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Auto merge of #116233 - DaniPopes:stabilize-const_maybe_uninit_assume_init_read, r=dtolnay

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Stabilize `const_maybe_uninit_assume_init_read`

AFAICT the only reason this was not included in the `maybe_uninit_extra` stabilization was because `ptr::read` was unstable (https://github.com/rust-lang/rust/pull/92768#issuecomment-1011101383), which has since been stabilized in 1.71.

Needs a separate FCP from the [original `maybe_uninit_extra` one](https://github.com/rust-lang/rust/issues/63567#issuecomment-964428807).

Tracking issue: #63567
This commit is contained in:
bors 2023-10-13 17:11:03 +00:00
commit 57ef889852
2 changed files with 4 additions and 2 deletions
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5
library/core/src/mem/maybe_uninit.rs
View File

@ -686,7 +686,10 @@ impl<T> MaybeUninit<T> {
/// // they both get dropped!
/// ```
#[stable(feature = "maybe_uninit_extra", since = "1.60.0")]
#[rustc_const_unstable(feature = "const_maybe_uninit_assume_init_read", issue = "63567")]
#[rustc_const_stable(
feature = "const_maybe_uninit_assume_init_read",
since = "CURRENT_RUSTC_VERSION"
)]
#[inline(always)]
#[track_caller]
pub const unsafe fn assume_init_read(&self) -> T {

1
library/core/tests/lib.rs
View File

@ -15,7 +15,6 @@
#![feature(const_hash)]
#![feature(const_heap)]
#![feature(const_maybe_uninit_as_mut_ptr)]
#![feature(const_maybe_uninit_assume_init_read)]
#![feature(const_nonnull_new)]
#![feature(const_pointer_byte_offsets)]
#![feature(const_pointer_is_aligned)]