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Remove some unnecessary rustc_allow_const_fn_unstable attributes.

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This commit is contained in:
Nicholas Nethercote 2022-05-13 16:01:18 +10:00
parent 08b4f1be33
commit fd01fbc058
6 changed files with 0 additions and 10 deletions
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1
library/alloc/src/raw_vec.rs
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@ -118,7 +118,6 @@ impl<T, A: Allocator> RawVec<T, A> {
/// Like `new`, but parameterized over the choice of allocator for
/// the returned `RawVec`.
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn new_in(alloc: A) -> Self {
// `cap: 0` means "unallocated". zero-sized types are ignored.
Self { ptr: Unique::dangling(), cap: 0, alloc }

1
library/core/src/num/nonzero.rs
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@ -52,7 +52,6 @@ impl $Ty {
#[$const_new_unchecked_stability]
#[must_use]
#[inline]
#[rustc_allow_const_fn_unstable(const_fn_fn_ptr_basics)] // required by assert_unsafe_precondition
pub const unsafe fn new_unchecked(n: $Int) -> Self {
// SAFETY: this is guaranteed to be safe by the caller.
unsafe {

1
library/core/src/option.rs
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@ -1486,7 +1486,6 @@ pub const fn get_or_insert_default(&mut self) -> &mut T
where
T: ~const Default,
{
#[rustc_allow_const_fn_unstable(const_fn_trait_bound)]
const fn default<T: ~const Default>() -> T {
T::default()
}

1
library/core/src/task/wake.rs
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@ -147,7 +147,6 @@ impl RawWakerVTable {
#[rustc_promotable]
#[stable(feature = "futures_api", since = "1.36.0")]
#[rustc_const_stable(feature = "futures_api", since = "1.36.0")]
#[rustc_allow_const_fn_unstable(const_fn_fn_ptr_basics)]
pub const fn new(
clone: unsafe fn(*const ()) -> RawWaker,
wake: unsafe fn(*const ()),

5
library/proc_macro/src/bridge/client.rs
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@ -416,7 +416,6 @@ fn run_client<A: for<'a, 's> DecodeMut<'a, 's, ()>, R: Encode<()>>(
}
impl Client<fn(crate::TokenStream) -> crate::TokenStream> {
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn expand1(f: fn(crate::TokenStream) -> crate::TokenStream) -> Self {
extern "C" fn run(
bridge: Bridge<'_>,
@ -429,7 +428,6 @@ extern "C" fn run(
}
impl Client<fn(crate::TokenStream, crate::TokenStream) -> crate::TokenStream> {
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn expand2(
f: fn(crate::TokenStream, crate::TokenStream) -> crate::TokenStream,
) -> Self {
@ -474,7 +472,6 @@ pub fn name(&self) -> &'static str {
}
}
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn custom_derive(
trait_name: &'static str,
attributes: &'static [&'static str],
@ -483,7 +480,6 @@ pub const fn custom_derive(
ProcMacro::CustomDerive { trait_name, attributes, client: Client::expand1(expand) }
}
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn attr(
name: &'static str,
expand: fn(crate::TokenStream, crate::TokenStream) -> crate::TokenStream,
@ -491,7 +487,6 @@ pub const fn attr(
ProcMacro::Attr { name, client: Client::expand2(expand) }
}
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn bang(
name: &'static str,
expand: fn(crate::TokenStream) -> crate::TokenStream,

1
library/proc_macro/src/bridge/scoped_cell.rs
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@ -35,7 +35,6 @@ fn deref_mut(&mut self) -> &mut Self::Target {
pub struct ScopedCell<T: LambdaL>(Cell<<T as ApplyL<'static>>::Out>);
impl<T: LambdaL> ScopedCell<T> {
#[rustc_allow_const_fn_unstable(const_fn)]
pub const fn new(value: <T as ApplyL<'static>>::Out) -> Self {
ScopedCell(Cell::new(value))
}