.ptr.get() as *mut u8).wrapping_offset(1) as *mut T);
self.ptr.set(self.ptr.get().wrapping_byte_add(1));
let ptr = ptr::NonNull::<T>::dangling().as_ptr();
// Don't drop the object. This `write` is equivalent to `forget`.
ptr::write(ptr, object);