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mark is_val_statically_known intrinsic as stably const-callable

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This commit is contained in:
Ralf Jung 2024-11-01 10:39:29 +01:00
parent 78bb5ee79e
commit 7651fc6edc
5 changed files with 6 additions and 10 deletions
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9
library/core/src/intrinsics/mod.rs
View File

@ -3016,7 +3016,6 @@ pub(crate) macro const_eval_select {
/// In other words, the following code has *Undefined Behavior*:
///
/// ```no_run
/// #![feature(is_val_statically_known)]
/// #![feature(core_intrinsics)]
/// # #![allow(internal_features)]
/// use std::hint::unreachable_unchecked;
@ -3029,7 +3028,6 @@ pub(crate) macro const_eval_select {
/// may panic, or it may not:
///
/// ```no_run
/// #![feature(is_val_statically_known)]
/// #![feature(core_intrinsics)]
/// # #![allow(internal_features)]
/// use std::intrinsics::is_val_statically_known;
@ -3062,7 +3060,6 @@ pub(crate) macro const_eval_select {
/// behave identically:
///
/// ```
/// #![feature(is_val_statically_known)]
/// #![feature(core_intrinsics)]
/// # #![allow(internal_features)]
/// use std::intrinsics::is_val_statically_known;
@ -3079,7 +3076,11 @@ pub(crate) macro const_eval_select {
/// # _ = foo(&5_i32);
/// # _ = bar(&5_i32);
/// ```
#[rustc_const_unstable(feature = "is_val_statically_known", issue = "none")]
#[cfg_attr(
bootstrap,
rustc_const_stable(feature = "const_is_val_statically_known", since = "CURRENT_RUSTC_VERSION")
)]
#[cfg_attr(not(bootstrap), rustc_const_stable_indirect)]
#[rustc_nounwind]
#[unstable(feature = "core_intrinsics", issue = "none")]
#[rustc_intrinsic]

1
library/core/src/lib.rs
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@ -141,7 +141,6 @@
#![feature(internal_impls_macro)]
#![feature(ip)]
#![feature(is_ascii_octdigit)]
#![feature(is_val_statically_known)]
#![feature(lazy_get)]
#![feature(link_cfg)]
#![feature(non_null_from_ref)]

2
library/core/src/num/int_macros.rs
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@ -2242,7 +2242,6 @@ macro_rules! int_impl {
#[must_use = "this returns the result of the operation, \
without modifying the original"]
#[inline]
#[rustc_allow_const_fn_unstable(is_val_statically_known)]
pub const fn wrapping_pow(self, mut exp: u32) -> Self {
if exp == 0 {
return 1;
@ -2808,7 +2807,6 @@ macro_rules! int_impl {
without modifying the original"]
#[inline]
#[rustc_inherit_overflow_checks]
#[rustc_allow_const_fn_unstable(is_val_statically_known)]
pub const fn pow(self, mut exp: u32) -> Self {
if exp == 0 {
return 1;

2
library/core/src/num/uint_macros.rs
View File

@ -2174,7 +2174,6 @@ macro_rules! uint_impl {
#[must_use = "this returns the result of the operation, \
without modifying the original"]
#[inline]
#[rustc_allow_const_fn_unstable(is_val_statically_known)]
pub const fn wrapping_pow(self, mut exp: u32) -> Self {
if exp == 0 {
return 1;
@ -2688,7 +2687,6 @@ macro_rules! uint_impl {
without modifying the original"]
#[inline]
#[rustc_inherit_overflow_checks]
#[rustc_allow_const_fn_unstable(is_val_statically_known)]
pub const fn pow(self, mut exp: u32) -> Self {
if exp == 0 {
return 1;

2
tests/ui/consts/is_val_statically_known.rs
View File

@ -1,6 +1,6 @@
//@ run-pass
#![feature(core_intrinsics, is_val_statically_known)]
#![feature(core_intrinsics)]
use std::intrinsics::is_val_statically_known;